发明名称 COMMUNICATION JOINT FOR USE IN A WELL
摘要 <p>A communication joint for use in a well is disclosed. The communication joint includes a one-piece tubular body having an exterior surface adapted to form a slidable fluid seal with a wellhead member of the well. The tubular body includes first and second fluid conduits extending axially along and positioned in the tubular body, each conduit providing a fluid passageway independent of the other fluid conduit. Preferably, the first and second fluid conduits extend axially above and below the exterior surface of the body.</p>
申请公布号 CA1230051(A) 申请公布日期 1987.12.08
申请号 CA19850491452 申请日期 1985.09.24
申请人 CACTUS WELLHEAD EQUIPMENT CO., INC. 发明人 NICHOLS, RANDY P.
分类号 E21B33/047;(IPC1-7):E21B33/03 主分类号 E21B33/047
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