\u94bb\u5b54\u67f1\u72b6\u56fe\u5f00\u6e90\u5e93\u8be6\u89e3<\/span>Open-Source Libraries for Borehole Log Digitization<\/span><\/title>\n<style>\n:root {\n --bg: #f5faf7;\n --bg2: #eef6f1;\n --ink: #1a2e23;\n --muted: #5a7a6e;\n --rule: #c0d8cc;\n --accent: #059669;\n --accent2: #0d9488;\n --code-bg: #1e2d26;\n --code-fg: #d1fae5;\n}\n\n* { box-sizing: border-box; margin: 0; padding: 0; }\n\nhtml { scroll-behavior: smooth; }\n\nbody {\n font-family: \"Microsoft YaHei\", \"PingFang SC\", system-ui, -apple-system, sans-serif;\n background: var(--bg);\n color: var(--ink);\n line-height: 1.8;\n}\n\nbody.en-active { font-family: system-ui, -apple-system, sans-serif; }\n\n\/* Language Switcher Bar *\/\n.lang-bar {\n position: sticky;\n top: 0;\n z-index: 1000;\n background: var(--accent);\n display: flex;\n justify-content: center;\n gap: 1rem;\n padding: 0.6rem 1rem;\n box-shadow: 0 2px 8px rgba(0,0,0,0.15);\n}\n\n.lang-bar button {\n background: rgba(255,255,255,0.2);\n border: 2px solid transparent;\n color: #fff;\n padding: 0.4rem 1.2rem;\n border-radius: 4px;\n cursor: pointer;\n font-size: 0.95rem;\n font-weight: 600;\n transition: all 0.2s;\n}\n\n.lang-bar button:hover {\n background: rgba(255,255,255,0.35);\n}\n\n.lang-bar button.active {\n background: #fff;\n color: var(--accent);\n border-color: #fff;\n}\n\n\/* Container *\/\n.container {\n max-width: 1100px;\n margin: 0 auto;\n padding: 0 1.5rem;\n}\n\n\/* Cover *\/\n.cover {\n text-align: center;\n padding: 4rem 1rem 3rem;\n background: var(--bg2);\n border-bottom: 1px solid var(--rule);\n}\n\n.cover h1 {\n font-size: 2.2rem;\n color: var(--ink);\n margin-bottom: 0.8rem;\n font-weight: 700;\n}\n\n.cover .subtitle {\n font-size: 1.3rem;\n color: var(--accent);\n font-weight: 600;\n margin-bottom: 0.6rem;\n}\n\n.cover .desc {\n font-size: 1rem;\n color: var(--muted);\n}\n\n\/* TOC *\/\n.toc {\n background: #fff;\n border: 1px solid var(--rule);\n border-radius: 8px;\n padding: 1.5rem 2rem;\n margin: 2rem 0;\n}\n\n.toc h2 {\n font-size: 1.3rem;\n margin-bottom: 1rem;\n color: var(--accent);\n}\n\n.toc ol, .toc ul {\n padding-left: 1.5rem;\n}\n\n.toc li {\n margin: 0.4rem 0;\n}\n\n.toc a {\n color: var(--ink);\n text-decoration: none;\n transition: color 0.2s;\n}\n\n.toc a:hover {\n color: var(--accent);\n text-decoration: underline;\n}\n\n\/* Sections *\/\nsection {\n background: #fff;\n border: 1px solid var(--rule);\n border-radius: 8px;\n padding: 2rem 2.5rem;\n margin: 2rem 0;\n}\n\nsection h2 {\n font-size: 1.6rem;\n color: var(--accent);\n margin-bottom: 1.2rem;\n padding-bottom: 0.5rem;\n border-bottom: 2px solid var(--rule);\n}\n\nsection h3 {\n font-size: 1.25rem;\n color: var(--accent2);\n margin: 1.5rem 0 0.8rem;\n}\n\nsection h4 {\n font-size: 1.1rem;\n color: var(--ink);\n margin: 1.2rem 0 0.6rem;\n font-weight: 600;\n}\n\nsection p {\n margin-bottom: 0.9rem;\n text-align: justify;\n}\n\n\/* Tables *\/\ntable {\n width: 100%;\n border-collapse: collapse;\n margin: 1.2rem 0;\n font-size: 0.95rem;\n}\n\nth, td {\n border: 1px solid var(--rule);\n padding: 0.7rem 0.9rem;\n text-align: left;\n}\n\nth {\n background: var(--bg2);\n font-weight: 600;\n color: var(--ink);\n}\n\ntr:nth-child(even) { background: var(--bg); 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}\n .card-grid { grid-template-columns: 1fr; }\n table { font-size: 0.85rem; }\n th, td { padding: 0.5rem; }\n}\n\n\/* Language display control *\/\n[data-lang=\"en\"] { display: none; }\nhtml[lang=\"en\"] [data-lang=\"zh\"] { display: none; }\nhtml[lang=\"en\"] [data-lang=\"en\"] { display: inline; }\n\n\/* For block elements *\/\nh2 [data-lang=\"en\"], h3 [data-lang=\"en\"], h4 [data-lang=\"en\"], p [data-lang=\"en\"], li [data-lang=\"en\"], th [data-lang=\"en\"], td [data-lang=\"en\"], div [data-lang=\"en\"], strong [data-lang=\"en\"] {\n display: none;\n}\n\nhtml[lang=\"en\"] h2 [data-lang=\"zh\"], html[lang=\"en\"] h3 [data-lang=\"zh\"], html[lang=\"en\"] h4 [data-lang=\"zh\"], html[lang=\"en\"] p [data-lang=\"zh\"], html[lang=\"en\"] li [data-lang=\"zh\"], html[lang=\"en\"] th [data-lang=\"zh\"], html[lang=\"en\"] td [data-lang=\"zh\"], html[lang=\"en\"] div [data-lang=\"zh\"], html[lang=\"en\"] strong [data-lang=\"zh\"] {\n display: none;\n}\n\nhtml[lang=\"en\"] h2 [data-lang=\"en\"], html[lang=\"en\"] h3 [data-lang=\"en\"], html[lang=\"en\"] h4 [data-lang=\"en\"], html[lang=\"en\"] p [data-lang=\"en\"], html[lang=\"en\"] li [data-lang=\"en\"], html[lang=\"en\"] th [data-lang=\"en\"], html[lang=\"en\"] td [data-lang=\"en\"], html[lang=\"en\"] div [data-lang=\"en\"], html[lang=\"en\"] strong [data-lang=\"en\"] {\n display: inline;\n}\n\n\/* Inline fix for block-level multilingual wrappers *\/\n.toc h2 span, .cover h1 span, .cover .subtitle span, .cover .desc span, section h2 span, section h3 span, section h4 span, .card-header span {\n display: inline;\n}\n\nhtml[lang=\"en\"] .toc h2 [data-lang=\"zh\"], html[lang=\"en\"] .cover h1 [data-lang=\"zh\"], html[lang=\"en\"] .cover .subtitle [data-lang=\"zh\"], html[lang=\"en\"] .cover .desc [data-lang=\"zh\"], html[lang=\"en\"] section h2 [data-lang=\"zh\"], html[lang=\"en\"] section h3 [data-lang=\"zh\"], html[lang=\"en\"] section h4 [data-lang=\"zh\"], html[lang=\"en\"] .card-header [data-lang=\"zh\"] {\n display: none;\n}\n\nhtml[lang=\"en\"] .toc h2 [data-lang=\"en\"], html[lang=\"en\"] .cover h1 [data-lang=\"en\"], html[lang=\"en\"] .cover .subtitle [data-lang=\"en\"], html[lang=\"en\"] .cover .desc [data-lang=\"en\"], html[lang=\"en\"] section h2 [data-lang=\"en\"], html[lang=\"en\"] section h3 [data-lang=\"en\"], html[lang=\"en\"] section h4 [data-lang=\"en\"], html[lang=\"en\"] .card-header [data-lang=\"en\"] {\n display: inline;\n}\n\n\/* Status badges *\/\n.status-badge {\n display: inline-block;\n padding: 0.2em 0.6em;\n border-radius: 4px;\n font-size: 0.75rem;\n font-weight: 600;\n margin-left: 0.5rem;\n}\n\n.status-active { background: #d1fae5; color: #065f46; }\n.status-beta { background: #fef3c7; color: #92400e; }\n.status-legacy { background: #fee2e2; color: #991b1b; }\n\n\/* Method tag *\/\n.method-tag {\n display: inline-block;\n background: var(--bg2);\n border: 1px solid var(--rule);\n padding: 0.15rem 0.5rem;\n border-radius: 4px;\n font-size: 0.8rem;\n color: var(--accent);\n margin-right: 0.4rem;\n margin-bottom: 0.3rem;\n}\n\n\/* Feature list *\/\n.feature-list {\n list-style: none;\n padding-left: 0;\n}\n\n.feature-list li {\n padding-left: 1.5rem;\n position: relative;\n}\n\n.feature-list li::before {\n content: \"\u2713\";\n position: absolute;\n left: 0;\n color: var(--accent);\n font-weight: bold;\n}\n<\/style>\n<\/head>\n<body>\n\n\n<div class=\"lang-bar\">\n <button id=\"btn-zh\" class=\"active\" onclick=\"switchLanguage('zh')\">\n \u4e2d\u6587<\/span>Chinese<\/span>\n <\/button>\n <button id=\"btn-en\" onclick=\"switchLanguage('en')\">\n English<\/span>English<\/span>\n <\/button>\n<\/div>\n\n<div class=\"container\">\n\n\n<div class=\"cover\">\n <h1>\u94bb\u5b54\u67f1\u72b6\u56fe\u5f00\u6e90\u5e93\u8be6\u89e3<\/span>Open-Source Libraries for Borehole Log Digitization<\/span><\/h1>\n <div class=\"subtitle\">Open-Source Libraries for Borehole Data<\/div>\n <div class=\"desc\">\u5168\u9762\u6c47\u603b\u94bb\u5b54\u6570\u636e\u63d0\u53d6\u3001\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u9886\u57df\u7684\u5f00\u6e90Python\u5e93\uff0c\u8be6\u7ec6\u8bf4\u660e\u5176\u529f\u80fd\u5b9a\u4f4d\u3001\u6838\u5fc3\u65b9\u6cd5\u4e0e\u9002\u7528\u573a\u666f\u3002<\/span>Comprehensive guide to open-source Python libraries for borehole data extraction, processing, and visualization.<\/span><\/div>\n<\/div>\n\n\n<nav class=\"toc\">\n <h2>\u76ee\u5f55<\/span>Table of Contents<\/span><\/h2>\n <ol>\n <li><a href=\"#overview\">\u6982\u8ff0<\/span>Overview<\/span><\/a><\/li>\n <li><a href=\"#extraction\">\u6570\u636e\u63d0\u53d6\u4e0e\u89e3\u6790\u7c7b<\/span>Data Extraction & Parsing<\/span><\/a><\/li>\n <li><a href=\"#processing\">\u6570\u636e\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u7c7b<\/span>Data Processing & Visualization<\/span><\/a><\/li>\n <li><a href=\"#other\">\u5176\u4ed6\u76f8\u5173\u5f00\u6e90\u9879\u76ee<\/span>Other Related Projects<\/span><\/a><\/li>\n <li><a href=\"#comparison\">\u5e93\u5bf9\u6bd4\u4e0e\u9009\u578b\u5efa\u8bae<\/span>Library Comparison & Selection<\/span><\/a><\/li>\n <\/ol>\n<\/nav>\n\n<section class=\"section\" id=\"overview\">\n\n<div class=\"section-icon\">\ud83d\udcd6<\/div>\n<h2>\u6982\u8ff0<\/span>Overview<\/span><\/h2>\n\n\u94bb\u5b54\u67f1\u72b6\u56fe\u6570\u5b57\u5316\u6d89\u53ca\u6570\u636e\u63d0\u53d6\u3001\u89e3\u6790\u3001\u5904\u7406\u3001\u53ef\u89c6\u5316\u7b49\u591a\u4e2a\u73af\u8282\u3002\u5f00\u6e90\u751f\u6001\u5728\u8fd9\u4e9b\u73af\u8282\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u652f\u6301\uff0c\u4e3b\u8981\u53ef\u5206\u4e3a\u4e09\u5927\u7c7b\uff1a<\/span>Borehole log digitization involves extraction, parsing, processing, and visualization. The open-source ecosystem provides rich tools across these stages, mainly in three categories:<\/span><\/p>\n\n<div class=\"card-grid\">\n<div class=\"card\">\n<div class=\"card-header\">\n\u6570\u636e\u63d0\u53d6\u4e0e\u89e3\u6790<\/span>Extraction & Parsing<\/span>\n<\/div>\n<div class=\"card-body\">\n\u4ecePDF\u62a5\u544a\u3001\u626b\u63cf\u56fe\u50cf\u3001CAD\u56fe\u4ef6\u4e2d\u63d0\u53d6\u7ed3\u6784\u5316\u94bb\u5b54\u6570\u636e\uff0c\u5305\u62ecdh2loop\u3001geotech-report-extraction\u3001parseplot\u3001GemGIS\u7b49\u3002<\/span>\nExtract structured borehole data from PDF reports, scanned images, and CAD files. Includes dh2loop, geotech-report-extraction, parseplot, GemGIS, etc.<\/span>\n<\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"card-header\">\n\u6570\u636e\u5904\u7406\u4e0e\u8d28\u63a7<\/span>Processing & QC<\/span>\n<\/div>\n<div class=\"card-body\">\n\u6d4b\u4e95\u6570\u636e\u8bfb\u53d6\u3001\u8d28\u91cf\u63a7\u5236\u3001\u66f2\u7ebf\u5408\u6210\u3001\u4e95\u659c\u8ba1\u7b97\u7b49\uff0c\u5305\u62eclasio\u3001welly\u3001PyBorehole\u3001borec_tool\u7b49\u3002<\/span>\nWell log reading, quality control, curve synthesis, deviation calculation. Includes lasio, welly, PyBorehole, borec_tool, etc.