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2. 发明申请

WO2017106301A1 METHOD AND DEVICE FOR DETERMINING GAS PERMEABILITY OF A SUBSURFACE FORMATION 审中-公开
标题翻译：确定地下地层气体渗透性的方法和装置
公开(公告)号：WO2017106301A1
公开(公告)日：2017-06-22
申请号：PCT/US2016/066591
申请日：2016-12-14
申请人： SAUDI ARABIAN OIL COMPANY , ARAMCO SERVICES COMPANY
发明人： LIU, Hui-hai , LAI, Bitao , ZHANG, Jilin, Jay , GEORGI, Daniel , HUANG, Xinwo
IPC分类号： G01N15/08
CPC分类号： G01N15/0826 , G01N33/24
摘要： Method and device for determining permeability as a function of pore pressure and porosity of a subsurface formation. The method includes positioning a sample (30) in a sample assembly inside a pressure vessel (50) comprising gas or liquid and a pressure gauge (34) measuring a first gas pressure of the sample in the pressure vessel (50), applying a second gas pressure to the pressure vessel (50), the second gas pressure being greater than the first gas pressure, measuring a third gas pressure at time at location from the inlet (16) of sample inside the pressure vessel (50), determining a total gas mass per unit volume of the subsurface formation and determining the permeability of the subsurface formation as a function of pore pressure based at least in part on the first gas pressure, the second pressure, the third gas pressure, and the gas density, with a single test run.
摘要翻译：用于确定渗透率作为地下地层的孔隙压力和孔隙度的函数的方法和装置。该方法包括将样品（30）定位在包含气体或液体的压力容器（50）内的样品组件中，以及测量压力容器（50）中的样品的第一气体压力的压力计（34），将第二（50）内的气体压力，所述第二气体压力大于所述第一气体压力，在距离所述压力容器（50）内部的样本的所述入口（16）的位置处测量第三气体压力，确定总压力每单位体积的地下地层的气体质量和至少部分地基于第一气体压力，第二压力，第三气体压力和气体密度确定作为孔压的函数的地下地层的渗透率，单次测试运行。

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