发明名称 SELECTIVE HYDROSTATICALLY SET PARALLEL STRING PACKER
摘要 A hydraulically or hydrostatically set parallel string well packer to be used in conjunction with one or more hydraulically set well packers therebelow, all of the well packers being adapted for lowering in a well bore on a first or long tubular string to desired setting locations and selectively settable hydraulically in packed-off condition at each setting point without longitudinal movement of the long string, whereupon a second or short tubular string can be lowered in the well bore parallel to the first tubular string and appropriately related to the parallel string packer.
申请公布号 US3841400(A) 申请公布日期 1974.10.15
申请号 US19730338152 申请日期 1973.03.05
申请人 BAKER OIL TOOLS INC,US 发明人 CALLIHAN R,US;WAINWRIGHT C,US
分类号 E21B33/122;E21B33/1295;E21B34/14;(IPC1-7):E21B23/06;E21B33/12 主分类号 E21B33/122
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