<\/span>\n<\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"card-header\">\n\u53ef\u89c6\u5316\u4e0e\u5efa\u6a21<\/span>Visualization & Modeling<\/span>\n<\/div>\n<div class=\"card-body\">\n\u5730\u5c42\u6761\u5e26\u7ed8\u5236\u3001\u4e09\u7ef4\u94bb\u5b54\u8f68\u8ff9\u3001\u5730\u8d28\u5efa\u6a21\u63a5\u53e3\uff0c\u5305\u62ecstriplog\u3001Baselode\u3001stresslog\u7b49\u3002<\/span>\nStratigraphic strip plotting, 3D well trajectory, geological modeling interfaces. Includes striplog, Baselode, stresslog, etc.<\/span>\n<\/div>\n<\/div>\n<\/div>\n\n<\/section>\n\n<section class=\"section\" id=\"extraction\">\n\n<div class=\"section-icon\">\ud83d\udce5<\/div>\n<h2>\u6570\u636e\u63d0\u53d6\u4e0e\u89e3\u6790\u7c7b<\/span>Data Extraction & Parsing Libraries<\/span><\/h2>\n\n<h3>dh2loop Active<\/span><\/h3>\nGitHub:<\/strong> <code>Loop3D\/dh2loop<\/code> | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u5730\u8d28\u94bb\u5b54\u65e5\u5fd7\u81ea\u52a8\u5316\u5904\u7406\u4e0e\u5206\u7c7b\u5f00\u6e90\u5e93\uff0c\u53d1\u8868\u4e8eGeoscientific Model Development (2026)\u3002<\/span>\nPositioning:<\/strong> Open-source library for automated geological drillhole log processing and classification, published in Geoscientific Model Development (2026).<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6570\u636e\u6e90\u63a5\u5165\uff1a<\/strong>\u4ece\u897f\u6fb3\u5730\u8d28\u8c03\u67e5\u5c40(WA Geological Survey)\u77ff\u4ea7\u52d8\u63a2\u62a5\u544a\u6570\u636e\u5e93\u4e2d\u81ea\u52a8\u63d0\u53d6\u94bb\u5b54\u6570\u636e<\/span>\nData Source Integration:<\/strong> Automatically extracts drillhole data from WA Geological Survey mineral exploration report databases<\/span><\/li>\n<li>\u6807\u51c6\u5316\u8f93\u51fa\uff1a<\/strong>\u5c06\u539f\u59cb\u975e\u7ed3\u6784\u5316\u62a5\u544a\u8f6c\u6362\u4e3a\u6807\u51c6\u95f4\u9694\u8868\uff0c\u5305\u62eccollar\uff08\u5b54\u53e3\uff09\u3001survey\uff08\u6d4b\u659c\uff09\u3001lithology\uff08\u5ca9\u6027\uff09\u4e09\u7c7b\u6838\u5fc3\u6570\u636e<\/span>\nStandardized Output:<\/strong> Converts raw unstructured reports into standard interval tables: collar, survey, and lithology<\/span><\/li>\n<li>\u6a21\u7cca\u5339\u914d\u7b97\u6cd5\uff1a<\/strong>\u57fa\u4e8e\u8bcd\u5e93(lexicon)\u548c\u6a21\u7cca\u5b57\u7b26\u4e32\u5339\u914d(fuzzy string matching)\u89e3\u51b3\u5ca9\u6027\u63cf\u8ff0\u547d\u540d\u4e0d\u4e00\u81f4\u95ee\u9898\uff0c86%\u7684\u5ca9\u6027\u6570\u636e\u53ef\u6210\u529f\u5339\u914d\u5230\u6807\u51c6\u8bcd\u5e93<\/span>\nFuzzy Matching:<\/strong> Uses lexicon-based fuzzy string matching to resolve inconsistent lithology naming; 86% match rate to standard lexicon<\/span><\/li>\n<li>\u591a\u7ea7\u5ca9\u6027\u5206\u7c7b\uff1a<\/strong>\u652f\u6301\u591a\u5c3a\u5ea6\u4e09\u7ef4\u5730\u8d28\u5efa\u6a21\u7684\u6570\u636e\u7f29\u653e\u9700\u6c42\uff0c\u53ef\u5c06\u8be6\u7ec6\u5ca9\u6027\u63cf\u8ff0\u5f52\u5e76\u4e3a\u4e0d\u540c\u7c92\u5ea6\u7684\u7c7b\u522b<\/span>\nMulti-level Classification:<\/strong> Supports data scaling for multi-scale 3D geological modeling by aggregating detailed descriptions<\/span><\/li>\n<\/ul>\n\n<h4>\u6280\u672f\u5b9e\u73b0\u7ec6\u8282<\/span>Technical Implementation<\/span><\/h4>\n<div class=\"tip-box\">\n\u63d0\u53d6\u7387\u6307\u6807\uff1a<\/span>Extraction Rates:<\/span><\/strong><br\/>\n\u5b54\u53e3\u6570\u636e(collar)\u63d0\u53d6\u7387 93%\uff0c\u6d4b\u659c\u6570\u636e(survey) 86%\uff0c\u5ca9\u6027\u6570\u636e(lithology) 34%<\/span>\nCollar extraction rate 93%, survey 86%, lithology 34%<\/span>\n<\/div>\n\n\u5173\u8054\u5e93\uff1a<\/strong>\u4e0elasio\uff08\u6d4b\u4e95\u6570\u636e\uff09\u3001welly\uff08\u6d4b\u4e95\u5904\u7406\uff09\u3001striplog\uff08\u5730\u5c42\u53ef\u89c6\u5316\uff09\u5f62\u6210\u751f\u6001\u4e92\u8865\u3002<\/span>\nEcosystem:<\/strong> Complements lasio (log data), welly (log processing), and striplog (stratigraphic visualization).<\/span><\/p>\n\n<h3>geotech-report-extraction Active<\/span><\/h3>\nPyPI:<\/strong> <code>geotech-report-extraction<\/code> (v0.5.6) | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u4ecePDF\u5ca9\u571f\u5de5\u7a0b\u62a5\u544a\u4e2d\u63d0\u53d6\u94bb\u5b54\u6570\u636e\uff0c\u8f93\u51faDIGGS 2.6 XML\u6807\u51c6\u683c\u5f0f\u3002<\/span>\nPositioning:<\/strong> Extracts borehole data from PDF geotechnical reports, outputs DIGGS 2.6 XML standard format.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6a21\u677f\u5316\u89e3\u6790\uff1a<\/strong>\u9488\u5bf9Langan\u3001Schnabel\u7b49\u5e38\u89c1\u5ca9\u571f\u62a5\u544a\u683c\u5f0f\u5185\u7f6e\u89e3\u6790\u6a21\u677f\uff0c\u652f\u6301\u571f\u5c42\u63cf\u8ff0\u3001SPT\u51fb\u6570\u3001\u5730\u4e0b\u6c34\u4f4d\u3001\u5b9e\u9a8c\u5ba4\u8bd5\u9a8c\u7ed3\u679c\u63d0\u53d6<\/span>\nTemplate Parsing:<\/strong> Built-in parsers for common formats (Langan, Schnabel), extracts soil descriptions, SPT N-values, groundwater levels, lab test results<\/span><\/li>\n<li>\u9875\u9762\u5206\u7c7b\u5668\uff1a<\/strong>\u57fa\u4e8eXGBoost\u7684\u673a\u5668\u5b66\u4e60\u9875\u9762\u5206\u7c7b\u5668\uff0c\u81ea\u52a8\u8bc6\u522bPDF\u4e2d\u7684\u94bb\u5b54\u65e5\u5fd7\u9875\u9762\u4e0e\u975e\u76f8\u5173\u9875\u9762<\/span>\nPage Classifier:<\/strong> XGBoost-based ML classifier automatically identifies borehole log pages vs. irrelevant pages in PDFs<\/span><\/li>\n<li>OCR\u6d41\u6c34\u7ebf\uff1a<\/strong>\u652f\u6301Azure Document Intelligence JSON\u8f93\u5165\uff0c\u53ef\u63a5\u5165\u4e91\u7aefOCR\u670d\u52a1\u5904\u7406\u626b\u63cf\u7248PDF<\/span>\nOCR Pipeline:<\/strong> Supports Azure Document Intelligence JSON input for cloud OCR processing of scanned PDFs<\/span><\/li>\n<li>\u89c6\u89c9\u5927\u6a21\u578b(\u53ef\u9009)\uff1a<\/strong>\u652f\u6301Claude\/GPT-4o\u7b49\u89c6\u89c9\u5927\u6a21\u578b\u4f5c\u4e3a\u5907\u7528\u63d0\u53d6\u5f15\u64ce\uff0c\u5904\u7406\u590d\u6742\u5e03\u5c40\u9875\u9762<\/span>\nVision LLM (Optional):<\/strong> Supports Claude\/GPT-4o as fallback extraction engine for complex layouts<\/span><\/li>\n<\/ul>\n\n<h4>\u5b89\u88c5\u4e0e\u4f9d\u8d56<\/span>Installation & Dependencies<\/span><\/h4>\n<pre><code>pip install geotech-report-extraction[all]<\/code><\/pre>\n\u53ef\u9009\u4f9d\u8d56\u5206\u7ec4\uff1a<\/span>Optional dependency groups:<\/span><\/p>\n<ul>\n<li><code>pdf<\/code> \u2014 PyMuPDF PDF\u6587\u672c\u63d0\u53d6<\/span>PDF text extraction<\/span><\/li>\n<li><code>ocr<\/code> \u2014 Tesseract \u672c\u5730OCR<\/span>Local OCR<\/span><\/li>\n<li><code>vision<\/code> \u2014 LLM \u89c6\u89c9\u5927\u6a21\u578b<\/span>Vision LLM<\/span><\/li>\n<li><code>geo<\/code> \u2014 \u5730\u7406\u7a7a\u95f4\u5904\u7406<\/span>Geospatial processing<\/span><\/li>\n<\/ul>\n\n<h3>parseplot Active<\/span><\/h3>\nPyPI:<\/strong> <code>parseplot<\/code> (v0.2.1) | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u4ecePDF\u5ca9\u571f\u5de5\u7a0b\u62a5\u544a\u4e2d\u63d0\u53d6\u5ca9\u571f\u6570\u636e\u7684\u4e13\u7528\u5de5\u5177\u5305\uff0c\u5c24\u5176\u9488\u5bf9dotPLOT\u548chotPLOT\u683c\u5f0f\u4f18\u5316\u3002<\/span>\nPositioning:<\/strong> Specialized toolkit for extracting geotechnical data from PDF reports, optimized for dotPLOT and hotPLOT formats.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>Borehole Parser\uff1a<\/strong>\u4e13\u95e8\u5904\u7406dotPLOT\u548chotPLOT\u683c\u5f0f\u7684\u94bb\u5b54\u65e5\u5fd7\uff08\u6bcf\u9875\u4e00\u4e2a\u94bb\u5b54\uff09\uff0c\u8f93\u51fa\u4e24\u7c7b\u957f\u683c\u5f0fCSV\uff1a<\/span>\nBorehole Parser:<\/strong> Handles dotPLOT\/hotPLOT format logs (one borehole per page), outputs two types of long-format CSV:<\/span>\n <ul>\n <li>\u5ca9\u6027\u95f4\u9694\u8868\uff1a\u7269\u8d28\u63cf\u8ff0\u3001\u6df1\u5ea6\u8fb9\u754c\u3001\u6c34\u4f4d\u4fe1\u606f<\/span>Lithology intervals: material description, depth boundaries, water levels<\/span><\/li>\n <li>\u94bb\u8fdb\u56de\u6b21\u8868\uff1a\u94bb\u8fdb\u65b9\u6cd5\u3001RQD\u3001\u5ca9\u82af\u91c7\u53d6\u7387\u3001SPT-N\u503c<\/span>Drilling runs: method, RQD, core recovery, SPT-N values<\/span><\/li>\n <\/ul>\n<\/li>\n<li>Test Pit Parser\uff1a<\/strong>\u5904\u7406\u8868\u683c\u5316\u5ca9\u571f\u52d8\u5bdf\u62a5\u544a\u4e2d\u7684\u63a2\u5751\u6570\u636e<\/span>\nTest Pit Parser:<\/strong> Processes test pit data from tabulated geotechnical investigation reports<\/span><\/li>\n<\/ul>\n\n<div class=\"tip-box\">\n\u751f\u6001\u7cfb\u7edf\uff1a<\/span>Ecosystem:<\/span><\/strong>\nparseplot\u96c6\u6210\u4e8eMaplyticX\u5730\u7406\u7a7a\u95f4\u53ef\u89c6\u5316\u751f\u6001\u7cfb\u7edf\uff0c\u63d0\u53d6\u7684\u6570\u636e\u53ef\u76f4\u63a5\u8fdb\u5165\u4e0b\u6e38GIS\u5206\u6790\u6d41\u7a0b\u3002<\/span>\nparseplot is integrated into the MaplyticX geospatial visualization ecosystem; extracted data flows directly into downstream GIS analysis.<\/span>\n<\/div>\n\n<h3>GemGIS Active<\/span><\/h3>\n\u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python | \u6559\u7a0b<\/span>Tutorial<\/span>:<\/strong> Jupyter Notebook #26 (Working with Well Data)<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u5730\u7406\u7a7a\u95f4\u5730\u8d28\u6570\u636e\u5904\u7406Python\u5e93\uff0c\u63d0\u4f9b\u4ece\u5730\u8d28\u8c03\u67e5\u5c40\u53d1\u5e03\u7684\u94bb\u5b54\u65e5\u5fd7PDF\/\u6587\u6863\u4e2d\u63d0\u53d6\u4f4d\u7f6e\u548c\u5730\u5c42\u6570\u636e\u7684\u529f\u80fd\u3002<\/span>\nPositioning:<\/strong> Geospatial geological data processing library, provides functions to extract borehole locations and stratigraphic data from GSQ-published log PDFs\/documents.