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2. 发明申请

US20160178786A1 FORMATION PROPERTIES FROM TIME-DEPENDENT NUCLEAR MAGNETIC RESONANCE (NMR) MEASUREMENTS 审中-公开
标题翻译：来自时间依赖核磁共振（NMR）测量的形成特性
公开(公告)号：US20160178786A1
公开(公告)日：2016-06-23
申请号：US14576648
申请日：2014-12-19
申请人： SCHLUMBERGER TECHNOLOGY CORPORATION
发明人： Mohammed BADRI , Andrea VALORI , Wael ABDALLAH , Reza TAHERIAN
IPC分类号： G01V3/32 , G01V3/38
CPC分类号： G01V3/32 , G01V3/38
摘要： A NMR logging tool is provided and disposed in a wellbore at some desired depth. Packers are provided and actuated to hydraulically isolate a section of the wellbore and form a cavity between the NMR logging tool and the wall of the isolated section of the wellbore. The cavity is evacuated until a first desired pressure within the cavity is attained. Fluid is injected into the cavity until a second desired pressure within the cavity is attained. A plurality of NMR measurements is made on the region of the formation, each of the plurality of measurements being made at different times. Formation properties are inferred using the measurements. A baseline NMR measurement may be made when a first desired pressure is attained. A time-zero NMR measurement may be made when a second desired pressure is attained. Similar measurements may be made in a laboratory on a sample.
摘要翻译：提供了NMR测井工具，并以某种所需的深度将其放置在井眼中。包装机被提供和致动以水力隔离井筒的一部分并且在NMR测井工具和井眼的隔离部分的壁之间形成空腔。将空腔抽真空直到达到腔内的第一期望压力。将流体注入空腔中，直到达到腔内的第二个所需压力。在地层的区域进行多次NMR测量，多个测量中的每一个在不同的时间进行。使用测量推断地层性质。当达到第一所需压力时，可以进行基线NMR测量。当获得第二所需压力时，可以进行时 - 零NMR测量。可以在样品的实验室中进行类似的测量。

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