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UPDATED 1 Sept: The EI library in London is temporarily closed to the public, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via email , or via live chats during working hours (09:15-17:00 GMT). Our e-library is always open for members here: eLibrary , for full-text access to over 200 e-books and millions of articles. Thank you for your patience.
Advances in characterizing natural-fracture permeability from mud-log data. C.G. Dyke, B. Wu and D. Milton-Taylor. SPE Formation Evaluation, September 1995, 10(3), 160--166.
With reference to drilling-fluid losses, an outline is given of improved interpretation techniques that enable losses as small as 0.5 bbl to be used reliably as fracture permeability indications. It is shown how mud-log data anticipates core analysis and production-log-flow survey results. An explanation is also given of why mud-log analysis may detect natural-fracture systems overlooked by other logging techniques or well tests. Also, as only conductive fractures are detected, the mud-log analysis helps to direct wireline log interpretation to hydrologically active intervals. Results from four case histories are compared with conventional fracture-detection methods. 14 refs.
Abstract details
Journal title: SPE Formation Evaluation
Keywords: core analysis
Subjects: Geophysics, Mechanical Engineering, Oil and gas extraction, Oil and gas, Oil, Primary energy production, Core analysis, Logging, Mud logging, Well logging