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>PDF\u6570\u636e\u63d0\u53d6\uff1a<\/strong>\u89e3\u6790\u5730\u8d28\u8c03\u67e5\u5c40\u53d1\u5e03\u7684\u94bb\u5b54\u65e5\u5fd7\u6587\u6863\uff0c\u81ea\u52a8\u63d0\u53d6\u94bb\u5b54\u4f4d\u7f6e\u5750\u6807\u548c\u5206\u5c42\u5730\u5c42\u6570\u636e<\/span>\nPDF Data Extraction:<\/strong> Parses GSQ-published borehole log documents, auto-extracts coordinates and stratigraphic intervals<\/span><\/li>\n<li>GeoDataFrame\u96c6\u6210\uff1a<\/strong>\u63d0\u53d6\u7ed3\u679c\u76f4\u63a5\u8f93\u51fa\u4e3aGeoPandas GeoDataFrame\uff0c\u4fbf\u4e8e\u4e0eGIS\u5de5\u4f5c\u6d41\u96c6\u6210<\/span>\nGeoDataFrame Integration:<\/strong> Outputs GeoPandas GeoDataFrames for seamless GIS workflow integration<\/span><\/li>\n<li>\u53ef\u89c6\u5316\u6559\u7a0b\uff1a<\/strong>\u63d0\u4f9b\u5b8c\u6574\u7684Jupyter Notebook\u6559\u7a0b\uff0826\u53f7\u6559\u7a0b\uff09\uff0c\u6f14\u793a\u4ece\u6570\u636e\u63d0\u53d6\u5230\u53ef\u89c6\u5316\u7684\u5b8c\u6574\u6d41\u7a0b<\/span>\nVisualization Tutorials:<\/strong> Complete Jupyter Notebook tutorial (#26) demonstrating full extraction-to-visualization workflow<\/span><\/li>\n<\/ul>\n\n<pre><code>pip install gemgis<\/code><\/pre>\n\n<\/section>\n\n<section class=\"section\" id=\"processing\">\n\n<div class=\"section-icon\">\u2699\ufe0f<\/div>\n<h2>\u6570\u636e\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u7c7b<\/span>Data Processing & Visualization Libraries<\/span><\/h2>\n\n<h3>striplog Active<\/span><\/h3>\n\u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u5730\u5c42\u6761\u5e26\u8bb0\u5f55\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u5de5\u5177\uff0c\u4e13\u6ce8\u4e8e\u5ca9\u6027\u67f1\u7684\u521b\u5efa\u3001\u7f16\u8f91\u548c\u7f8e\u89c2\u6e32\u67d3\u3002<\/span>\nPositioning:<\/strong> Stratigraphic strip record processing and visualization tool, focused on lithology column creation, editing, and aesthetic rendering.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6761\u5e26\u5bf9\u8c61\u6a21\u578b\uff1a<\/strong>\u6bcf\u4e2a\u5ca9\u77f3\u5355\u4f4d(rock unit)\u53ef\u5305\u542b\u8be6\u7ec6\u63cf\u8ff0\u3001\u989c\u8272\u3001\u7b26\u53f7\u3001\u539a\u5ea6\u7b49\u5c5e\u6027\uff0c\u652f\u6301\u4efb\u610f\u590d\u6742\u5ea6\u7684\u5730\u5c42\u5e8f\u5217<\/span>\nStrip Object Model:<\/strong> Each rock unit can contain detailed description, color, pattern, thickness; supports arbitrarily complex stratigraphic sequences<\/span><\/li>\n<li>CSV\u5bfc\u5165\u5bfc\u51fa\uff1a<\/strong>\u652f\u6301\u4ece\u6807\u51c6CSV\u683c\u5f0f\u52a0\u8f7d\u548c\u4fdd\u5b58\u5730\u5c42\u6570\u636e\uff0c\u4fbf\u4e8e\u4e0e\u5176\u4ed6\u5de5\u5177\u4ea4\u6362<\/span>\nCSV I\/O:<\/strong> Supports loading and saving stratigraphic data from standard CSV format<\/span><\/li>\n<li>\u5185\u7f6e\u6e32\u67d3\u5f15\u64ce\uff1a<\/strong>\u57fa\u4e8eMatplotlib\u7ed8\u5236\u4e13\u4e1a\u5730\u8d28\u67f1\u72b6\u56fe\uff0c\u652f\u6301\u5ca9\u6027\u82b1\u7eb9\u586b\u5145\u3001\u989c\u8272\u6620\u5c04\u3001\u6bd4\u4f8b\u5c3a\u63a7\u5236<\/span>\nBuilt-in Rendering:<\/strong> Matplotlib-based professional geological column plotting with lithology pattern fills, color mapping, scale control<\/span><\/li>\n<li>\u79d1\u5b66\u8ba1\u7b97\u96c6\u6210\uff1a<\/strong>\u4e0eNumPy\u3001Matplotlib\u65e0\u7f1d\u96c6\u6210\uff0c\u652f\u6301\u6570\u503c\u5206\u6790\u548c\u81ea\u5b9a\u4e49\u7ed8\u56fe<\/span>\nScientific Computing:<\/strong> Seamless integration with NumPy and Matplotlib for numerical analysis and custom plotting<\/span><\/li>\n<\/ul>\n\n<pre><code>pip install striplog<\/code><\/pre>\n\n<h3>welly Active<\/span><\/h3>\n\u5f00\u53d1\u5546<\/span>Developer<\/span>:<\/strong> Agile Scientific | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u6d4b\u4e95\u6570\u636e\u5904\u7406\u4e0e\u8d28\u91cf\u63a7\u5236\u5de5\u5177\u5e93\uff0c\u9762\u5411\u77f3\u6cb9\u5730\u8d28\u548c\u77ff\u4ea7\u52d8\u63a2\u9886\u57df\u7684\u6d4b\u4e95\u5206\u6790\u3002<\/span>\nPositioning:<\/strong> Well log data processing and quality control toolkit for petroleum geology and mineral exploration log analysis.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>LAS\u6587\u4ef6\u52a0\u8f7d\uff1a<\/strong>\u4eceLAS\u6587\u4ef6\u52a0\u8f7d\u5355\u4e95\u6216\u591a\u4e95\u9879\u76ee\uff0c\u4e0elasio\u6df1\u5ea6\u96c6\u6210<\/span>\nLAS Loading:<\/strong> Load single or multi-well projects from LAS files, deeply integrated with lasio<\/span><\/li>\n<li>\u66f2\u7ebf\u8d28\u91cf\u63a7\u5236\uff1a<\/strong>\u63d0\u4f9b\u6d4b\u4e95\u66f2\u7ebf\u7684\u8d28\u91cf\u8bc4\u4f30\u65b9\u6cd5\uff0c\u5305\u62ec\u5f02\u5e38\u503c\u68c0\u6d4b\u3001\u6570\u636e\u5b8c\u6574\u6027\u68c0\u67e5<\/span>\nCurve QC:<\/strong> Quality assessment methods including outlier detection and data completeness checks<\/span><\/li>\n<li>\u66f2\u7ebf\u522b\u540d\u7ba1\u7406\uff1a<\/strong>\u667a\u80fd\u8bc6\u522b\u548c\u5904\u7406\u540c\u4e00\u7269\u7406\u91cf\u5728\u4e0d\u540c\u6d4b\u4e95\u4e2d\u7684\u4e0d\u540c\u547d\u540d\uff08\u5982GR\/GAMMA\/RHOB\u7b49\u522b\u540d\u7edf\u4e00\uff09<\/span>\nCurve Alias Management:<\/strong> Intelligently recognizes and unifies different mnemonics for the same physical measurement<\/span><\/li>\n<li>\u66f2\u7ebf\u5408\u6210\u4e0e\u4ea4\u4f1a\u56fe\uff1a<\/strong>\u652f\u6301\u66f2\u7ebf\u6570\u5b66\u8fd0\u7b97\u3001\u5408\u6210\u65b0\u66f2\u7ebf\uff0c\u4ee5\u53ca\u4ea4\u4f1a\u56fe(crossplot)\u5206\u6790<\/span>\nCurve Synthesis & Crossplots:<\/strong> Mathematical operations on curves, new curve generation, and crossplot analysis<\/span><\/li>\n<\/ul>\n\n\u6587\u6863:<\/strong> <code>code.agilescientific.com\/welly<\/code><\/p>\n\n<h3>lasio Active<\/span><\/h3>\nPyPI:<\/strong> <code>lasio<\/code> (v0.32) | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>LAS\uff08Log ASCII Standard\uff09\u6587\u4ef6\u8bfb\u5199\u7684\u57fa\u7840\u5e93\uff0c\u662f\u6d4b\u4e95\u6570\u636e\u5904\u7406\u7684\u57fa\u77f3\u3002<\/span>\nPositioning:<\/strong> Foundation library for LAS (Log ASCII Standard) file reading\/writing, the cornerstone of well log data processing.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u7248\u672c\u652f\u6301\uff1a<\/strong>\u5b8c\u6574\u652f\u6301LAS 1.2\u548c2.0\u7248\u672c\uff0cLAS 3.0\u7248\u672c\u5f00\u53d1\u4e2d<\/span>\nVersion Support:<\/strong> Full support for LAS 1.2 and 2.0, LAS 3.0 in development<\/span><\/li>\n<li>\u9c81\u68d2\u89e3\u6790\uff1a<\/strong>\u517c\u5bb9\u5e38\u89c1\u9519\u8bef\u548c\u975e\u6807\u51c6\u683c\u5f0f\uff0c\u5982\u7f3a\u5931\u5934\u90e8\u3001\u4e0d\u4e00\u81f4\u7684\u7a7a\u503c\u6807\u8bb0\u3001\u683c\u5f0f\u504f\u5dee\u7b49<\/span>\nRobust Parsing:<\/strong> Tolerates common errors and non-standard formats: missing headers, inconsistent null markers, format deviations<\/span><\/li>\n<li>pandas\u96c6\u6210\uff1a<\/strong>\u53ef\u76f4\u63a5\u8f6c\u6362\u4e3apandas DataFrame\uff0c\u4fbf\u4e8e\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u673a\u5668\u5b66\u4e60<\/span>\npandas Integration:<\/strong> Direct conversion to pandas DataFrame for data analysis and machine learning<\/span><\/li>\n<li>\u7a7a\u503c\u5904\u7406\uff1a<\/strong>\u81ea\u52a8\u8bc6\u522bLAS\u6807\u51c6\u7a7a\u503c\uff08\u5982-999.25\uff09\u5e76\u6b63\u786e\u5904\u7406<\/span>\nNull Handling:<\/strong> Automatically recognizes LAS standard null values (e.g., -999.25) and handles them correctly<\/span><\/li>\n<li>\u6279\u91cf\u5904\u7406\uff1a<\/strong>\u652f\u6301\u591a\u53e3\u4e95\u7684\u6279\u91cf\u8bfb\u53d6\u548c\u5904\u7406<\/span>\nBatch Processing:<\/strong> Supports batch reading and processing of multiple wells<\/span><\/li>\n<\/ul>\n\n<pre><code>pip install lasio<\/code><\/pre>\n\n<h3>PyBorehole Active<\/span><\/h3>\nGitHub:<\/strong> <code>AlexanderJuestel\/pyborehole<\/code> | Language<\/span>\u8bed\u8a00<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u94bb\u5b54\u6570\u636e\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u5e93\uff0c\u529f\u80fd\u5b9a\u4f4d\u7c7b\u4f3cwelly\u4f46\u66f4\u805a\u7126\u94bb\u5b54\u5de5\u7a0b\u6570\u636e\u3002<\/span>\nPositioning:<\/strong> Borehole data processing and visualization library, similar to welly but more focused on drilling engineering data.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6d4b\u4e95\u66f2\u7ebf\u53ef\u89c6\u5316\uff1a<\/strong>\u57fa\u4e8elasio\u8bfb\u53d6LAS\u6587\u4ef6\uff0c\u63d0\u4f9b\u6d4b\u4e95\u66f2\u7ebf\u7684\u4e13\u4e1a\u53ef\u89c6\u5316<\/span>\nLog Visualization:<\/strong> Reads LAS files via lasio, provides professional log curve visualization<\/span><\/li>\n<li>\u4e95\u659c\u8f68\u8ff9\u5904\u7406\uff1a<\/strong>\u57fa\u4e8ewellpathpy\u5904\u7406\u4e95\u659c\u6570\u636e\uff0c\u8ba1\u7b97\u771f\u5b9e\u5782\u76f4\u6df1\u5ea6(TVD)\u548c\u4e09\u7ef4\u7a7a\u95f4\u8f68\u8ff9<\/span>\nDeviation Survey:<\/strong> Uses wellpathpy to process deviation data, calculate TVD and 3D spatial trajectory<\/span><\/li>\n<li>\u8131\u9776\u8ba1\u7b97\uff1a<\/strong>\u652f\u6301\u4e95\u773c\u8f68\u8ff9\u4e0e\u76ee\u6807\u9776\u533a\u7684\u504f\u79bb\u8ba1\u7b97<\/span>\nTarget Miss Distance:<\/strong> Calculates deviation between wellbore trajectory and target zone<\/span><\/li>\n<li>BoreholeML\u89e3\u6790\uff1a<\/strong>\u89e3\u6790BoreholeML\u683c\u5f0f\u7684XML\u6587\u4ef6\uff0c\u652f\u6301\u5fb7\u56fd\u6807\u51c6\u7684\u94bb\u5b54\u6570\u636e\u4ea4\u6362\u683c\u5f0f<\/span>\nBoreholeML Parsing:<\/strong> Parses BoreholeML XML files, supports German standard borehole data exchange format<\/span><\/li>\n<\/ul>\n\n<h3>borec_tool Beta<\/span><\/h3>\n\u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u9762\u5411\u5730\u7403\u79d1\u5b66\u7684\u94bb\u5b54\u5206\u6790\u4e13\u7528\u5de5\u5177\u5e93\uff0c\u5f3a\u8c03\u5730\u8d28\u5b66\u672f\u8bed\u5230\u6570\u636e\u7ed3\u6784\u7684\u76f4\u63a5\u6620\u5c04\u3002<\/span>\nPositioning:<\/strong> Dedicated drilling analysis toolkit for geosciences, emphasizes direct mapping of geological terminology to data structures.