发明名称 REENTRY SYSTEM FOR A SUBSEA WELL APPARATUS
摘要 <p>REENTRY SYSTEM FOR SUBSEA WELL APPARATUS of Invention A reentry system for a subsea apparatus or station including a normally retracted guide post, which is extendable above the well apparatus for connection to a single guide line. A frame structure lowered along the single guide line includes a gimbal mounted guide funnel assembly which provides self-adjustment of the funnel assembly during a non-axial approach into axial alignment with the guide post means. The guide posts means and funnel assembly are provided with orientation and positioning means for the frame structure so that well equipment carried by the frame structure is positioned in alignment with is cooperable part on the well apparatus, A retractable, extendable guide post which is non-rotatable and which is recoverable fox maintenance and service. A method of making such a reentry to a subsea well apparatus.</p>
申请公布号 CA1081610(A) 申请公布日期 1980.07.15
申请号 CA19780294833 申请日期 1978.01.12
申请人 SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION) 发明人 CHATEAU, GEORGES M.;FALKNER, CHESTER B., JR.
分类号 E21B43/013;E21B41/10;(IPC1-7):21B7/12 主分类号 E21B43/013
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