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    • 2. 发明申请
    • DECELERATOR DEVICE FOR BALL ACTIVATED DOWNHOLE TOOLS
    • 用于球活动卧式工具的减速器装置
    • WO2015094241A1
    • 2015-06-25
    • PCT/US2013/076211
    • 2013-12-18
    • HALLIBURTON ENERGY SERVICES INC.
    • STREICH, Steven G.PACEY, Kendall Lee
    • E21B34/08E21B21/10
    • E21B33/12E21B23/04E21B34/14
    • A decelerator device (210), or shock absorber, for slowing the speed of a moving ball (106) approaching a ball seat (104) anchored in a tool (102) in a pipe string (200) of a subterranean well (220). The decelerator device (210) has a ball passage (208), an entrance port (204) which directs the moving ball (106) from an open mouth (202) of the entrance port (204) to a drag-inducing throat (207) of the ball passage (208), and directs the moving ball (106) towards a ball seat (104). The body (214) of the decelerator device (210) is made of a deformable, solid-state yielding material that displaces away from a centerline (103) of the ball passage (208) as the moving ball (106) with a diameter (105) larger than the throat (207) passes through the decelerator device (210).
    • 一种用于减慢接近位于地下井(220)的管柱(20​​0)中的工具(102)中的球座(104)的移动球(106)的速度的减速器装置(210)或减震器, 。 减速器装置(210)具有球通道(208),入口(204),其将移动球(106)从入口(204)的开口(202)引导到阻力诱导喉部(207) ),并且将移动的球(106)引向球座(104)。 减速器装置(210)的主体(214)由可变形的固态屈服材料制成,其作为移动球(106)从球形通道(208)的中心线(103)移开,直径( 105)大于所述喉部(207)通过所述减速器装置(210)。