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u91ce\u5916\u8bb0\u5f55\u89e3\u6790\uff1a<\/strong>\u5c06\u91ce\u5916\u7eb8\u8d28\/\u7535\u5b50\u539f\u59cb\u8bb0\u5f55\u89e3\u6790\u4e3a\u7ed3\u6784\u5316\u6570\u636e\u6a21\u578b<\/span>\nField Record Parsing:<\/strong> Parses paper\/electronic field records into structured data models<\/span><\/li>\n<li>\u81ea\u52a8\u6210\u56fe\uff1a<\/strong>\u5730\u5c42\u67f1\u72b6\u56fe\u81ea\u52a8\u7ed8\u5236\u7b97\u6cd5\uff0c\u6839\u636e\u5ca9\u6027\u7f16\u7801\u81ea\u52a8\u9009\u62e9\u82b1\u7eb9\u548c\u989c\u8272<\/span>\nAuto Plotting:<\/strong> Automated stratigraphic column plotting, auto-selects patterns and colors from lithology codes<\/span><\/li>\n<li>\u7ed3\u6784\u5316\u5efa\u6a21\uff1a<\/strong>\u5ca9\u6027\u3001\u542b\u6c34\u5c42\u3001\u53d6\u6837\u4fe1\u606f\u7684\u5730\u8d28\u6570\u636e\u6a21\u578b<\/span>\nStructured Modeling:<\/strong> Geological data models for lithology, aquifers, and sampling information<\/span><\/li>\n<li>\u6807\u51c6\u5316\u62a5\u544a\uff1a<\/strong>\u6309\u884c\u4e1a\u6807\u51c6\u81ea\u52a8\u751f\u6210\u94bb\u5b54\u62a5\u544a\u6587\u6863<\/span>\nStandardized Reporting:<\/strong> Auto-generates borehole report documents per industry standards<\/span><\/li>\n<li>\u591a\u5b54\u7a7a\u95f4\u5206\u6790\uff1a<\/strong>\u591a\u94bb\u5b54\u8054\u5408\u7a7a\u95f4\u5206\u6790\uff0c\u652f\u6301\u5256\u9762\u56fe\u548c\u5e73\u9762\u56fe\u751f\u6210<\/span>\nMulti-borehole Spatial Analysis:<\/strong> Joint spatial analysis of multiple boreholes, supports section and plan view generation<\/span><\/li>\n<li>\u4e09\u7ef4\u5efa\u6a21\u63a5\u53e3\uff1a<\/strong>\u63d0\u4f9b\u4e0e\u4e09\u7ef4\u5730\u8d28\u5efa\u6a21\u8f6f\u4ef6\u7684\u6570\u636e\u4ea4\u6362\u63a5\u53e3<\/span>\n3D Modeling Interface:<\/strong> Data exchange interfaces with 3D geological modeling software<\/span><\/li>\n<\/ul>\n\n<div class=\"tip-box success\">\n\u8bbe\u8ba1\u7406\u5ff5\uff1a<\/span>Design Philosophy:<\/span><\/strong>\n\u5c06\u5730\u8d28\u5b66\u672f\u8bed\uff08\u5c42\u9876\u6df1\u3001\u5c42\u5e95\u6df1\u3001RQD\u3001SPT\u51fb\u6570\u7b49\uff09\u76f4\u63a5\u6620\u5c04\u4e3a\u53ef\u7f16\u7a0b\u6570\u636e\u7ed3\u6784\uff0c\u964d\u4f4e\u5730\u8d28\u4eba\u5458\u7f16\u7a0b\u95e8\u69db\u3002<\/span>\nMaps geological terms (top depth, bottom depth, RQD, SPT N-values, etc.) directly to programmable data structures, lowering the programming barrier for geologists.<\/span>\n<\/div>\n\n<h3>Baselode Active<\/span><\/h3>\n\u8bed\u8a00<\/span>Languages<\/span>:<\/strong> Python, JavaScript | \u6587\u6863<\/span>Docs<\/span>:<\/strong> <code>docs.baselode.net<\/code><\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u5f00\u6e90\u77ff\u4ea7\u52d8\u63a2\u5de5\u5177\u5305\uff0c\u63d0\u4f9bPython\u548cJavaScript\u53cc\u8bed\u8a00\u7248\u672c\uff0c\u8986\u76d6\u4ece\u6570\u636e\u52a0\u8f7d\u5230\u4e09\u7ef4\u53ef\u89c6\u5316\u7684\u5168\u6d41\u7a0b\u3002<\/span>\nPositioning:<\/strong> Open-source mineral exploration toolkit with Python and JavaScript versions, covering full workflow from data loading to 3D visualization.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6570\u636e\u52a0\u8f7d\u4e0e\u6807\u51c6\u5316\uff1a<\/strong>\u4eceCSV\/Parquet\/SQL\u5bfc\u5165\u5e76\u6807\u51c6\u5316\u94bb\u5b54\u5b54\u53e3(collar)\u3001\u6d4b\u659c(survey)\u3001\u5316\u9a8c(assay)\u3001\u5ca9\u571f\u95f4\u9694\u6570\u636e<\/span>\nData Loading & Standardization:<\/strong> Imports and standardizes collar, survey, assay, and geotechnical interval data from CSV\/Parquet\/SQL<\/span><\/li>\n<li>\u8131\u9776\u8ba1\u7b97\u65b9\u6cd5\uff1a<\/strong>\u652f\u6301\u6700\u5c0f\u66f2\u7387\u6cd5(minimum curvature)\u3001\u5207\u7ebf\u6cd5(tangential)\u3001\u5e73\u8861\u5207\u7ebf\u6cd5(balanced tangential)\u4e09\u79cd\u884c\u4e1a\u6807\u51c6\u7b97\u6cd5<\/span>\nDeviation Calculation:<\/strong> Supports minimum curvature, tangential, and balanced tangential methods \u2014 three industry-standard algorithms<\/span><\/li>\n<li>2D\u6761\u5e26\u65e5\u5fd7\uff1a<\/strong>\u57fa\u4e8ePlotly\u7684\u591a\u8f68\u9053(multi-track)\u6761\u5e26\u56fe\uff0c\u652f\u6301\u4ea4\u4e92\u5f0f\u7f29\u653e\u548c\u66f2\u7ebf\u53e0\u52a0<\/span>\n2D Strip Logs:<\/strong> Plotly-based multi-track strip charts with interactive zooming and curve overlay<\/span><\/li>\n<li>3D\u573a\u666f\uff1a<\/strong>Three.js\u9a71\u52a8\u76843D\u67e5\u770b\u5668\uff0c\u652f\u6301\u94bb\u5b54\u8f68\u8ff9\u3001\u5ca9\u6027\u67f1\u3001\u5316\u9a8c\u7ed3\u679c\u7684\u4e09\u7ef4\u4ea4\u4e92\u5c55\u793a<\/span>\n3D Scene:<\/strong> Three.js-powered 3D viewer supporting interactive display of well trajectories, lithology columns, and assay results<\/span><\/li>\n<\/ul>\n\n<h3>stresslog Active<\/span><\/h3>\nPyPI:<\/strong> <code>stresslog<\/code> | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u57fa\u4e8e\u6d4b\u4e95\u66f2\u7ebf\u7684\u5730\u5e94\u529b\u8ba1\u7b97\u5e93\uff0c\u9762\u5411\u94bb\u4e95\u5de5\u7a0b\u548c\u4e95\u58c1\u7a33\u5b9a\u6027\u5206\u6790\u3002<\/span>\nPositioning:<\/strong> Geomechanical stress calculation library based on well logs, for drilling engineering and wellbore stability analysis.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6570\u636e\u5bfc\u5165\uff1a<\/strong>\u4eceLAS\/DLIS\u6587\u4ef6\u5bfc\u5165\u6d4b\u4e95\u6570\u636e<\/span>\nData Import:<\/strong> Imports log data from LAS\/DLIS files<\/span><\/li>\n<li>\u5b54\u9699\u538b\u529b\u8ba1\u7b97\uff1a<\/strong>\u57fa\u4e8e\u6d4b\u4e95\u54cd\u5e94\uff08\u5982\u58f0\u6ce2\u3001\u7535\u963b\u7387\uff09\u8ba1\u7b97\u5730\u5c42\u5b54\u9699\u538b\u529b\u5256\u9762<\/span>\nPore Pressure:<\/strong> Calculates formation pore pressure profiles from log responses (sonic, resistivity)<\/span><\/li>\n<li>\u5730\u5e94\u529b\u5206\u91cf\u8ba1\u7b97\uff1a<\/strong>\u8ba1\u7b97\u5782\u76f4\u5e94\u529b\u3001\u6700\u5c0f\/\u6700\u5927\u6c34\u5e73\u4e3b\u5e94\u529b<\/span>\nStress Components:<\/strong> Calculates vertical stress and minimum\/maximum horizontal principal stresses<\/span><\/li>\n<li>\u4e95\u58c1\u7a33\u5b9a\u6027\u5206\u6790\uff1a<\/strong>\u57fa\u4e8e\u5e94\u529b\u72b6\u6001\u9884\u6d4b\u4e95\u58c1\u574d\u584c\u548c\u7834\u88c2\u98ce\u9669<\/span>\nWellbore Stability:<\/strong> Predicts wellbore collapse and fracturing risks based on stress state<\/span><\/li>\n<li>\u7ed3\u679c\u5bfc\u51fa\uff1a<\/strong>\u652f\u6301CSV\u548cLAS\u683c\u5f0f\u7ed3\u679c\u8f93\u51fa<\/span>\nResult Export:<\/strong> Supports CSV and LAS format output<\/span><\/li>\n<\/ul>\n\n<\/section>\n\n<section class=\"section\" id=\"other\">\n\n<div class=\"section-icon\">\ud83d\udd27<\/div>\n<h2>\u5176\u4ed6\u76f8\u5173\u5f00\u6e90\u9879\u76ee<\/span>Other Related Open-Source Projects<\/span><\/h2>\n\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u9879\u76ee\u540d<\/span>Project<\/span><\/th>\n<th>\u8bed\u8a00<\/span>Language<\/span><\/th>\n<th>\u529f\u80fd\u5b9a\u4f4d<\/span>Function<\/span><\/th>\n<th>\u9002\u7528\u573a\u666f<\/span>Use Case<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>dliswriter<\/code><\/td>\n<td>Python<\/td>\n<td>\u5199\u5165DLIS\u683c\u5f0f\u6d4b\u4e95\u6587\u4ef6\uff08RP66V1\u6807\u51c6\uff09<\/span>Write DLIS format log files (RP66V1 standard)<\/span><\/td>\n<td>\u6d4b\u4e95\u6570\u636e\u5f52\u6863\u4e0e\u4ea4\u6362<\/span>Log data archiving and exchange<\/span><\/td>\n<\/tr>\n<tr>\n<td><code>logASCII_viewer<\/code><\/td>\n<td>Python<\/td>\n<td>\u57fa\u4e8eStreamlit\u7684LAS\u6587\u4ef6\u4ea4\u4e92\u5f0f\u67e5\u770b\u5668<\/span>Streamlit-based interactive LAS file viewer<\/span><\/td>\n<td>\u5feb\u901f\u6d4f\u89c8\u6d4b\u4e95\u6570\u636e<\/span>Quick log data browsing<\/span><\/td>\n<\/tr>\n<tr>\n<td><code>Wellbore_Stability<\/code><\/td>\n<td>MATLAB<\/td>\n<td>\u4e95\u58c1\u7a33\u5b9a\u6027\u8ba1\u7b97\uff08Mohr-Coulomb\u51c6\u5219\uff09<\/span>Wellbore stability (Mohr-Coulomb criterion)<\/span><\/td>\n<td>\u94bb\u4e95\u5de5\u7a0b\u5b89\u5168\u5206\u6790<\/span>Drilling engineering safety analysis<\/span><\/td>\n<\/tr>\n<tr>\n<td><code>Interactive-Well-Trajectory-Plot<\/code><\/td>\n<td>Python<\/td>\n<td>\u57fa\u4e8ePlotly\u7684\u4ea4\u4e92\u5f0f\u4e95\u8f68\u8ff9\u53ef\u89c6\u5316<\/span>Plotly-based interactive well trajectory visualization<\/span><\/td>\n<td>\u5b9a\u5411\u4e95\u8f68\u8ff9\u5206\u6790<\/span>Directional well trajectory analysis<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<\/section>\n\n<section class=\"section\" id=\"comparison\">\n\n<div class=\"section-icon\">\u2696\ufe0f<\/div>\n<h2>\u5e93\u5bf9\u6bd4\u4e0e\u9009\u578b\u5efa\u8bae<\/span>Library Comparison & Selection Guide<\/span><\/h2>\n\n<h3>\u6309\u5e94\u7528\u573a\u666f\u9009\u578b<\/span>Selection by Application Scenario<\/span><\/h3>\n\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u5e94\u7528\u573a\u666f<\/span>Scenario<\/span><\/th>\n<th>\u63a8\u8350\u5e93<\/span>Recommended Libraries<\/span><\/th>\n<th>\u8bf4\u660e<\/span>Notes<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4ecePDF\u5ca9\u571f\u62a5\u544a\u63d0\u53d6\u6570\u636e<\/span>Extract from PDF geotech reports<\/span><\/td>\n<td>geotech-report-extraction, parseplot<\/td>\n<td>\u524d\u8005\u652f\u6301DIGGS\u8f93\u51fa\uff0c\u540e\u8005\u4e13\u6ce8dotPLOT\/hotPLOT<\/span>Former outputs DIGGS; latter focuses on dotPLOT\/hotPLOT<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u4ece\u653f\u5e9c\u5730\u8d28\u6570\u636e\u5e93\u63d0\u53d6<\/span>Extract from government geological DBs<\/span><\/td>\n<td>dh2loop, GemGIS<\/td>\n<td>dh2loop\u9488\u5bf9\u897f\u6fb3\u6570\u636e\u5e93\uff0cGemGIS\u9488\u5bf9\u6606\u58eb\u5170<\/span>dh2loop for WA; GemGIS for Queensland<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u6d4b\u4e95\u6570\u636e\u8bfb\u53d6\u4e0e\u8d28\u63a7<\/span>Log reading & QC<\/span><\/td>\n<td>lasio + welly<\/td>\n<td>\u9ec4\u91d1\u7ec4\u5408\uff1alasio\u8bfb\u53d6\uff0cwelly\u505a\u8d28\u63a7\u548c\u5206\u6790<\/span>Golden combo: lasio reads, welly does QC and analysis<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u5730\u5c42\u67f1\u72b6\u56fe\u7ed8\u5236<\/span>Stratigraphic column plotting<\/span><\/td>\n<td>striplog, borec_tool<\/td>\n<td>striplog\u66f4\u901a\u7528\uff0cborec_tool\u66f4\u8d34\u5408\u56fd\u5185\u89c4\u8303<\/span>striplog more general; borec_tool closer to Chinese standards<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u4e95\u659c\u8ba1\u7b97\u4e0e\u4e09\u7ef4\u8f68\u8ff9<\/span>Deviation & 3D trajectory<\/span><\/td>\n<td>PyBorehole, Baselode<\/td>\n<td>Baselode\u63d0\u4f9bJS\/Python\u53cc\u7248\u672c\u548c3D\u53ef\u89c6\u5316<\/span>Baselode provides JS\/Python dual versions and 3D visualization<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u5730\u5e94\u529b\u4e0e\u4e95\u58c1\u7a33\u5b9a<\/span>Geomechanics & stability<\/span><\/td>\n<td>stresslog, Wellbore_Stability<\/td>\n<td>stresslog\u4e3aPython\uff0cWellbore_Stability\u4e3aMATLAB<\/span>stresslog in Python; Wellbore_Stability in MATLAB<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<h3>\u6280\u672f\u6808\u7ec4\u5408\u5efa\u8bae<\/span>Recommended Tech Stack Combinations<\/span><\/h3>\n\n<div class=\"tip-box\">\n\u6807\u51c6\u6d4b\u4e95\u5206\u6790\u6808<\/span>Standard Log Analysis Stack:<\/span><\/strong><br\/>\n<code>lasio<\/code> \u2192 <code>welly<\/code> \u2192 <code>striplog<\/code><br\/>\n\u8bfb\u53d6 \u2192 \u8d28\u63a7\u5206\u6790 \u2192 \u53ef\u89c6\u5316<\/span>\nRead \u2192 QC\/Analysis \u2192 Visualize<\/span>\n<\/div>\n\n<div class=\"tip-box\">\nPDF\u6570\u5b57\u5316\u6808<\/span>PDF Digitization Stack:<\/span><\/strong><br\/>\n<code>geotech-report-extraction<\/code> \/ <code>parseplot<\/code> \u2192 <code>pandas<\/code> \u2192 <code>striplog<\/code><br\/>\n\u63d0\u53d6 \u2192 \u6570\u636e\u5904\u7406 \u2192 \u6210\u56fe<\/span>\nExtract \u2192 Process \u2192 Plot<\/span>\n<\/div>\n\n<div class=\"tip-box\">\n\u4e09\u7ef4\u52d8\u63a2\u6808<\/span>3D Exploration Stack:<\/span><\/strong><br\/>\n<code>dh2loop<\/code> \/ <code>Baselode<\/code> \u2192 <code>wellpathpy<\/code> \u2192 <code>Three.js\/Baselode 3D<\/code><br\/>\n\u6570\u636e\u63d0\u53d6 \u2192 \u8f68\u8ff9\u8ba1\u7b97 \u2192 \u4e09\u7ef4\u5c55\u793a<\/span>\nExtract \u2192 Trajectory \u2192 3D Display<\/span>\n<\/div>\n\n<\/section>\n\n<div class=\"footnotes\">\n \u94bb\u5b54\u67f1\u72b6\u56fe\u5f00\u6e90\u5e93\u6c47\u603b | \u57fa\u4e8e\u516c\u5f00\u6587\u6863\u4e0e\u793e\u533a\u8d44\u6e90\u6574\u7406<\/span>Borehole Log Open-Source Libraries Guide | Compiled from public documentation and community resources<\/span><\/p>\n<\/div>\n\n<\/div>\n\n\n<script>\nfunction switchLanguage(lang) {\n document.documentElement.lang = lang;\n document.body.className = (lang === 'en') ? 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{"id":288,"date":"2026-07-02T16:16:42","date_gmt":"2026-07-02T08:16:42","guid":{"rendered":"https:\/\/numsimlab.com\/?p=288"},"modified":"2026-07-02T16:16:42","modified_gmt":"2026-07-02T08:16:42","slug":"%e9%92%bb%e5%ad%94%e6%9f%b1%e7%8a%b6%e5%9b%be%e5%bc%80%e6%ba%90%e5%ba%93%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/numsimlab.com\/?p=288","title":{"rendered":"\u94bb\u5b54\u67f1\u72b6\u56fe\u5f00\u6e90\u5e93\u8be6\u89e3"},"content":{"rendered":"\n\n\n\n\n\n\u94bb\u5b54\u67f1\u72b6\u56fe\u5f00\u6e90\u5e93\u8be6\u89e3<\/span>Open-Source Libraries for Borehole Log Digitization<\/span><\/title>\n<style>\n:root {\n --bg: #f5faf7;\n --bg2: #eef6f1;\n --ink: #1a2e23;\n --muted: #5a7a6e;\n --rule: #c0d8cc;\n --accent: #059669;\n --accent2: #0d9488;\n --code-bg: #1e2d26;\n --code-fg: #d1fae5;\n}\n\n* { box-sizing: border-box; margin: 0; padding: 0; }\n\nhtml { scroll-behavior: smooth; }\n\nbody {\n font-family: \"Microsoft YaHei\", \"PingFang SC\", system-ui, -apple-system, sans-serif;\n background: var(--bg);\n color: var(--ink);\n line-height: 1.8;\n}\n\nbody.en-active { font-family: system-ui, -apple-system, sans-serif; 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color: #065f46; }\n.status-beta { background: #fef3c7; color: #92400e; }\n.status-legacy { background: #fee2e2; color: #991b1b; }\n\n\/* Method tag *\/\n.method-tag {\n display: inline-block;\n background: var(--bg2);\n border: 1px solid var(--rule);\n padding: 0.15rem 0.5rem;\n border-radius: 4px;\n font-size: 0.8rem;\n color: var(--accent);\n margin-right: 0.4rem;\n margin-bottom: 0.3rem;\n}\n\n\/* Feature list *\/\n.feature-list {\n list-style: none;\n padding-left: 0;\n}\n\n.feature-list li {\n padding-left: 1.5rem;\n position: relative;\n}\n\n.feature-list li::before {\n content: \"\u2713\";\n position: absolute;\n left: 0;\n color: var(--accent);\n font-weight: bold;\n}\n<\/style>\n<\/head>\n<body>\n\n\n<div class=\"lang-bar\">\n <button id=\"btn-zh\" class=\"active\" onclick=\"switchLanguage('zh')\">\n \u4e2d\u6587<\/span>Chinese<\/span>\n <\/button>\n <button id=\"btn-en\" onclick=\"switchLanguage('en')\">\n English<\/span>English<\/span>\n <\/button>\n<\/div>\n\n<div class=\"container\">\n\n\n<div class=\"cover\">\n <h1>\u94bb\u5b54\u67f1\u72b6\u56fe\u5f00\u6e90\u5e93\u8be6\u89e3<\/span>Open-Source Libraries for Borehole Log Digitization<\/span><\/h1>\n <div class=\"subtitle\">Open-Source Libraries for Borehole Data<\/div>\n <div class=\"desc\">\u5168\u9762\u6c47\u603b\u94bb\u5b54\u6570\u636e\u63d0\u53d6\u3001\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u9886\u57df\u7684\u5f00\u6e90Python\u5e93\uff0c\u8be6\u7ec6\u8bf4\u660e\u5176\u529f\u80fd\u5b9a\u4f4d\u3001\u6838\u5fc3\u65b9\u6cd5\u4e0e\u9002\u7528\u573a\u666f\u3002<\/span>Comprehensive guide to open-source Python libraries for borehole data extraction, processing, and visualization.<\/span><\/div>\n<\/div>\n\n\n<nav class=\"toc\">\n <h2>\u76ee\u5f55<\/span>Table of Contents<\/span><\/h2>\n <ol>\n <li><a href=\"#overview\">\u6982\u8ff0<\/span>Overview<\/span><\/a><\/li>\n <li><a href=\"#extraction\">\u6570\u636e\u63d0\u53d6\u4e0e\u89e3\u6790\u7c7b<\/span>Data Extraction & Parsing<\/span><\/a><\/li>\n <li><a href=\"#processing\">\u6570\u636e\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u7c7b<\/span>Data Processing & Visualization<\/span><\/a><\/li>\n <li><a href=\"#other\">\u5176\u4ed6\u76f8\u5173\u5f00\u6e90\u9879\u76ee<\/span>Other Related Projects<\/span><\/a><\/li>\n <li><a href=\"#comparison\">\u5e93\u5bf9\u6bd4\u4e0e\u9009\u578b\u5efa\u8bae<\/span>Library Comparison & Selection<\/span><\/a><\/li>\n <\/ol>\n<\/nav>\n\n<section class=\"section\" id=\"overview\">\n\n<div class=\"section-icon\">\ud83d\udcd6<\/div>\n<h2>\u6982\u8ff0<\/span>Overview<\/span><\/h2>\n\n\u94bb\u5b54\u67f1\u72b6\u56fe\u6570\u5b57\u5316\u6d89\u53ca\u6570\u636e\u63d0\u53d6\u3001\u89e3\u6790\u3001\u5904\u7406\u3001\u53ef\u89c6\u5316\u7b49\u591a\u4e2a\u73af\u8282\u3002\u5f00\u6e90\u751f\u6001\u5728\u8fd9\u4e9b\u73af\u8282\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u652f\u6301\uff0c\u4e3b\u8981\u53ef\u5206\u4e3a\u4e09\u5927\u7c7b\uff1a<\/span>Borehole log digitization involves extraction, parsing, processing, and visualization. The open-source ecosystem provides rich tools across these stages, mainly in three categories:<\/span><\/p>\n\n<div class=\"card-grid\">\n<div class=\"card\">\n<div class=\"card-header\">\n\u6570\u636e\u63d0\u53d6\u4e0e\u89e3\u6790<\/span>Extraction & Parsing<\/span>\n<\/div>\n<div class=\"card-body\">\n\u4ecePDF\u62a5\u544a\u3001\u626b\u63cf\u56fe\u50cf\u3001CAD\u56fe\u4ef6\u4e2d\u63d0\u53d6\u7ed3\u6784\u5316\u94bb\u5b54\u6570\u636e\uff0c\u5305\u62ecdh2loop\u3001geotech-report-extraction\u3001parseplot\u3001GemGIS\u7b49\u3002<\/span>\nExtract structured borehole data from PDF reports, scanned images, and CAD files. Includes dh2loop, geotech-report-extraction, parseplot, GemGIS, etc.<\/span>\n<\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"card-header\">\n\u6570\u636e\u5904\u7406\u4e0e\u8d28\u63a7<\/span>Processing & QC<\/span>\n<\/div>\n<div class=\"card-body\">\n\u6d4b\u4e95\u6570\u636e\u8bfb\u53d6\u3001\u8d28\u91cf\u63a7\u5236\u3001\u66f2\u7ebf\u5408\u6210\u3001\u4e95\u659c\u8ba1\u7b97\u7b49\uff0c\u5305\u62eclasio\u3001welly\u3001PyBorehole\u3001borec_tool\u7b49\u3002<\/span>\nWell log reading, quality control, curve synthesis, deviation calculation. Includes lasio, welly, PyBorehole, borec_tool, etc.<\/span>\n<\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"card-header\">\n\u53ef\u89c6\u5316\u4e0e\u5efa\u6a21<\/span>Visualization & Modeling<\/span>\n<\/div>\n<div class=\"card-body\">\n\u5730\u5c42\u6761\u5e26\u7ed8\u5236\u3001\u4e09\u7ef4\u94bb\u5b54\u8f68\u8ff9\u3001\u5730\u8d28\u5efa\u6a21\u63a5\u53e3\uff0c\u5305\u62ecstriplog\u3001Baselode\u3001stresslog\u7b49\u3002<\/span>\nStratigraphic strip plotting, 3D well trajectory, geological modeling interfaces. Includes striplog, Baselode, stresslog, etc.<\/span>\n<\/div>\n<\/div>\n<\/div>\n\n<\/section>\n\n<section class=\"section\" id=\"extraction\">\n\n<div class=\"section-icon\">\ud83d\udce5<\/div>\n<h2>\u6570\u636e\u63d0\u53d6\u4e0e\u89e3\u6790\u7c7b<\/span>Data Extraction & Parsing Libraries<\/span><\/h2>\n\n<h3>dh2loop Active<\/span><\/h3>\nGitHub:<\/strong> <code>Loop3D\/dh2loop<\/code> | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u5730\u8d28\u94bb\u5b54\u65e5\u5fd7\u81ea\u52a8\u5316\u5904\u7406\u4e0e\u5206\u7c7b\u5f00\u6e90\u5e93\uff0c\u53d1\u8868\u4e8eGeoscientific Model Development (2026)\u3002<\/span>\nPositioning:<\/strong> Open-source library for automated geological drillhole log processing and classification, published in Geoscientific Model Development (2026).