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    • 2. 发明申请
    • CATASTROPHIC HIT INDICATOR FOR CATCHER IN PLUNGER GAS/FLUID LIFT SYSTEM FOR WELL OPERATIONS
    • 用于井下气体/流体动力系统的捕集器的井下指示器
    • US20160102533A1
    • 2016-04-14
    • US14825783
    • 2015-08-13
    • 1069416 ALBERTA LTD.
    • STEPHEN MAERZSTEPHEN VETTERWATCHARIN SUTTIPISETCHART
    • E21B43/12
    • E21B43/12E21B33/03
    • A catastrophic or heavy-hit indicator subassembly is included in a plunger lift system lubricator which includes a coil spring above a striker block, a piston above the striker block, the piston sealed but moveable within the bore of the subassembly, above the piston another spring or set of spring washers, a space, and above the space a thin membrane or wall in a top nut or seal at the top of the lubricator. If the plunger reaches the lubricator with sufficient force, it will compress the coil spring and move the striker block to push the piston upward within the bore of the lubricator, the piston will compress the second spring or set of spring washers, and the top end of the piston, which is preferably pointed, will pierce the membrane or wall in the top of the lubricator.
    • 柱塞提升系统润滑器中包括一个灾难性的或重型的指示器子组件,其包括在撞击器块上方的螺旋弹簧,撞击器块上方的活塞,活塞密封但可在该组件的孔内移动,在活塞的另一弹簧 或一组弹簧垫圈,空间以及空间上方的润滑器顶部的顶部螺母或密封件中的薄膜或壁。 如果柱塞以足够的力到达润滑器,它将压缩螺旋弹簧并移动撞针块,以将活塞向上推到润滑器的孔内,活塞将压缩第二弹簧或弹簧垫圈组,而顶端 优选为尖的活塞将刺穿润滑器顶部的膜或壁。
    • 5. 发明申请
    • PLUNGER FOR GAS LIFT SYSTEM WITH NOVEL SKIRT
    • 用于气球升降系统的气球
    • US20150053427A1
    • 2015-02-26
    • US14464442
    • 2014-08-20
    • 1069416 ALBERTA LTD.
    • WATCHARIN SUTTIPISETCHARTSTEPHEN VETTER
    • E21B43/12E21B33/12E21B33/129E21B23/01
    • An improved plunger with expandable mating pad elements arrayed circumferentially about the plunger's body sealed to the plunger and biased to expand the plunger assembly's outer circumferential surface toward the inner surface of the tubular within which the plunger assembly is designed to operate. The gaps between the pad elements are minimized by having the adjacent pad elements slidable against each other along two sets of surfaces along essentially the length of the interface between adjacent pad elements, one surface set being approximately axial to the plunger and the other set being approximately radial to the plunger's longitudinal axis, and in this way reducing the available pathway in the gap between adjacent pad elements for fluid to bypass the plunger assembly.
    • 一种改进的柱塞,其具有可膨胀的配合垫元件,其周向地围绕柱塞的主体排列,密封到柱塞并被偏压以将柱塞组件的外圆周表面朝向管柱的内表面扩展,柱塞组件设计在该内表面中。 衬垫元件之间的间隙通过使相邻的衬垫元件沿着相邻衬垫元件之间的界面的基本上长度的两组表面彼此滑动而最小化,一个表面组件大致轴向于柱塞并且另一个组件约为 径向地连接到柱塞的纵向轴线,并且以这种方式减小相邻垫元件之间的间隙中的可用路径,以使流体绕过柱塞组件。