发明名称 Remote multiple string well completion
摘要 In a remotely installed underwater well apparatus, a tubular body, typically a multiple string tubing hanger, is landed in a position oriented rotationally with respect to a reference point on the apparatus and a seal device is then energized by the same tool employed to land and orient the tubular body.
申请公布号 US4289206(A) 申请公布日期 1981.09.15
申请号 US19790067745 申请日期 1979.08.20
申请人 ARMCO INC. 发明人 KIRKLAND, KERRY G.
分类号 E21B33/047;(IPC1-7):E21B23/00;E21B33/07 主分类号 E21B33/047
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