发明名称 SUBMARINE WELLHEAD
摘要 A submarine wellhead (10) for producing wells, including a hollow body (14) mounted in a water-tight fashion on a well (16) configured to receive a suspension device (30) equipped with a production column (26) designed to be lowered down into the well, which body (14) is also equipped with an outlet port (20) for the oil coming up from the well through the production column (26), hydraulic flow between the production column (26) and the outlet port (20) occurring through the suspension device (30), and hydraulic flow being ensured regardless of the rotation position of the suspension device (30) in relation to the body (14).
申请公布号 US5213162(A) 申请公布日期 1993.05.25
申请号 US19920835554 申请日期 1992.02.14
申请人 SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION) 发明人 IATO, MIDEL
分类号 E21B33/035;E21B33/04;E21B43/013 主分类号 E21B33/035
代理机构 代理人
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