发明名称 |
Casing Joint Assembly for Producing an Annulus Gas Cap |
摘要 |
A casing joint assembly and methods for producing an annulus gas cap using the casing joint assembly. The casing joint assembly comprises a first valve and a second valve to control fluid pressure in the sealed annulus between the casing string and a wall of the well bore or another casing string. |
申请公布号 |
US2015041140(A1) |
申请公布日期 |
2015.02.12 |
申请号 |
US201414502800 |
申请日期 |
2014.09.30 |
申请人 |
Landmark Graphics Corporation |
发明人 |
Mitchell Robert F. |
分类号 |
E21B34/06;E21B34/10;E21B34/14 |
主分类号 |
E21B34/06 |
代理机构 |
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代理人 |
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主权项 |
1. A casing joint assembly, which comprises:
a casing joint with a casing joint wall; a first valve positioned through an opening in the casing joint wall; and a second value positioned through another opening in the casing joint wall. |
地址 |
Houston TX US |