发明名称 METHOD AND APPARATUS FOR REENTRY OF SUBSEA WELLHEADS
摘要 A lubricator for use in reentry of a subsea well and a workover tool enshrouded within the lubrication are lowered from the surface to a subsea wellhead on a wire line. The lubricator is then connected to the wellhead by a hydraulically actuated latch and the workover tool is lowered into the well to perform a workover operation.
申请公布号 US3638722(A) 申请公布日期 1972.02.01
申请号 USD3638722 申请日期 1969.12.11
申请人 MOBIL OIL CORP. 发明人 WILLIAM A. TALLEY JR.
分类号 E21B33/038;E21B33/076;(IPC1-7):E21B33/03 主分类号 E21B33/038
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