| Abstract: | Most of the direct knowledge of the geology of the subsurface is gained from the examination of core and drill-cuttings recovered from boreholes drilled by the petroleum and water industries. Wireline logs run in these same boreholes generally have been restricted to tasks of lithostratigraphic correlation and thee location of hydrocarbon pay zones. However, the range of petrophysical measurements has expanded markedly in recent years, so that log traces now can be transformed to estimates of rock composition. Increasingly, logs are available in a digital format that can be read easily by a desktop computer and processed by simple spreadsheet software methods. Taken together, these developments offer accessible tools for new insights into subsurface geology that complement the traditional, but limited, sources of core and cutting observations. |
| Genre: | Article |
| ProdID: | 70022187 |
| Citation Author: | Doveton, J. H. |
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| Citation End Page: | 67 |
| Citation Issue: | 2-3 |
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| Citation Language: | English |
| Citation Larger Work Title: | Compass |
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| Citation Number Of Pages: | 11 |
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| Citation Search Results Text: | Spreadsheet log analysis in subsurface geology; 2000; Article; Journal; Compass; Doveton, J. H. |
| Citation Start Page: | 57 |
| Citation Volume: | 75 |
| Citation Year: | 2000 |
| Type: | citation/reference |
| Text: | Spreadsheet log analysis in subsurface geology; 2000; Article; Journal; Compass; Doveton, J. H. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sat, 1 Jan 2000 00:00 -0600 |
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