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    • 42. 发明申请
    • Apparatus and Methods for Pulse Testing a Formation
    • 脉冲测试形成装置和方法
    • US20110094733A1
    • 2011-04-28
    • US12673067
    • 2008-08-15
    • Mark A. Proett
    • Mark A. Proett
    • E21B47/00
    • E21B49/008E21B49/10
    • Apparatus and methods for measuring properties of formation material and fluid in a borehole wall. In some embodiments, the apparatus includes a cylinder with a drawdown piston slideably disposed therein, a probe assembly and a passageway configured to provide fluid communication between the probe assembly and the cylinder. The probe assembly has a housing, a piston slideably disposed within the housing, the piston having a throughbore and a pad coupled thereto, and a tubular slideably disposed within the throughbore. The drawdown piston is translatable from a first position toward a second position to draw fluid into the probe assembly, the passageway and the cylinder, and translatable from the second position toward the first position to increase pressure of fluid in the passageway.
    • 用于测量井壁中地层材料和流体性质的装置和方法。 在一些实施例中,该装置包括具有可滑动地设置在其中的抽出活塞的气缸,探针组件和经配置以在探针组件和气缸之间提供流体连通的通道。 探针组件具有壳体,可滑动地设置在壳体内的活塞,活塞具有通孔和与其联接的垫,以及可滑动地设置在通孔内的管状体。 下拉活塞可从第一位置向第二位置平移,以将流体引入探针组件,通道和气缸中,并且可从第二位置向第一位置平移以增加通道中流体的压力。
    • 49. 发明申请
    • Apparatus and Method for Pulse Testing a Formation
    • 用于脉冲测试形成的装置和方法
    • US20150176403A1
    • 2015-06-25
    • US14403079
    • 2012-06-13
    • Dingding ChenMark A. ProettChristopher Michael JonesAbdolhamid Hadibeik
    • Dingding ChenMark A. ProettChristopher Michael JonesAbdolhamid Hadibeik
    • E21B49/00E21B47/06
    • E21B49/008E21B47/06
    • A system for pressure testing a formation includes a downhole tool configured to measure formation pressure, storage containing pressure parameters of a plurality of simulated formation pressure tests, and a formation pressure test controller coupled to the downhole tool and the storage. For each of a plurality of sequential pressure testing stages of a formation pressure test, the formation pressure test controller 1) retrieves formation pressure measurements from the downhole tool; 2) identifies one of the plurality of simulated formation pressure tests comprising pressure parameters closest to corresponding formation pressure values derived from the formation pressure measurements; and 3) determines a flow rate to apply by the downhole tool in a next stage of the test based on the identified one of the plurality of simulated formation pressure tests.
    • 用于对地层进行压力测试的系统包括被配置为测量地层压力的井下工具,包含多个模拟地层压力测试的压力参数的储存器以及耦合到井下工具和储存器的地层压力测试控制器。 对于地层压力试验的多个连续压力试验阶段中的每一个,地层压力试验控制器1)从井下工具检索地层压力测量值; 2)识别多个模拟地层压力测试中的一个,其包括最接近从地层压力测量得出的对应地层压力值的压力参数; 以及3)基于所述多个模拟地层压力测试中的所述一个确定在所述测试的下一阶段中确定由所述井下工具施加的流量。