发明名称 Apparatus and method for rotating coil tubing in a well
摘要 Improved coil tubing injection apparatus for servicing wells by running coil tubing thereinto for circulating fluids through the well and having the ability to rotate the coil tubing for performing drilling operations. The apparatus can readily provide concurrent longitudinal and rotational movement of the coil tubing. Methods of servicing wells involving such movement of coil tubing are disclosed.
申请公布号 US4515220(A) 申请公布日期 1985.05.07
申请号 US19830560866 申请日期 1983.12.12
申请人 OTIS ENGINEERING CORPORATION 发明人 SIZER, PHILLIP S.;COX, DON C.;COUNCIL, MALCOLM N.
分类号 E21B23/00;B65H51/14;E21B19/22;E21B33/068;(IPC1-7):E21B19/22 主分类号 E21B23/00
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