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SYSTEMS AND METHODS FOR SLICE SELECTIVE NUCLEAR MAGNETIC RESONANCE TESTING OF FRACTURED CORE PLUGS TO DETERMINE IN-SITU PORE VOLUME
SYSTEMS AND METHODS FOR SLICE SELECTIVE NUCLEAR MAGNETIC RESONANCE TESTING OF FRACTURED CORE PLUGS TO DETERMINE IN-SITU PORE VOLUME
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机译:用于切片骨折芯塞的切片选择性核磁共振检测的系统和方法,以确定原位孔体积
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摘要
Provided is a local slice selective T2 nuclear magnetic resonance (NMR) test procedure that includes: (1) identifying a location of a fracture within a core plug; (2) conducting an initial local slice selective T2 NMR test on a slice of the plug that corresponds to the location to generate initial T2 measurements: (3) determining an initial fracture pore volume of the fracture based on the initial T2 measurements: (4) conducting an in-situ local slice selective T2 NMR test on the slice of the plug to generate in-situ T2 measurements and corresponding measures of a volume of fluid expelled from the plug: (5) determining an in-situ fracture pore volume for the fracture based on the in-situ T2 measurements: and (6) comparing the volume of water to a difference between the initial and the in-situ fracture pore volumes to confirm the accuracy of the in-situ pore volume.
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