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    • 4. 发明授权
    • Through-tubing retrievable whipstock system
    • 通管可回收造斜系统
    • US6076606A
    • 2000-06-20
    • US150962
    • 1998-09-10
    • Thomas F. BaileyTimothy L. WilsonDustin G. Howell
    • Thomas F. BaileyTimothy L. WilsonDustin G. Howell
    • E21B7/06E21B7/08E21B23/00E21B23/01
    • E21B23/01E21B23/00E21B7/061
    • The present invention, in certain embodiments, discloses a whipstock system which is hydraulically settable in a tubular or wellbore and mechanically retrievable. In one aspect it is a "through-tubing" system. In certain aspects systems according to this invention have a concave to a lower end of which is secured an anchor housing bendable member, movable connection, or with an anchor body therein that is in fluid communication, via a flexible hose within the anchor housing, with a fluid channel running through the concave. An upper end of a mandrel is housed in a recess in the anchor body. The mandrel's lower end may extend out from the anchor housing. A setting slip is disposed below the anchor body within an opening in the anchor housing. A pusher sleeve below the slip is selectively displaced up by a piston below the pusher sleeve to push the slip out from the opening in the anchor housing to set against an interior of a tubular or of a wellbore. Fluid under pressure flows, e.g. from a pump system at the earth's surface, through the concave, through the anchor body, to and through the mandrel, exiting the mandrel beneath the piston to move the piston upwardly, thereby moving the slip out from the housing. Initially a shear pin or shear screw holds the slip in place.The present invention also discloses a retrieval tool for retrieving the whipstock system from a wellbore. The retrieval tool, in one aspect, has a member that is inserted into and held within a corresponding recess in the top of a concave while an opposed portion of the tool abuts a side of the concave opposite the recess to securely grip the concave and the apparatus suspended therefrom for retrieval.
    • 在某些实施方案中,本发明公开了一种造水系统,其可水力可固定在管状或井筒中并机械可回收。 在一个方面,它是“通管”系统。 在某些方面,根据本发明的系统具有凹入部,其下端通过锚固壳体内的柔性软管固定锚固体壳体可弯曲构件,可移动连接件或其中具有锚固体的位于其中的锚固体, 流经通道的凹槽。 心轴的上端容纳在锚体中的凹部中。 心轴的下端可以从锚定壳体延伸出来。 在锚固体内的开口内设置安置滑块。 滑块下面的推动器套筒选择性地由推动器套筒下方的活塞向上移动,以将滑动件从锚定壳体中的开口推出以抵靠管状或井筒的内部。 流体在压力下流动,例如 从地球表面的泵系统通过凹部,穿过锚固体,穿过心轴,离开活塞下方的心轴,向上移动活塞,从而将滑动从壳体移出。 最初,一个剪切销或剪切螺丝将滑动件保持在适当的位置。 本发明还公开了一种用于从井眼回收造斜器系统的检索工具。 在一个方面,拾取工具具有一个构件,该构件被插入并保持在凹部顶部的相应凹部中,而工具的相对部分抵靠凹部的与凹部相对的一侧以牢固地夹紧凹部,并且 悬挂在其上的装置用于检索。
    • 6. 发明授权
    • Computer system permitting mulitple write buffer read-arounds and method
therefor
    • 计算机系统允许多种写入缓冲区读取及其方法
    • US5696938A
    • 1997-12-09
    • US690050
    • 1996-07-31
    • David K. CassettiTimothy L. Wilson
    • David K. CassettiTimothy L. Wilson
    • G06F12/08
    • G06F12/0804G06F12/0897
    • A computer system is disclosed that permits multiple write buffer read-arounds. The system comprises a CPU (Central Processing Unit) for executing cycles for the computer system, a cache coupled to the CPU for storing data, a write buffer coupled to the CPU for receiving write data from the CPU, an arbiter to control bus accesses to the slave, and processing signals coupled between the cache and the write buffer for permitting the CPU to read-around the write buffer a plurality of times before the write data in the write buffer is flushed therefrom. The processing signals determine when the data stored in the write buffer is also stored in the cache, and, therefore, the cache is permitted to read-around the write buffer more than one time as long as the write buffer has the same data stored therein as exists in the cache.
    • 公开了允许多个写入缓冲器读取的计算机系统。 该系统包括用于执行计算机系统的周期的CPU(中央处理单元),耦合到CPU的用于存储数据的高速缓存,耦合到CPU的写入缓冲器,用于从CPU接收写入数据,仲裁器,用于控制总线访问 从器件和耦合在高速缓存和写入缓冲器之间的处理信号,以便在写入缓冲器中的写入数据被刷新之前允许CPU多次读写写入缓冲器。 处理信号确定存储在写入缓冲器中的数据何时也存储在高速缓存中,并且因此只要写入缓冲器具有存储在其中的相同数据,就允许高速缓存多于一次读取写入缓冲器 如缓存中所存在。
    • 9. 发明申请
    • TELEMETRY OPERATED CIRCULATION SUB
    • 电报操作电路
    • US20130319767A1
    • 2013-12-05
    • US13979360
    • 2012-01-23
    • Timothy L. WilsonAlbert C. Odell
    • Timothy L. WilsonAlbert C. Odell
    • E21B21/10
    • E21B21/103E21B21/10E21B47/124E21B47/18E21B2034/007
    • A method of drilling a wellbore includes drilling the wellbore by injecting drilling fluid through a drill string extending into the wellbore from surface and rotating a drill bit of the drill string. The drill string further includes a circulation sub having a port closed during drilling. The drilling fluid exits the drill bit and carries cuttings from the drill bit. The drilling fluid and cuttings (returns) flow to the surface via an annulus formed between an outer surface of the tubular string and an inner surface of the wellbore. The method further includes after drilling at least a portion of the wellbore: halting drilling; sending a wireless instruction signal from the surface to a downhole portion of the drill string by articulating the drill string, acoustic signal, or mud pulse, thereby opening the port; and injecting drilling fluid through the drill string and into the annulus via the open port.
    • 钻井井的方法包括通过从钻井表面延伸到井眼中的钻柱喷射钻井液并旋转钻柱的钻头来钻井井。 钻柱还包括在钻井期间具有关闭的端口的循环子系统。 钻井液离开钻头,并从钻头中携带钻屑。 钻井液和切屑(返回)通过形成在管状柱的外表面和井眼的内表面之间的环形空间流到表面。 该方法还包括在钻井井的至少一部分之后:停止钻孔; 通过铰接钻柱,声信号或泥浆脉冲从钻井平台的井下部分向井下部分发送无线指令信号,从而打开该端口; 并且通过钻柱注入钻井液并经由开放端口进入环形空间。