<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6570\u636e\u6e90\u63a5\u5165\uff1a<\/strong>\u4ece\u897f\u6fb3\u5730\u8d28\u8c03\u67e5\u5c40(WA Geological Survey)\u77ff\u4ea7\u52d8\u63a2\u62a5\u544a\u6570\u636e\u5e93\u4e2d\u81ea\u52a8\u63d0\u53d6\u94bb\u5b54\u6570\u636e<\/span>\nData Source Integration:<\/strong> Automatically extracts drillhole data from WA Geological Survey mineral exploration report databases<\/span><\/li>\n<li>\u6807\u51c6\u5316\u8f93\u51fa\uff1a<\/strong>\u5c06\u539f\u59cb\u975e\u7ed3\u6784\u5316\u62a5\u544a\u8f6c\u6362\u4e3a\u6807\u51c6\u95f4\u9694\u8868\uff0c\u5305\u62eccollar\uff08\u5b54\u53e3\uff09\u3001survey\uff08\u6d4b\u659c\uff09\u3001lithology\uff08\u5ca9\u6027\uff09\u4e09\u7c7b\u6838\u5fc3\u6570\u636e<\/span>\nStandardized Output:<\/strong> Converts raw unstructured reports into standard interval tables: collar, survey, and lithology<\/span><\/li>\n<li>\u6a21\u7cca\u5339\u914d\u7b97\u6cd5\uff1a<\/strong>\u57fa\u4e8e\u8bcd\u5e93(lexicon)\u548c\u6a21\u7cca\u5b57\u7b26\u4e32\u5339\u914d(fuzzy string matching)\u89e3\u51b3\u5ca9\u6027\u63cf\u8ff0\u547d\u540d\u4e0d\u4e00\u81f4\u95ee\u9898\uff0c86%\u7684\u5ca9\u6027\u6570\u636e\u53ef\u6210\u529f\u5339\u914d\u5230\u6807\u51c6\u8bcd\u5e93<\/span>\nFuzzy Matching:<\/strong> Uses lexicon-based fuzzy string matching to resolve inconsistent lithology naming; 86% match rate to standard lexicon<\/span><\/li>\n<li>\u591a\u7ea7\u5ca9\u6027\u5206\u7c7b\uff1a<\/strong>\u652f\u6301\u591a\u5c3a\u5ea6\u4e09\u7ef4\u5730\u8d28\u5efa\u6a21\u7684\u6570\u636e\u7f29\u653e\u9700\u6c42\uff0c\u53ef\u5c06\u8be6\u7ec6\u5ca9\u6027\u63cf\u8ff0\u5f52\u5e76\u4e3a\u4e0d\u540c\u7c92\u5ea6\u7684\u7c7b\u522b<\/span>\nMulti-level Classification:<\/strong> Supports data scaling for multi-scale 3D geological modeling by aggregating detailed descriptions<\/span><\/li>\n<\/ul>\n\n<h4>\u6280\u672f\u5b9e\u73b0\u7ec6\u8282<\/span>Technical Implementation<\/span><\/h4>\n<div class=\"tip-box\">\n\u63d0\u53d6\u7387\u6307\u6807\uff1a<\/span>Extraction Rates:<\/span><\/strong><br\/>\n\u5b54\u53e3\u6570\u636e(collar)\u63d0\u53d6\u7387 93%\uff0c\u6d4b\u659c\u6570\u636e(survey) 86%\uff0c\u5ca9\u6027\u6570\u636e(lithology) 34%<\/span>\nCollar extraction rate 93%, survey 86%, lithology 34%<\/span>\n<\/div>\n\n\u5173\u8054\u5e93\uff1a<\/strong>\u4e0elasio\uff08\u6d4b\u4e95\u6570\u636e\uff09\u3001welly\uff08\u6d4b\u4e95\u5904\u7406\uff09\u3001striplog\uff08\u5730\u5c42\u53ef\u89c6\u5316\uff09\u5f62\u6210\u751f\u6001\u4e92\u8865\u3002<\/span>\nEcosystem:<\/strong> Complements lasio (log data), welly (log processing), and striplog (stratigraphic visualization).<\/span><\/p>\n\n<h3>geotech-report-extraction Active<\/span><\/h3>\nPyPI:<\/strong> <code>geotech-report-extraction<\/code> (v0.5.6) | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u4ecePDF\u5ca9\u571f\u5de5\u7a0b\u62a5\u544a\u4e2d\u63d0\u53d6\u94bb\u5b54\u6570\u636e\uff0c\u8f93\u51faDIGGS 2.6 XML\u6807\u51c6\u683c\u5f0f\u3002<\/span>\nPositioning:<\/strong> Extracts borehole data from PDF geotechnical reports, outputs DIGGS 2.6 XML standard format.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6a21\u677f\u5316\u89e3\u6790\uff1a<\/strong>\u9488\u5bf9Langan\u3001Schnabel\u7b49\u5e38\u89c1\u5ca9\u571f\u62a5\u544a\u683c\u5f0f\u5185\u7f6e\u89e3\u6790\u6a21\u677f\uff0c\u652f\u6301\u571f\u5c42\u63cf\u8ff0\u3001SPT\u51fb\u6570\u3001\u5730\u4e0b\u6c34\u4f4d\u3001\u5b9e\u9a8c\u5ba4\u8bd5\u9a8c\u7ed3\u679c\u63d0\u53d6<\/span>\nTemplate Parsing:<\/strong> Built-in parsers for common formats (Langan, Schnabel), extracts soil descriptions, SPT N-values, groundwater levels, lab test results<\/span><\/li>\n<li>\u9875\u9762\u5206\u7c7b\u5668\uff1a<\/strong>\u57fa\u4e8eXGBoost\u7684\u673a\u5668\u5b66\u4e60\u9875\u9762\u5206\u7c7b\u5668\uff0c\u81ea\u52a8\u8bc6\u522bPDF\u4e2d\u7684\u94bb\u5b54\u65e5\u5fd7\u9875\u9762\u4e0e\u975e\u76f8\u5173\u9875\u9762<\/span>\nPage Classifier:<\/strong> XGBoost-based ML classifier automatically identifies borehole log pages vs. irrelevant pages in PDFs<\/span><\/li>\n<li>OCR\u6d41\u6c34\u7ebf\uff1a<\/strong>\u652f\u6301Azure Document Intelligence JSON\u8f93\u5165\uff0c\u53ef\u63a5\u5165\u4e91\u7aefOCR\u670d\u52a1\u5904\u7406\u626b\u63cf\u7248PDF<\/span>\nOCR Pipeline:<\/strong> Supports Azure Document Intelligence JSON input for cloud OCR processing of scanned PDFs<\/span><\/li>\n<li>\u89c6\u89c9\u5927\u6a21\u578b(\u53ef\u9009)\uff1a<\/strong>\u652f\u6301Claude\/GPT-4o\u7b49\u89c6\u89c9\u5927\u6a21\u578b\u4f5c\u4e3a\u5907\u7528\u63d0\u53d6\u5f15\u64ce\uff0c\u5904\u7406\u590d\u6742\u5e03\u5c40\u9875\u9762<\/span>\nVision LLM (Optional):<\/strong> Supports Claude\/GPT-4o as fallback extraction engine for complex layouts<\/span><\/li>\n<\/ul>\n\n<h4>\u5b89\u88c5\u4e0e\u4f9d\u8d56<\/span>Installation & Dependencies<\/span><\/h4>\n<pre><code>pip install geotech-report-extraction[all]<\/code><\/pre>\n\u53ef\u9009\u4f9d\u8d56\u5206\u7ec4\uff1a<\/span>Optional dependency groups:<\/span><\/p>\n<ul>\n<li><code>pdf<\/code> \u2014 PyMuPDF PDF\u6587\u672c\u63d0\u53d6<\/span>PDF text extraction<\/span><\/li>\n<li><code>ocr<\/code> \u2014 Tesseract \u672c\u5730OCR<\/span>Local OCR<\/span><\/li>\n<li><code>vision<\/code> \u2014 LLM \u89c6\u89c9\u5927\u6a21\u578b<\/span>Vision LLM<\/span><\/li>\n<li><code>geo<\/code> \u2014 \u5730\u7406\u7a7a\u95f4\u5904\u7406<\/span>Geospatial processing<\/span><\/li>\n<\/ul>\n\n<h3>parseplot Active<\/span><\/h3>\nPyPI:<\/strong> <code>parseplot<\/code> (v0.2.1) | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u4ecePDF\u5ca9\u571f\u5de5\u7a0b\u62a5\u544a\u4e2d\u63d0\u53d6\u5ca9\u571f\u6570\u636e\u7684\u4e13\u7528\u5de5\u5177\u5305\uff0c\u5c24\u5176\u9488\u5bf9dotPLOT\u548chotPLOT\u683c\u5f0f\u4f18\u5316\u3002<\/span>\nPositioning:<\/strong> Specialized toolkit for extracting geotechnical data from PDF reports, optimized for dotPLOT and hotPLOT formats.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>Borehole Parser\uff1a<\/strong>\u4e13\u95e8\u5904\u7406dotPLOT\u548chotPLOT\u683c\u5f0f\u7684\u94bb\u5b54\u65e5\u5fd7\uff08\u6bcf\u9875\u4e00\u4e2a\u94bb\u5b54\uff09\uff0c\u8f93\u51fa\u4e24\u7c7b\u957f\u683c\u5f0fCSV\uff1a<\/span>\nBorehole Parser:<\/strong> Handles dotPLOT\/hotPLOT format logs (one borehole per page), outputs two types of long-format CSV:<\/span>\n <ul>\n <li>\u5ca9\u6027\u95f4\u9694\u8868\uff1a\u7269\u8d28\u63cf\u8ff0\u3001\u6df1\u5ea6\u8fb9\u754c\u3001\u6c34\u4f4d\u4fe1\u606f<\/span>Lithology intervals: material description, depth boundaries, water levels<\/span><\/li>\n <li>\u94bb\u8fdb\u56de\u6b21\u8868\uff1a\u94bb\u8fdb\u65b9\u6cd5\u3001RQD\u3001\u5ca9\u82af\u91c7\u53d6\u7387\u3001SPT-N\u503c<\/span>Drilling runs: method, RQD, core recovery, SPT-N values<\/span><\/li>\n <\/ul>\n<\/li>\n<li>Test Pit Parser\uff1a<\/strong>\u5904\u7406\u8868\u683c\u5316\u5ca9\u571f\u52d8\u5bdf\u62a5\u544a\u4e2d\u7684\u63a2\u5751\u6570\u636e<\/span>\nTest Pit Parser:<\/strong> Processes test pit data from tabulated geotechnical investigation reports<\/span><\/li>\n<\/ul>\n\n<div class=\"tip-box\">\n\u751f\u6001\u7cfb\u7edf\uff1a<\/span>Ecosystem:<\/span><\/strong>\nparseplot\u96c6\u6210\u4e8eMaplyticX\u5730\u7406\u7a7a\u95f4\u53ef\u89c6\u5316\u751f\u6001\u7cfb\u7edf\uff0c\u63d0\u53d6\u7684\u6570\u636e\u53ef\u76f4\u63a5\u8fdb\u5165\u4e0b\u6e38GIS\u5206\u6790\u6d41\u7a0b\u3002<\/span>\nparseplot is integrated into the MaplyticX geospatial visualization ecosystem; extracted data flows directly into downstream GIS analysis.<\/span>\n<\/div>\n\n<h3>GemGIS Active<\/span><\/h3>\n\u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python | \u6559\u7a0b<\/span>Tutorial<\/span>:<\/strong> Jupyter Notebook #26 (Working with Well Data)<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u5730\u7406\u7a7a\u95f4\u5730\u8d28\u6570\u636e\u5904\u7406Python\u5e93\uff0c\u63d0\u4f9b\u4ece\u5730\u8d28\u8c03\u67e5\u5c40\u53d1\u5e03\u7684\u94bb\u5b54\u65e5\u5fd7PDF\/\u6587\u6863\u4e2d\u63d0\u53d6\u4f4d\u7f6e\u548c\u5730\u5c42\u6570\u636e\u7684\u529f\u80fd\u3002<\/span>\nPositioning:<\/strong> Geospatial geological data processing library, provides functions to extract borehole locations and stratigraphic data from GSQ-published log PDFs\/documents.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>PDF\u6570\u636e\u63d0\u53d6\uff1a<\/strong>\u89e3\u6790\u5730\u8d28\u8c03\u67e5\u5c40\u53d1\u5e03\u7684\u94bb\u5b54\u65e5\u5fd7\u6587\u6863\uff0c\u81ea\u52a8\u63d0\u53d6\u94bb\u5b54\u4f4d\u7f6e\u5750\u6807\u548c\u5206\u5c42\u5730\u5c42\u6570\u636e<\/span>\nPDF Data Extraction:<\/strong> Parses GSQ-published borehole log documents, auto-extracts coordinates and stratigraphic intervals<\/span><\/li>\n<li>GeoDataFrame\u96c6\u6210\uff1a<\/strong>\u63d0\u53d6\u7ed3\u679c\u76f4\u63a5\u8f93\u51fa\u4e3aGeoPandas GeoDataFrame\uff0c\u4fbf\u4e8e\u4e0eGIS\u5de5\u4f5c\u6d41\u96c6\u6210<\/span>\nGeoDataFrame Integration:<\/strong> Outputs GeoPandas GeoDataFrames for seamless GIS workflow integration<\/span><\/li>\n<li>\u53ef\u89c6\u5316\u6559\u7a0b\uff1a<\/strong>\u63d0\u4f9b\u5b8c\u6574\u7684Jupyter Notebook\u6559\u7a0b\uff0826\u53f7\u6559\u7a0b\uff09\uff0c\u6f14\u793a\u4ece\u6570\u636e\u63d0\u53d6\u5230\u53ef\u89c6\u5316\u7684\u5b8c\u6574\u6d41\u7a0b<\/span>\nVisualization Tutorials:<\/strong> Complete Jupyter Notebook tutorial (#26) demonstrating full extraction-to-visualization workflow<\/span><\/li>\n<\/ul>\n\n<pre><code>pip install gemgis<\/code><\/pre>\n\n<\/section>\n\n<section class=\"section\" id=\"processing\">\n\n<div class=\"section-icon\">\u2699\ufe0f<\/div>\n<h2>\u6570\u636e\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u7c7b<\/span>Data Processing & Visualization Libraries<\/span><\/h2>\n\n<h3>striplog Active<\/span><\/h3>\n\u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u5730\u5c42\u6761\u5e26\u8bb0\u5f55\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u5de5\u5177\uff0c\u4e13\u6ce8\u4e8e\u5ca9\u6027\u67f1\u7684\u521b\u5efa\u3001\u7f16\u8f91\u548c\u7f8e\u89c2\u6e32\u67d3\u3002<\/span>\nPositioning:<\/strong> Stratigraphic strip record processing and visualization tool, focused on lithology column creation, editing, and aesthetic rendering.