专利名称schlumbergershalesystems外国测井gastool
摘要：专利号：US2014000358（A1）专利名称：PORE PRESSURE MEASUREMENT INLOW-PERMEABILITY AND IMPERMEABLE MATERIALS申请号：US201213535218申请日：2012．06．27专利申请人：BADRI MOHAMMED;TAHERIANREZA;SCHLUMBERGER TECHNOLOGY CORPORATION 公开日：2014．01．02 Systems and methods are described for calculating pore pressure in a porous formation such as shale gas having substantially disconnected pore spaces. In some described examples, an NMR logging tool with at least two depths of investigation （DOIs） is used. The deeper DOI can be used to sample the shale gas that has not been perturbed by the drilling process, for example, and contains the gas at connate pressure. The shallow DOI can be used to sample shale gas that has been perturbed.
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