| 发明名称 |
PRIMARY AND SECONDARY SEAL ASSEMBLIES WITH CONTACTING CONVEX SURFACES. |
| 摘要 |
A seal assembly for sealing the annular space (115) between a production casing (140) and tubing (130). The seal assembly includes primary seal members (205) having a circular, oval, or elliptically shaped cross section, and secondary seal members (202) having convex sections (222) for abutting the primary seal members (205).
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| 申请公布号 |
MX9709625(A) |
申请公布日期 |
1998.07.31 |
| 申请号 |
MX19970009625 |
申请日期 |
1997.12.05 |
| 申请人 |
EXXON PRODUCTION RESEARCH COMPANY |
发明人 |
PHILIP L. ABRAMS;RICHARD SHEPHERD;JUSTIN R. HAWKES |
| 分类号 |
F16J15/16;E21B33/12;F16J15/20;(IPC1-7):F16J15/26 |
主分类号 |
F16J15/16 |
| 代理机构 |
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代理人 |
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| 地址 |
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