发明名称 |
Slat retention for inflatable packer |
摘要 |
<p>The strength of slats attached to an inflatable packer assembly by welding is increased by forming the slats of an age-hardening materials, welding the slats to the inflatable packer assembly in an annealed condition followed by age-hardening of the welded slats. A slat structure having much greater strength than welded cold-worked material is realized. <IMAGE></p> |
申请公布号 |
EP0599423(B1) |
申请公布日期 |
1997.12.29 |
申请号 |
EP19930203278 |
申请日期 |
1993.11.23 |
申请人 |
SOFITECH N.V.;COMPAGNIE DES SERVICES DOWELL SCHLUMBERGER S.A. |
发明人 |
SOREM, ROBERT M. |
分类号 |
E21B33/127;(IPC1-7):E21B33/127 |
主分类号 |
E21B33/127 |
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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