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 WO2012149418(A3) 申请公布日期 2013.10.24
申请号 WO2012US35589 申请日期 2012.04.27
申请人 WEATHERFORD/LAMB, INC.;LOGIUDICE, MICHAEL;SYMMS, JOSHUA VERNON;LIRETTE, BRENT J.;SCOTT, THAD JOSEPH;RING, LEV 发明人 LOGIUDICE, MICHAEL;SYMMS, JOSHUA VERNON;LIRETTE, BRENT J.;SCOTT, THAD JOSEPH;RING, LEV
分类号 E21B21/10;E21B34/08 主分类号 E21B21/10
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