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    • 1. 发明授权
    • System and method for operational management of a guarded probe for formation fluid sampling
    • 用于地层液采样的防护探头的操作管理系统和方法
    • US07857049B2
    • 2010-12-28
    • US11534515
    • 2006-09-22
    • John D. Sherwood
    • John D. Sherwood
    • E21B47/00E21B49/08E21B49/10
    • E21B49/10
    • Embodiments of the present invention relate to systems and methods for real-time management of a guarded probe device down a wellbore that is being used for formation fluid sampling. More specifically, but not by way of limitation, embodiments of the present invention provide for operational management of the guarded probe device to provide for splitting a flowline coupled with the guarded probe into two separate flow lines after the sampling process has begun, wherein one of the two separate flow-lines is coupled with a sampling probe in the guarded probe device and the other flowline is coupled with a guard probe in the guarded probe device.
    • 本发明的实施例涉及用于在用于地层流体采样的井眼下方的被保护的探针装置的实时管理的系统和方法。 更具体地但不是限制,本发明的实施例提供了被保护的探针装置的操作管理,以提供在采样过程开始之后将与被保护的探针耦合的流线分成两个单独的流线,其中 两个独立的流动线路与被保护的探针装置中的采样探针耦合,另一条流线与保护的探针装置中的保护探头耦合。
    • 4. 发明授权
    • Fluid sampling methods and apparatus for use in boreholes
    • 用于钻孔的流体取样方法和装置
    • US06719049B2
    • 2004-04-13
    • US10155577
    • 2002-05-23
    • John D. SherwoodJohn B. FitzgeraldBunker M. Hill
    • John D. SherwoodJohn B. FitzgeraldBunker M. Hill
    • E21B4710
    • E21B49/10
    • The invention concerns a method of sampling the formation fluids in an earth formation surrounding a borehole, the region of the formation immediately surrounding the borehole being at least partially invaded by borehole fluids, and an apparatus for carrying out such a method. According to the invention, a borehole tool is adapted to be lowered into the borehole and is provided with a sampling probe device and means for urging the sampling probe device into contact with the borehole wall, the sampling probe device comprising an inner probe and an outer probe surrounding the inner probe for withdrawing respective fluid samples from the formation, wherein the ratio between the respective flow areas of the inner and outer probes is selected so as to tend to reduce the time taken to obtain via the inner probe a sample of the formation fluids having a given level of contamination by borehole fluids.
    • 本发明涉及一种对围绕钻孔的地层中的地层流体进行采样的方法,所述井眼周围的地层的区域至少部分地被井眼流体侵入,以及用于执行这种方法的装置。 根据本发明,钻孔工具适于下降到钻孔中并且设置有采样探针装置和用于推动采样探针装置与钻孔壁接触的装置,所述采样探针装置包括内探针和外探针 围绕内部探针的探测器,用于从地层中取出相应的流体样品,其中选择内部和外部探针的相应流动面积之间的比率,以便倾向于减少经由内部探针获得地层样品所花费的时间 流体具有井眼流体给定的污染水平。
    • 8. 发明申请
    • SYSTEM AND METHOD FOR OPERATIONAL MANAGEMENT OF A GUARDED PROBE FOR FORMATION FLUID SAMPLING
    • 用于形成流体采样的保护探测器的操作管理系统和方法
    • US20080073078A1
    • 2008-03-27
    • US11534515
    • 2006-09-22
    • John D. Sherwood
    • John D. Sherwood
    • E21B49/08
    • E21B49/10
    • Embodiments of the present invention relate to systems and methods for real-time management of a guarded probe device down a wellbore that is being used for formation fluid sampling. More specifically, but not by way of limitation, embodiments of the present invention provide for operational management of the guarded probe device to provide for splitting a flowline coupled with the guarded probe into two separate flow lines after the sampling process has begun, wherein one of the two separate flow-lines is coupled with a sampling probe in the guarded probe device and the other flowline is coupled with a guard probe in the guarded probe device.
    • 本发明的实施例涉及用于在用于地层流体采样的井眼下方的被保护的探针装置的实时管理的系统和方法。 更具体地但不是限制,本发明的实施例提供了被保护的探针装置的操作管理,以提供在采样过程开始之后将与被保护的探针耦合的流线分成两个分离的流动管线,其中 两个独立的流动线路与被保护的探针装置中的采样探针耦合,另一条流线与保护的探针装置中的保护探头耦合。