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6761\u5e26\u5bf9\u8c61\u6a21\u578b\uff1a<\/strong>\u6bcf\u4e2a\u5ca9\u77f3\u5355\u4f4d(rock unit)\u53ef\u5305\u542b\u8be6\u7ec6\u63cf\u8ff0\u3001\u989c\u8272\u3001\u7b26\u53f7\u3001\u539a\u5ea6\u7b49\u5c5e\u6027\uff0c\u652f\u6301\u4efb\u610f\u590d\u6742\u5ea6\u7684\u5730\u5c42\u5e8f\u5217<\/span>\nStrip Object Model:<\/strong> Each rock unit can contain detailed description, color, pattern, thickness; supports arbitrarily complex stratigraphic sequences<\/span><\/li>\n<li>CSV\u5bfc\u5165\u5bfc\u51fa\uff1a<\/strong>\u652f\u6301\u4ece\u6807\u51c6CSV\u683c\u5f0f\u52a0\u8f7d\u548c\u4fdd\u5b58\u5730\u5c42\u6570\u636e\uff0c\u4fbf\u4e8e\u4e0e\u5176\u4ed6\u5de5\u5177\u4ea4\u6362<\/span>\nCSV I\/O:<\/strong> Supports loading and saving stratigraphic data from standard CSV format<\/span><\/li>\n<li>\u5185\u7f6e\u6e32\u67d3\u5f15\u64ce\uff1a<\/strong>\u57fa\u4e8eMatplotlib\u7ed8\u5236\u4e13\u4e1a\u5730\u8d28\u67f1\u72b6\u56fe\uff0c\u652f\u6301\u5ca9\u6027\u82b1\u7eb9\u586b\u5145\u3001\u989c\u8272\u6620\u5c04\u3001\u6bd4\u4f8b\u5c3a\u63a7\u5236<\/span>\nBuilt-in Rendering:<\/strong> Matplotlib-based professional geological column plotting with lithology pattern fills, color mapping, scale control<\/span><\/li>\n<li>\u79d1\u5b66\u8ba1\u7b97\u96c6\u6210\uff1a<\/strong>\u4e0eNumPy\u3001Matplotlib\u65e0\u7f1d\u96c6\u6210\uff0c\u652f\u6301\u6570\u503c\u5206\u6790\u548c\u81ea\u5b9a\u4e49\u7ed8\u56fe<\/span>\nScientific Computing:<\/strong> Seamless integration with NumPy and Matplotlib for numerical analysis and custom plotting<\/span><\/li>\n<\/ul>\n\n<pre><code>pip install striplog<\/code><\/pre>\n\n<h3>welly Active<\/span><\/h3>\n\u5f00\u53d1\u5546<\/span>Developer<\/span>:<\/strong> Agile Scientific | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u6d4b\u4e95\u6570\u636e\u5904\u7406\u4e0e\u8d28\u91cf\u63a7\u5236\u5de5\u5177\u5e93\uff0c\u9762\u5411\u77f3\u6cb9\u5730\u8d28\u548c\u77ff\u4ea7\u52d8\u63a2\u9886\u57df\u7684\u6d4b\u4e95\u5206\u6790\u3002<\/span>\nPositioning:<\/strong> Well log data processing and quality control toolkit for petroleum geology and mineral exploration log analysis.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>LAS\u6587\u4ef6\u52a0\u8f7d\uff1a<\/strong>\u4eceLAS\u6587\u4ef6\u52a0\u8f7d\u5355\u4e95\u6216\u591a\u4e95\u9879\u76ee\uff0c\u4e0elasio\u6df1\u5ea6\u96c6\u6210<\/span>\nLAS Loading:<\/strong> Load single or multi-well projects from LAS files, deeply integrated with lasio<\/span><\/li>\n<li>\u66f2\u7ebf\u8d28\u91cf\u63a7\u5236\uff1a<\/strong>\u63d0\u4f9b\u6d4b\u4e95\u66f2\u7ebf\u7684\u8d28\u91cf\u8bc4\u4f30\u65b9\u6cd5\uff0c\u5305\u62ec\u5f02\u5e38\u503c\u68c0\u6d4b\u3001\u6570\u636e\u5b8c\u6574\u6027\u68c0\u67e5<\/span>\nCurve QC:<\/strong> Quality assessment methods including outlier detection and data completeness checks<\/span><\/li>\n<li>\u66f2\u7ebf\u522b\u540d\u7ba1\u7406\uff1a<\/strong>\u667a\u80fd\u8bc6\u522b\u548c\u5904\u7406\u540c\u4e00\u7269\u7406\u91cf\u5728\u4e0d\u540c\u6d4b\u4e95\u4e2d\u7684\u4e0d\u540c\u547d\u540d\uff08\u5982GR\/GAMMA\/RHOB\u7b49\u522b\u540d\u7edf\u4e00\uff09<\/span>\nCurve Alias Management:<\/strong> Intelligently recognizes and unifies different mnemonics for the same physical measurement<\/span><\/li>\n<li>\u66f2\u7ebf\u5408\u6210\u4e0e\u4ea4\u4f1a\u56fe\uff1a<\/strong>\u652f\u6301\u66f2\u7ebf\u6570\u5b66\u8fd0\u7b97\u3001\u5408\u6210\u65b0\u66f2\u7ebf\uff0c\u4ee5\u53ca\u4ea4\u4f1a\u56fe(crossplot)\u5206\u6790<\/span>\nCurve Synthesis & Crossplots:<\/strong> Mathematical operations on curves, new curve generation, and crossplot analysis<\/span><\/li>\n<\/ul>\n\n\u6587\u6863:<\/strong> <code>code.agilescientific.com\/welly<\/code><\/p>\n\n<h3>lasio Active<\/span><\/h3>\nPyPI:<\/strong> <code>lasio<\/code> (v0.32) | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>LAS\uff08Log ASCII Standard\uff09\u6587\u4ef6\u8bfb\u5199\u7684\u57fa\u7840\u5e93\uff0c\u662f\u6d4b\u4e95\u6570\u636e\u5904\u7406\u7684\u57fa\u77f3\u3002<\/span>\nPositioning:<\/strong> Foundation library for LAS (Log ASCII Standard) file reading\/writing, the cornerstone of well log data processing.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u7248\u672c\u652f\u6301\uff1a<\/strong>\u5b8c\u6574\u652f\u6301LAS 1.2\u548c2.0\u7248\u672c\uff0cLAS 3.0\u7248\u672c\u5f00\u53d1\u4e2d<\/span>\nVersion Support:<\/strong> Full support for LAS 1.2 and 2.0, LAS 3.0 in development<\/span><\/li>\n<li>\u9c81\u68d2\u89e3\u6790\uff1a<\/strong>\u517c\u5bb9\u5e38\u89c1\u9519\u8bef\u548c\u975e\u6807\u51c6\u683c\u5f0f\uff0c\u5982\u7f3a\u5931\u5934\u90e8\u3001\u4e0d\u4e00\u81f4\u7684\u7a7a\u503c\u6807\u8bb0\u3001\u683c\u5f0f\u504f\u5dee\u7b49<\/span>\nRobust Parsing:<\/strong> Tolerates common errors and non-standard formats: missing headers, inconsistent null markers, format deviations<\/span><\/li>\n<li>pandas\u96c6\u6210\uff1a<\/strong>\u53ef\u76f4\u63a5\u8f6c\u6362\u4e3apandas DataFrame\uff0c\u4fbf\u4e8e\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u673a\u5668\u5b66\u4e60<\/span>\npandas Integration:<\/strong> Direct conversion to pandas DataFrame for data analysis and machine learning<\/span><\/li>\n<li>\u7a7a\u503c\u5904\u7406\uff1a<\/strong>\u81ea\u52a8\u8bc6\u522bLAS\u6807\u51c6\u7a7a\u503c\uff08\u5982-999.25\uff09\u5e76\u6b63\u786e\u5904\u7406<\/span>\nNull Handling:<\/strong> Automatically recognizes LAS standard null values (e.g., -999.25) and handles them correctly<\/span><\/li>\n<li>\u6279\u91cf\u5904\u7406\uff1a<\/strong>\u652f\u6301\u591a\u53e3\u4e95\u7684\u6279\u91cf\u8bfb\u53d6\u548c\u5904\u7406<\/span>\nBatch Processing:<\/strong> Supports batch reading and processing of multiple wells<\/span><\/li>\n<\/ul>\n\n<pre><code>pip install lasio<\/code><\/pre>\n\n<h3>PyBorehole Active<\/span><\/h3>\nGitHub:<\/strong> <code>AlexanderJuestel\/pyborehole<\/code> | Language<\/span>\u8bed\u8a00<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u94bb\u5b54\u6570\u636e\u5904\u7406\u4e0e\u53ef\u89c6\u5316\u5e93\uff0c\u529f\u80fd\u5b9a\u4f4d\u7c7b\u4f3cwelly\u4f46\u66f4\u805a\u7126\u94bb\u5b54\u5de5\u7a0b\u6570\u636e\u3002<\/span>\nPositioning:<\/strong> Borehole data processing and visualization library, similar to welly but more focused on drilling engineering data.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6d4b\u4e95\u66f2\u7ebf\u53ef\u89c6\u5316\uff1a<\/strong>\u57fa\u4e8elasio\u8bfb\u53d6LAS\u6587\u4ef6\uff0c\u63d0\u4f9b\u6d4b\u4e95\u66f2\u7ebf\u7684\u4e13\u4e1a\u53ef\u89c6\u5316<\/span>\nLog Visualization:<\/strong> Reads LAS files via lasio, provides professional log curve visualization<\/span><\/li>\n<li>\u4e95\u659c\u8f68\u8ff9\u5904\u7406\uff1a<\/strong>\u57fa\u4e8ewellpathpy\u5904\u7406\u4e95\u659c\u6570\u636e\uff0c\u8ba1\u7b97\u771f\u5b9e\u5782\u76f4\u6df1\u5ea6(TVD)\u548c\u4e09\u7ef4\u7a7a\u95f4\u8f68\u8ff9<\/span>\nDeviation Survey:<\/strong> Uses wellpathpy to process deviation data, calculate TVD and 3D spatial trajectory<\/span><\/li>\n<li>\u8131\u9776\u8ba1\u7b97\uff1a<\/strong>\u652f\u6301\u4e95\u773c\u8f68\u8ff9\u4e0e\u76ee\u6807\u9776\u533a\u7684\u504f\u79bb\u8ba1\u7b97<\/span>\nTarget Miss Distance:<\/strong> Calculates deviation between wellbore trajectory and target zone<\/span><\/li>\n<li>BoreholeML\u89e3\u6790\uff1a<\/strong>\u89e3\u6790BoreholeML\u683c\u5f0f\u7684XML\u6587\u4ef6\uff0c\u652f\u6301\u5fb7\u56fd\u6807\u51c6\u7684\u94bb\u5b54\u6570\u636e\u4ea4\u6362\u683c\u5f0f<\/span>\nBoreholeML Parsing:<\/strong> Parses BoreholeML XML files, supports German standard borehole data exchange format<\/span><\/li>\n<\/ul>\n\n<h3>borec_tool Beta<\/span><\/h3>\n\u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u9762\u5411\u5730\u7403\u79d1\u5b66\u7684\u94bb\u5b54\u5206\u6790\u4e13\u7528\u5de5\u5177\u5e93\uff0c\u5f3a\u8c03\u5730\u8d28\u5b66\u672f\u8bed\u5230\u6570\u636e\u7ed3\u6784\u7684\u76f4\u63a5\u6620\u5c04\u3002<\/span>\nPositioning:<\/strong> Dedicated drilling analysis toolkit for geosciences, emphasizes direct mapping of geological terminology to data structures.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u91ce\u5916\u8bb0\u5f55\u89e3\u6790\uff1a<\/strong>\u5c06\u91ce\u5916\u7eb8\u8d28\/\u7535\u5b50\u539f\u59cb\u8bb0\u5f55\u89e3\u6790\u4e3a\u7ed3\u6784\u5316\u6570\u636e\u6a21\u578b<\/span>\nField Record Parsing:<\/strong> Parses paper\/electronic field records into structured data models<\/span><\/li>\n<li>\u81ea\u52a8\u6210\u56fe\uff1a<\/strong>\u5730\u5c42\u67f1\u72b6\u56fe\u81ea\u52a8\u7ed8\u5236\u7b97\u6cd5\uff0c\u6839\u636e\u5ca9\u6027\u7f16\u7801\u81ea\u52a8\u9009\u62e9\u82b1\u7eb9\u548c\u989c\u8272<\/span>\nAuto Plotting:<\/strong> Automated stratigraphic column plotting, auto-selects patterns and colors from lithology codes<\/span><\/li>\n<li>\u7ed3\u6784\u5316\u5efa\u6a21\uff1a<\/strong>\u5ca9\u6027\u3001\u542b\u6c34\u5c42\u3001\u53d6\u6837\u4fe1\u606f\u7684\u5730\u8d28\u6570\u636e\u6a21\u578b<\/span>\nStructured Modeling:<\/strong> Geological data models for lithology, aquifers, and sampling information<\/span><\/li>\n<li>\u6807\u51c6\u5316\u62a5\u544a\uff1a<\/strong>\u6309\u884c\u4e1a\u6807\u51c6\u81ea\u52a8\u751f\u6210\u94bb\u5b54\u62a5\u544a\u6587\u6863<\/span>\nStandardized Reporting:<\/strong> Auto-generates borehole report documents per industry standards<\/span><\/li>\n<li>\u591a\u5b54\u7a7a\u95f4\u5206\u6790\uff1a<\/strong>\u591a\u94bb\u5b54\u8054\u5408\u7a7a\u95f4\u5206\u6790\uff0c\u652f\u6301\u5256\u9762\u56fe\u548c\u5e73\u9762\u56fe\u751f\u6210<\/span>\nMulti-borehole Spatial Analysis:<\/strong> Joint spatial analysis of multiple boreholes, supports section and plan view generation<\/span><\/li>\n<li>\u4e09\u7ef4\u5efa\u6a21\u63a5\u53e3\uff1a<\/strong>\u63d0\u4f9b\u4e0e\u4e09\u7ef4\u5730\u8d28\u5efa\u6a21\u8f6f\u4ef6\u7684\u6570\u636e\u4ea4\u6362\u63a5\u53e3<\/span>\n3D Modeling Interface:<\/strong> Data exchange interfaces with 3D geological modeling software<\/span><\/li>\n<\/ul>\n\n<div class=\"tip-box success\">\n\u8bbe\u8ba1\u7406\u5ff5\uff1a<\/span>Design Philosophy:<\/span><\/strong>\n\u5c06\u5730\u8d28\u5b66\u672f\u8bed\uff08\u5c42\u9876\u6df1\u3001\u5c42\u5e95\u6df1\u3001RQD\u3001SPT\u51fb\u6570\u7b49\uff09\u76f4\u63a5\u6620\u5c04\u4e3a\u53ef\u7f16\u7a0b\u6570\u636e\u7ed3\u6784\uff0c\u964d\u4f4e\u5730\u8d28\u4eba\u5458\u7f16\u7a0b\u95e8\u69db\u3002<\/span>\nMaps geological terms (top depth, bottom depth, RQD, SPT N-values, etc.) directly to programmable data structures, lowering the programming barrier for geologists.<\/span>\n<\/div>\n\n<h3>Baselode Active<\/span><\/h3>\n\u8bed\u8a00<\/span>Languages<\/span>:<\/strong> Python, JavaScript | \u6587\u6863<\/span>Docs<\/span>:<\/strong> <code>docs.baselode.net<\/code><\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u5f00\u6e90\u77ff\u4ea7\u52d8\u63a2\u5de5\u5177\u5305\uff0c\u63d0\u4f9bPython\u548cJavaScript\u53cc\u8bed\u8a00\u7248\u672c\uff0c\u8986\u76d6\u4ece\u6570\u636e\u52a0\u8f7d\u5230\u4e09\u7ef4\u53ef\u89c6\u5316\u7684\u5168\u6d41\u7a0b\u3002<\/span>\nPositioning:<\/strong> Open-source mineral exploration toolkit with Python and JavaScript versions, covering full workflow from data loading to 3D visualization.