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.
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申请公布号 |
US2012273225(A1) |
申请公布日期 |
2012.11.01 |
申请号 |
US201213458192 |
申请日期 |
2012.04.27 |
申请人 |
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 |
E21B34/08 |
主分类号 |
E21B34/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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