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    • 83. 发明授权
    • Method and apparatus for dropping a pump down plug or ball
    • 用于下降塞子或球的方法和装置
    • US08997850B2
    • 2015-04-07
    • US14181255
    • 2014-02-14
    • Gulfstream Services, Inc.
    • Phil BarbeeMichael MireJoey Naquin
    • E21B33/16E21B33/12E21B33/05
    • E21B33/068E21B33/05E21B33/12E21B33/134E21B33/14E21B33/16E21B34/02E21B2034/002
    • An improved method and apparatus for dropping a ball, plug or dart during oil and gas well operations (e.g., cementing operations) employs a specially configured tool body assembly having valving members (e.g., safety or kelly values) and valving members holding plugs, balls, or darts to be dropped. In one embodiment, the ball(s), dart(s) or plug(s) are contained in a sliding sleeve that shifts position responsive to valve rotation. An optional indicator indicates to a user or operator that a ball or plug has passed a selected one of the valving members. A transmitter (or transceiver) provides an ability to generate a wireless signal that is received by receivers (or transceivers) on the tool body assembly. Each receiver (or transceiver) controls an electrical actuator that engages a valving member or the indicator. Wireless signals can be used to open or close a valve or to reset a “tripped” indicator.
    • 一种用于在油气井操作(例如,固井操作)期间落下​​球,塞或飞镖的改进方法和装置采用具有阀构件(例如,安全或凯利值)的专门配置的工具主体组件和保持塞子,球的阀构件 ,或飞镖掉落。 在一个实施例中,一个或多个球,飞镖或塞子被包含在滑动套筒中,该滑动套筒响应于阀旋转而移动位置。 可选指示符向用户或操作者指示球或塞已经通过所选择的一个阀构件。 发射器(或收发器)提供产生由工具主体组件上的接收器(或收发器)接收的无线信号的能力。 每个接收器(或收发器)控制接合阀构件或指示器的电致动器。 无线信号可用于打开或关闭阀门或重置“跳闸”指示器。
    • 84. 发明申请
    • COHESIVE SETTABLE CEMENT SYSTEM
    • 水泥安装水泥系统
    • US20140048265A1
    • 2014-02-20
    • US13944451
    • 2013-07-17
    • CSI Technologies, LLC
    • N. Kyle CombsLarry WattersFred Sabins
    • C09K8/42E21B33/13E21B33/16
    • C09K8/426C04B28/02C04B28/26C09K8/467C09K8/48E21B33/13E21B33/16C04B14/22C04B24/38C04B22/0013C04B2103/50
    • A lightweight cross-linked gelled settable cement fluid system derived by pre-hydrating a water gelling agent, and then using that to mix with a cement blend which results in a very stable cement blend, which will matriculate through any fluid and not disperse, and form a cohesive plug wherever it comes to rest; wherein the fluid is injected at the bottom of the 10 pound/gal brine, and the fluid rises to the top of the brine where it reforms into a cohesive plug and hardens; and wherein the fluid can be applied to any density solution, and provide stability and cohesiveness to any settable plug; and wherein the cement/gelled water mixture is then cross-linked using standard hydraulic fracturing cross-linkers to provide a stable structure and ability to matriculate through another fluid and not disperse into that fluid. In a second embodiment the lightweight cross-linked gelled settable cement fluid which is cohesive and stable to be used as a balanced plug during cementing procedures to avoid the plug from becoming dilute in order to develop compressive strength, prevent fluid interchange from occurring and ensuring that all the cement placed would set in place.
    • 一种轻质的交联胶凝固化水泥流体系统,其通过预水合水胶凝剂得到,然后使用该混合物与水泥混合物混合,其导致非常稳定的水泥混合物,其将通过任何流体进入并不分散,以及 在休息的地方形成一个有凝聚力的塞子; 其中流体在10磅/加仑盐水的底部注入,并且流体升至盐水的顶部,在该顶部改造成粘性塞并硬化; 并且其中所述流体可以施加到任何密度溶液,并且为任何可设置的塞子提供稳定性和内聚性; 然后使用标准的水力压裂交联剂将水泥/凝胶水混合物交联,以提供稳定的结构和通过另一种流体进入并不分散入该流体的能力。 在第二个实施方案中,该轻质交联胶凝可凝固的水泥流体是粘结和稳定的,用于在固结过程中用作平衡塞,以避免塞子变稀,以产生抗压强度,防止流体交换发生,并确保 所有的水泥都将放置到位。