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6570\u636e\u52a0\u8f7d\u4e0e\u6807\u51c6\u5316\uff1a<\/strong>\u4eceCSV\/Parquet\/SQL\u5bfc\u5165\u5e76\u6807\u51c6\u5316\u94bb\u5b54\u5b54\u53e3(collar)\u3001\u6d4b\u659c(survey)\u3001\u5316\u9a8c(assay)\u3001\u5ca9\u571f\u95f4\u9694\u6570\u636e<\/span>\nData Loading & Standardization:<\/strong> Imports and standardizes collar, survey, assay, and geotechnical interval data from CSV\/Parquet\/SQL<\/span><\/li>\n<li>\u8131\u9776\u8ba1\u7b97\u65b9\u6cd5\uff1a<\/strong>\u652f\u6301\u6700\u5c0f\u66f2\u7387\u6cd5(minimum curvature)\u3001\u5207\u7ebf\u6cd5(tangential)\u3001\u5e73\u8861\u5207\u7ebf\u6cd5(balanced tangential)\u4e09\u79cd\u884c\u4e1a\u6807\u51c6\u7b97\u6cd5<\/span>\nDeviation Calculation:<\/strong> Supports minimum curvature, tangential, and balanced tangential methods \u2014 three industry-standard algorithms<\/span><\/li>\n<li>2D\u6761\u5e26\u65e5\u5fd7\uff1a<\/strong>\u57fa\u4e8ePlotly\u7684\u591a\u8f68\u9053(multi-track)\u6761\u5e26\u56fe\uff0c\u652f\u6301\u4ea4\u4e92\u5f0f\u7f29\u653e\u548c\u66f2\u7ebf\u53e0\u52a0<\/span>\n2D Strip Logs:<\/strong> Plotly-based multi-track strip charts with interactive zooming and curve overlay<\/span><\/li>\n<li>3D\u573a\u666f\uff1a<\/strong>Three.js\u9a71\u52a8\u76843D\u67e5\u770b\u5668\uff0c\u652f\u6301\u94bb\u5b54\u8f68\u8ff9\u3001\u5ca9\u6027\u67f1\u3001\u5316\u9a8c\u7ed3\u679c\u7684\u4e09\u7ef4\u4ea4\u4e92\u5c55\u793a<\/span>\n3D Scene:<\/strong> Three.js-powered 3D viewer supporting interactive display of well trajectories, lithology columns, and assay results<\/span><\/li>\n<\/ul>\n\n<h3>stresslog Active<\/span><\/h3>\nPyPI:<\/strong> <code>stresslog<\/code> | \u8bed\u8a00<\/span>Language<\/span>:<\/strong> Python<\/p>\n\n\u5b9a\u4f4d\uff1a<\/strong>\u57fa\u4e8e\u6d4b\u4e95\u66f2\u7ebf\u7684\u5730\u5e94\u529b\u8ba1\u7b97\u5e93\uff0c\u9762\u5411\u94bb\u4e95\u5de5\u7a0b\u548c\u4e95\u58c1\u7a33\u5b9a\u6027\u5206\u6790\u3002<\/span>\nPositioning:<\/strong> Geomechanical stress calculation library based on well logs, for drilling engineering and wellbore stability analysis.<\/span><\/p>\n\n<h4>\u6838\u5fc3\u529f\u80fd\u4e0e\u65b9\u6cd5<\/span>Core Functions & Methods<\/span><\/h4>\n<ul>\n<li>\u6570\u636e\u5bfc\u5165\uff1a<\/strong>\u4eceLAS\/DLIS\u6587\u4ef6\u5bfc\u5165\u6d4b\u4e95\u6570\u636e<\/span>\nData Import:<\/strong> Imports log data from LAS\/DLIS files<\/span><\/li>\n<li>\u5b54\u9699\u538b\u529b\u8ba1\u7b97\uff1a<\/strong>\u57fa\u4e8e\u6d4b\u4e95\u54cd\u5e94\uff08\u5982\u58f0\u6ce2\u3001\u7535\u963b\u7387\uff09\u8ba1\u7b97\u5730\u5c42\u5b54\u9699\u538b\u529b\u5256\u9762<\/span>\nPore Pressure:<\/strong> Calculates formation pore pressure profiles from log responses (sonic, resistivity)<\/span><\/li>\n<li>\u5730\u5e94\u529b\u5206\u91cf\u8ba1\u7b97\uff1a<\/strong>\u8ba1\u7b97\u5782\u76f4\u5e94\u529b\u3001\u6700\u5c0f\/\u6700\u5927\u6c34\u5e73\u4e3b\u5e94\u529b<\/span>\nStress Components:<\/strong> Calculates vertical stress and minimum\/maximum horizontal principal stresses<\/span><\/li>\n<li>\u4e95\u58c1\u7a33\u5b9a\u6027\u5206\u6790\uff1a<\/strong>\u57fa\u4e8e\u5e94\u529b\u72b6\u6001\u9884\u6d4b\u4e95\u58c1\u574d\u584c\u548c\u7834\u88c2\u98ce\u9669<\/span>\nWellbore Stability:<\/strong> Predicts wellbore collapse and fracturing risks based on stress state<\/span><\/li>\n<li>\u7ed3\u679c\u5bfc\u51fa\uff1a<\/strong>\u652f\u6301CSV\u548cLAS\u683c\u5f0f\u7ed3\u679c\u8f93\u51fa<\/span>\nResult Export:<\/strong> Supports CSV and LAS format output<\/span><\/li>\n<\/ul>\n\n<\/section>\n\n<section class=\"section\" id=\"other\">\n\n<div class=\"section-icon\">\ud83d\udd27<\/div>\n<h2>\u5176\u4ed6\u76f8\u5173\u5f00\u6e90\u9879\u76ee<\/span>Other Related Open-Source Projects<\/span><\/h2>\n\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u9879\u76ee\u540d<\/span>Project<\/span><\/th>\n<th>\u8bed\u8a00<\/span>Language<\/span><\/th>\n<th>\u529f\u80fd\u5b9a\u4f4d<\/span>Function<\/span><\/th>\n<th>\u9002\u7528\u573a\u666f<\/span>Use Case<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>dliswriter<\/code><\/td>\n<td>Python<\/td>\n<td>\u5199\u5165DLIS\u683c\u5f0f\u6d4b\u4e95\u6587\u4ef6\uff08RP66V1\u6807\u51c6\uff09<\/span>Write DLIS format log files (RP66V1 standard)<\/span><\/td>\n<td>\u6d4b\u4e95\u6570\u636e\u5f52\u6863\u4e0e\u4ea4\u6362<\/span>Log data archiving and exchange<\/span><\/td>\n<\/tr>\n<tr>\n<td><code>logASCII_viewer<\/code><\/td>\n<td>Python<\/td>\n<td>\u57fa\u4e8eStreamlit\u7684LAS\u6587\u4ef6\u4ea4\u4e92\u5f0f\u67e5\u770b\u5668<\/span>Streamlit-based interactive LAS file viewer<\/span><\/td>\n<td>\u5feb\u901f\u6d4f\u89c8\u6d4b\u4e95\u6570\u636e<\/span>Quick log data browsing<\/span><\/td>\n<\/tr>\n<tr>\n<td><code>Wellbore_Stability<\/code><\/td>\n<td>MATLAB<\/td>\n<td>\u4e95\u58c1\u7a33\u5b9a\u6027\u8ba1\u7b97\uff08Mohr-Coulomb\u51c6\u5219\uff09<\/span>Wellbore stability (Mohr-Coulomb criterion)<\/span><\/td>\n<td>\u94bb\u4e95\u5de5\u7a0b\u5b89\u5168\u5206\u6790<\/span>Drilling engineering safety analysis<\/span><\/td>\n<\/tr>\n<tr>\n<td><code>Interactive-Well-Trajectory-Plot<\/code><\/td>\n<td>Python<\/td>\n<td>\u57fa\u4e8ePlotly\u7684\u4ea4\u4e92\u5f0f\u4e95\u8f68\u8ff9\u53ef\u89c6\u5316<\/span>Plotly-based interactive well trajectory visualization<\/span><\/td>\n<td>\u5b9a\u5411\u4e95\u8f68\u8ff9\u5206\u6790<\/span>Directional well trajectory analysis<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<\/section>\n\n<section class=\"section\" id=\"comparison\">\n\n<div class=\"section-icon\">\u2696\ufe0f<\/div>\n<h2>\u5e93\u5bf9\u6bd4\u4e0e\u9009\u578b\u5efa\u8bae<\/span>Library Comparison & Selection Guide<\/span><\/h2>\n\n<h3>\u6309\u5e94\u7528\u573a\u666f\u9009\u578b<\/span>Selection by Application Scenario<\/span><\/h3>\n\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u5e94\u7528\u573a\u666f<\/span>Scenario<\/span><\/th>\n<th>\u63a8\u8350\u5e93<\/span>Recommended Libraries<\/span><\/th>\n<th>\u8bf4\u660e<\/span>Notes<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4ecePDF\u5ca9\u571f\u62a5\u544a\u63d0\u53d6\u6570\u636e<\/span>Extract from PDF geotech reports<\/span><\/td>\n<td>geotech-report-extraction, parseplot<\/td>\n<td>\u524d\u8005\u652f\u6301DIGGS\u8f93\u51fa\uff0c\u540e\u8005\u4e13\u6ce8dotPLOT\/hotPLOT<\/span>Former outputs DIGGS; latter focuses on dotPLOT\/hotPLOT<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u4ece\u653f\u5e9c\u5730\u8d28\u6570\u636e\u5e93\u63d0\u53d6<\/span>Extract from government geological DBs<\/span><\/td>\n<td>dh2loop, GemGIS<\/td>\n<td>dh2loop\u9488\u5bf9\u897f\u6fb3\u6570\u636e\u5e93\uff0cGemGIS\u9488\u5bf9\u6606\u58eb\u5170<\/span>dh2loop for WA; GemGIS for Queensland<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u6d4b\u4e95\u6570\u636e\u8bfb\u53d6\u4e0e\u8d28\u63a7<\/span>Log reading & QC<\/span><\/td>\n<td>lasio + welly<\/td>\n<td>\u9ec4\u91d1\u7ec4\u5408\uff1alasio\u8bfb\u53d6\uff0cwelly\u505a\u8d28\u63a7\u548c\u5206\u6790<\/span>Golden combo: lasio reads, welly does QC and analysis<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u5730\u5c42\u67f1\u72b6\u56fe\u7ed8\u5236<\/span>Stratigraphic column plotting<\/span><\/td>\n<td>striplog, borec_tool<\/td>\n<td>striplog\u66f4\u901a\u7528\uff0cborec_tool\u66f4\u8d34\u5408\u56fd\u5185\u89c4\u8303<\/span>striplog more general; borec_tool closer to Chinese standards<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u4e95\u659c\u8ba1\u7b97\u4e0e\u4e09\u7ef4\u8f68\u8ff9<\/span>Deviation & 3D trajectory<\/span><\/td>\n<td>PyBorehole, Baselode<\/td>\n<td>Baselode\u63d0\u4f9bJS\/Python\u53cc\u7248\u672c\u548c3D\u53ef\u89c6\u5316<\/span>Baselode provides JS\/Python dual versions and 3D visualization<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u5730\u5e94\u529b\u4e0e\u4e95\u58c1\u7a33\u5b9a<\/span>Geomechanics & stability<\/span><\/td>\n<td>stresslog, Wellbore_Stability<\/td>\n<td>stresslog\u4e3aPython\uff0cWellbore_Stability\u4e3aMATLAB<\/span>stresslog in Python; Wellbore_Stability in MATLAB<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<h3>\u6280\u672f\u6808\u7ec4\u5408\u5efa\u8bae<\/span>Recommended Tech Stack Combinations<\/span><\/h3>\n\n<div class=\"tip-box\">\n\u6807\u51c6\u6d4b\u4e95\u5206\u6790\u6808<\/span>Standard Log Analysis Stack:<\/span><\/strong><br\/>\n<code>lasio<\/code> \u2192 <code>welly<\/code> \u2192 <code>striplog<\/code><br\/>\n\u8bfb\u53d6 \u2192 \u8d28\u63a7\u5206\u6790 \u2192 \u53ef\u89c6\u5316<\/span>\nRead \u2192 QC\/Analysis \u2192 Visualize<\/span>\n<\/div>\n\n<div class=\"tip-box\">\nPDF\u6570\u5b57\u5316\u6808<\/span>PDF Digitization Stack:<\/span><\/strong><br\/>\n<code>geotech-report-extraction<\/code> \/ <code>parseplot<\/code> \u2192 <code>pandas<\/code> \u2192 <code>striplog<\/code><br\/>\n\u63d0\u53d6 \u2192 \u6570\u636e\u5904\u7406 \u2192 \u6210\u56fe<\/span>\nExtract \u2192 Process \u2192 Plot<\/span>\n<\/div>\n\n<div class=\"tip-box\">\n\u4e09\u7ef4\u52d8\u63a2\u6808<\/span>3D Exploration Stack:<\/span><\/strong><br\/>\n<code>dh2loop<\/code> \/ <code>Baselode<\/code> \u2192 <code>wellpathpy<\/code> \u2192 <code>Three.js\/Baselode 3D<\/code><br\/>\n\u6570\u636e\u63d0\u53d6 \u2192 \u8f68\u8ff9\u8ba1\u7b97 \u2192 \u4e09\u7ef4\u5c55\u793a<\/span>\nExtract \u2192 Trajectory \u2192 3D Display<\/span>\n<\/div>\n\n<\/section>\n\n<div class=\"footnotes\">\n \u94bb\u5b54\u67f1\u72b6\u56fe\u5f00\u6e90\u5e93\u6c47\u603b | \u57fa\u4e8e\u516c\u5f00\u6587\u6863\u4e0e\u793e\u533a\u8d44\u6e90\u6574\u7406<\/span>Borehole Log Open-Source Libraries Guide | Compiled from public documentation and community resources<\/span><\/p>\n<\/div>\n\n<\/div>\n\n\n<script>\nfunction switchLanguage(lang) {\n document.documentElement.lang = lang;\n document.body.className = (lang === 'en') ? 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