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    • 3. 发明申请
    • REMOTELY-CONTROLLED DOWNHOLE DEVICE AND METHOD FOR USING SAME
    • 远程控制的卧室装置及其使用方法
    • WO2012027668A1
    • 2012-03-01
    • PCT/US2011/049348
    • 2011-08-26
    • BAKER HUGHES INCORPORATEDRADFORD, Steven R.EVANS, John G.STAUFFER, BruceWITTE, Johannes
    • RADFORD, Steven R.EVANS, John G.STAUFFER, BruceWITTE, Johannes
    • E21B10/32E21B44/00
    • E21B47/12E21B10/322E21B23/04E21B34/06
    • In one aspect, an apparatus for use downhole is disclosed that in one configuration includes a downhole device configured to be in an active position and an inactive position and an actuation device that includes: a housing including an annular chamber configured to house a first fluid therein, a piston in the annular chamber configured to divide the annular chamber into a first section and a second section, the piston being coupled to a biasing member, a control unit configured to enable movement of the first fluid from the first section to the second section to supply a second fluid under pressure to the tool to move the tool into the active position and from the second section to the first section to stop the supply of the second fluid to the tool to cause the tool to move into the inactive position. In another aspect, the apparatus includes a telemetry unit that sends a first pattern recognition signal to the control unit to move the tool in the active position and a second pattern recognition signal to move the tool in the inactive position.
    • 在一个方面,公开了一种井下使用的装置,在一种结构中包括构造成处于活动位置和非活动位置的致动装置,该井下装置包括:壳体,其包括构造成在其中容纳第一流体的环形室 所述环形室中的活塞构造成将所述环形室分成第一部分和第二部分,所述活塞联接到偏置部件,所述控制单元被构造成使所述第一流体能够从所述第一部分移动到所述第二部分 以向工具提供压力下的第二流体以将工具移动到活动位置并且从第二部分到第一部分停止向工具供应第二流体,以使工具移动到非活动位置。 在另一方面,该装置包括遥测单元,该遥测单元向控制单元发送第一模式识别信号以将工具移动到活动位置和第二模式识别信号以将工具移动到非活动位置。
    • 10. 发明申请
    • DROP/PUMP MEMORY THROUGH-CASING MEASUREMENT LOGGING TOOLS
    • 通过测量测量工具进行拖放/泵存储
    • WO2011084828A2
    • 2011-07-14
    • PCT/US2010061777
    • 2010-12-22
    • BAKER HUGHES INCEVANS JOHN GHILL FREEMAN LCHACE DAVID M
    • EVANS JOHN GHILL FREEMAN LCHACE DAVID M
    • G01V5/04E21B47/00G01V1/40
    • E21B47/124E21B23/08G01V5/10
    • The present disclosure relates to apparatus and methods for evaluating an earth formation though a drillstring during tripping of the drillstring. The apparatus may include a logging instrument including a formation evaluation sensor configured to be dropped or pumped into a drillstring at the end of drilling. The logging instrument may be configured to make measurements through a homogenous portion of the drillstring while the drillstring is being tripped. The apparatus may include a memory and processor for logging data for later retrieval. The method may include making at least one measurement indicative of a property of an earth formation using a sensor operatively associated with a logging instrument, wherein the logging instrument is conveyed to proximate to a homogeneous portion of a drilling tubular using the drilling tubular.
    • 本公开涉及用于在钻柱跳闸期间通过钻柱来评估地层的装置和方法。 该装置可以包括测井仪器,其包括地层评估传感器,其构造成在钻孔结束时落下或泵入钻柱。 测井仪器可以被配置成在钻柱被跳闸时通过钻柱的均匀部分进行测量。 该装置可以包括用于记录数据以供稍后检索的存储器和处理器。 该方法可以包括使用与测井仪器可操作地相关联的传感器来进行表示地层的性质的至少一个测量,其中使用钻井管将测井仪器输送到靠近钻井管的均匀部分。