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    • 4. 发明授权
    • Diverless subsea hot tap system
    • 潜水海底热水龙头系统
    • US06290432B1
    • 2001-09-18
    • US09417553
    • 1999-10-13
    • Gern D. ExleyDonald W. CrossOran TarltonLarry DeckerDavid J. HicksRichard W. McCoy
    • Gern D. ExleyDonald W. CrossOran TarltonLarry DeckerDavid J. HicksRichard W. McCoy
    • B08B904
    • B08B9/023F16L1/26F16L41/06Y10T137/612
    • A diverless process of tapping a pressurized subsea pipeline without removing the pipeline from service. The process includes the steps of lowering and landing a measurement tool onto the pipeline in order to check ovality and straightness of the pipeline with the measurement tool. Pipe lift frames are lowered and landed onto the pipeline spaced from a chosen location. The pipeline is lifted by hydraulic actuators or mechanical screws on the lift frames. A hot tap fitting and accompanying orientation frame are lowered and landed on the pipeline between the pipe lift frames. The pipe lift frames are incrementally raised until the pipeline is fully seated in the hot tap fitting and orientation frame. A fitting clamp is secured to the pipeline. A hot tap machine is lowered onto the hot tap fitting and orientation frame. The pipeline is then tapped with the hot tap machine. The pipeline is thereafter lowered by deflating the lift frame bags.
    • 在不将管道从服务中移除的情况下,对加压海底管道进行开采的不经意间的过程。 该过程包括将测量工具降低和降落到管道上以便通过测量工具检查管道的椭圆度和直线度的步骤。 管道升降机架被降低并降落到与选定位置间隔开的管道上。 管道由液压执行器或机架螺丝抬起。 一个热水龙头配件和相应的定向框架被降下并降落在管道升降架之间的管道上。 管道升降架逐渐升高,直到管道完全固定在热水龙头配件和定向框架中。 一个装配夹固定在管道上。 热水龙头机器放在热水龙头配件和定向框架上。 然后用热水龙头机器轻敲管道。 此后,通过使升降机框袋放气来降低管道。
    • 6. 发明授权
    • Pressure balanced subsea tapping machine
    • 压力平衡海底攻丝机
    • US06012878A
    • 2000-01-11
    • US183710
    • 1998-10-30
    • David J. Hicks
    • David J. Hicks
    • F16L1/26F16L41/04B23B35/00B23B41/08
    • F16L41/04F16L1/26Y10S408/71Y10T137/0463Y10T137/6123Y10T408/03Y10T408/561Y10T408/96
    • A machine for use underwater and therefor subject to ambient hydrostatic pressure for tapping a pressurized pipeline has an elongated tubular tapping machine body with a boring bar therein that receives a cutter at its lower end. A passageway in a lower end portion of the tapping machine body senses the internal pressure of a pipeline after the pipeline is penetrated by the cutter, the passageway being connected to a pressure equalizer having communication with the interior of the tapping machine body to thereby balance hydraulic forces applied to the boring bar during a tapping operation. The machine has a gear case affixed to the tapping machine body to actuate the boring bar, the tapping machine body being sealed from the gear case, and including a fluid isolating equalizer supported to the tapping machine body and having a first communication with the interior of the gear box and a second communication with ambient hydrostatic pressure to thereby at least substantially equalize pressure in the gear box with the ambient hydrostatic pressure.
    • 一种用于水下的机器,其受到环境静水压力的影响,用于攻击加压管道具有细长的管状攻丝机主体,其中具有镗杆,其下端接收切割器。 攻丝机主体的下端部的通道在管道被刀具穿透之后感测到管道的内部压力,该通道连接到与攻丝机主体的内部连通的压力均衡器,从而平衡液压 在攻丝操作期间施加到镗杆的力。 该机器具有固定在攻丝机主体上的齿轮箱,以致动镗杆,攻丝机主体与齿轮箱密封,并且包括支撑在攻丝机主体上的流体隔离均衡器,并且与第 齿轮箱和与环境静水压力的第二通信,从而至少基本上使齿轮箱中的压力与空气静压力相等。
    • 7. 发明授权
    • Pig trap closure
    • 猪陷阱闭合
    • US4237936A
    • 1980-12-09
    • US910432
    • 1978-05-30
    • Jack D. LollisDavid J. Hicks
    • Jack D. LollisDavid J. Hicks
    • F16L55/115G01M3/00F16L55/10
    • F16L55/115G01M3/005
    • A pig trap closure is disclosed which includes a collar adapted to be attached to the end of a pipe, a door for opening and closing the end of the pipe, means for clamping the door to the collar and sealing means for preventing communication between the interior of the pipe and the atmosphere when the door is clamped to the collar. A testing valve is provided for indicating the presence of pressurized fluid in the pipe and means connects the testing valve to a handle used to unclamp the door for preventing movement of the handle until after the presence of pressurized fluid within the pipe has been checked by the testing valve.
    • 公开了一种猪捕获器闭合器,其包括适于附接到管的端部的套环,用于打开和关闭管的端部的门,用于将门夹紧到套环的装置和用于防止内部之间的连通的密封装置 的管道和气氛,当门被夹紧到衣领。 提供了一个测试阀,用于指示加压流体在管道中的存在,并且装置将测试阀连接到用于松开门的手柄,以防止把手移动,直到管道内的加压流体存在已被 测试阀。