Feasibility study of cuttings on reservoir water sensitivity evaluation
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Abstract
Water sensitivity evaluation of reservoir is very important to protect reservoirs and make specific production measures.When there are no suitable core samples,just with some cuttings,nuclear magnetic resonance testing technology will be an effective means to carry out cuttings sensitivity.This technology can directly detect hydrogencontaining fluids in rock porosity.The size of signals is irrespective of the volume of rock sample,while it is proportional to the number of hydrogen protons in the sample.By comparing the water sensitivity of cuttings and cores with nuclear magnetic resonance methods under same conditions,the results are basically the same.
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