发明名称 ANCHOR LATCH ON-OFF FOR SUCKER RODS
摘要 A device and method to allow a sucker rod to be disconnected at a particular point in a sucker rod string (20). Typically the disconnect device (100) is located just above the barrel pump (32) where the disconnect device is able to provide tensile and compressive strength similar to the sucker rod string thereby eliminating at least one failure mode for the sucker rod string.
申请公布号 WO2014066587(A3) 申请公布日期 2014.08.28
申请号 WO2013US66530 申请日期 2013.10.24
申请人 WEATHERFORD/LAMB, INC. 发明人 LEMBCKE, JEFFREY
分类号 E21B43/12;E21B17/02;E21B17/06 主分类号 E21B43/12
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