Quantitative characterization method for shale micro-phase classification
A quantitative characterization and shale technology, applied in material inspection products, soil material testing, etc., can solve the problems of unfavorable oil and gas exploration and development process plan design and operation, low success rate, low exploration and development efficiency, etc., to reduce exploration and development costs. , Improve the success rate, evaluate the effect of high efficiency
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[0025] The present invention will be further described below in conjunction with specific embodiments.
[0026] In the area of eastern Chongqing and western Hubei, the shale sedimentary subfacies in the lower part of the Lower Silurian Longmaxi Formation has deep-water shelf subfacies and shallow-water shelf subfacies; There are also certain differences.
[0027] In Enshi Jiannan, Yudong Pengshui, and Ding 1 well areas, they were all located in the same deep-water continental shelf subfacies in the early deposition of the Longmaxi Formation, but their shale sedimentary micro-characteristics were obviously different, manifested in clay minerals and clastic minerals. , authigenic minerals, organic matter (TOC), brittle minerals, pyrite, paleontology, geochemistry and other characteristics are different, so the difference in these parameters can be used to distinguish the microfacies in the same subfacies environment, and narrow the scope of shale oil and gas exploration. Scop...
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