发明名称 COLLAPSE SENSING CHECK VALVE
摘要 A method and apparatus for a pressure relief valve assembly. The valve assembly may be coupled to one or more casings and/or tubular members to control fluid communication therebetween. The valve assembly is a one-way valve assembly that relieves pressure within an annulus formed between adjacent casings and/or tubular members to prevent burst or collapse of the casings and/or tubular members. The valve assembly is resettable downhole.
申请公布号 EP2702236(A2) 申请公布日期 2014.03.05
申请号 EP20120720344 申请日期 2012.04.27
申请人 WEATHERFORD/LAMB, INC. 发明人 LOGIUDICE, MICHAEL;SYMMS, JOSHUA VERNON;LIRETTE, BRENT J.;SCOTT, THAD JOSEPH;RING, LEV
分类号 E21B34/08;E21B21/10 主分类号 E21B34/08
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