发明名称 Hydrostatic, slow actuating subterranean well tool manipulation device and method
摘要 A pressure balanced, slow actuating device and method for manipulation of an auxiliary tool within a subterranean well in which the hydrostatic pressure within well fluids in the well are utilized to meter and extend the timing of actuation of a component or auxiliary tool within a subterranean well.
申请公布号 US6145598(A) 申请公布日期 2000.11.14
申请号 US19970971853 申请日期 1997.11.17
申请人 CARISELLA, JAMES V. 发明人 CARISELLA, JAMES V.
分类号 E21B23/04;E21B23/06;E21B33/127;E21B37/08;E21B41/00;(IPC1-7):E21B33/127 主分类号 E21B23/04
代理机构 代理人
主权项
地址