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DETERMINING PERMEABILITY VARIATION WITH NMR IN AGED FORMATION ROCK CORE SAMPLES SATURATED WITH GEL SOLUTION
DETERMINING PERMEABILITY VARIATION WITH NMR IN AGED FORMATION ROCK CORE SAMPLES SATURATED WITH GEL SOLUTION
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机译:用凝胶溶液饱和测定老年岩层样品中NMR的渗透率变化。
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摘要
Techniques for analyzing a formation rock core sample include preparing a sample; circulating a gel solution through the sample to saturate the sample; scanning the saturated sample with a nuclear magnetic resonance (NMR) system to determine two or more NMR values of the saturated sample; determining a permeability of the saturated sample based, at least in part, on the two or more NMR values of the saturated sample; aging the saturated sample; scanning the aged sample with the NMR system to determine two or more NMR values of the aged sample; determining a permeability of the aged sample based, at least in part, on the two or more NMR values of the aged sample; comparing the determined permeability of the saturated sample against the determined permeability of the aged sample; and based on the compared permeabilities, determining a gel solution syneresis rate.
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