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    • 4. 发明申请
    • RADIALLY EXPANDABLE DOWNHOLE FLUID JET CUTTING TOOL HAVING AN INFLATABLE MEMBER
    • 具有可充气的会员的可扩展的潜孔式液体喷射切割工具
    • WO2009151765A3
    • 2010-02-25
    • PCT/US2009040440
    • 2009-04-14
    • BAKER HUGHES INCLYNDE GERALD DLAIRD MARY L
    • LYNDE GERALD DLAIRD MARY L
    • E21B43/11E21B43/114
    • E21B29/005E21B43/114
    • Downhole fluid jet cutting tools having extendible and retractable arms with cutting heads on the ends are disclosed. The jet cutting tools permit casing and other downhole surfaces to be cut utilizing a cutting fluid forced through a jet nozzle assembly. Inflation of an inflatable member within the passageway of the tool moves the jet nozzle assembly when cutting fluid pressure inflates the inflatable member. As a result, a cutting head of the jet nozzle assembly is extended and cutting fluid is forced at high pressure from the passageway to the cutting head where it is expelled through nozzles for cutting casing and the like. The jet cutting tools permit the cutting head to be extended, retracted, and re-extended or redeployed multiple times without the need for being retrieved from the wellbore.
    • 公开了具有在端部上具有切割头的可伸缩臂的井下流体射流切割工具。 喷射切割工具允许使用强制通过喷嘴组件的切削液来切割套管和其它井下表面。 可膨胀构件在工具通道内的充气在切割流体压力使可膨胀构件膨胀时移动喷嘴组件。 结果,喷嘴组件的切割头被延伸,并且切割流体在从通道到切割头的高压力被迫使其通过用于切割壳体等的喷嘴排出。 喷射切割工具允许切割头在不需要从井筒中取出的情况下被延伸,缩回和重新扩展或重新部署多次。
    • 5. 发明申请
    • CASING PROFILING AND RECOVERY SYSTEM
    • 实例分析与恢复系统
    • WO2008118697A3
    • 2008-11-20
    • PCT/US2008057398
    • 2008-03-19
    • BAKER HUGHES INCLYNDE GERALD D
    • LYNDE GERALD D
    • E21B29/02E21B29/06E21B31/06E21B31/16
    • E21B29/06E21B29/02E21B31/06E21B31/16
    • A casing cutting and recovery tool (10) having a cutting assembly (21), an expansion assembly(60) having one or more deforming members (66), and a recovery assembly (80) is used to cut a window in wellbore casing, secure a removable segment of wellbore casing that was previously disposed within the window, and recover the removable segment of wellbore casing with the tool. One or more cutting assemblies provides one or more cuts in the wellbore casing. The deforming members (66) of the expansion assembly then expand outwardly at least two portions (100, 102) of the wellbore casing(90) shaped by the cut or cuts. The recovery assembly secures the removable segment (110) of the wellbore casing (90) to the tool so that the tool and the removable segment of wellbore casing can be recovered together from the wellbore.
    • 具有切割组件(21),具有一个或多个变形构件(66)的膨胀组件(60)和回收组件(80))的套管切割和回收工具(10)用于切割井筒壳体中的窗口, 固定先前设置在窗户内的井筒壳体的可移除部分,并用工具恢复井筒壳体的可移除部分。 一个或多个切割组件在井筒壳体中提供一个或多个切口。 然后膨胀组件的变形构件(66)向外膨胀通过切割或切割成形的井筒壳体(90)的至少两个部分(100,102)。 回收组件将井筒壳体(90)的可移除部分(110)固定到工具上,使得工具和井筒壳体的可移除部分能够从井筒一起回收。