| 发明名称 |
Perforating charge for use in a well |
| 摘要 |
A perforating charge for use in a wellbore includes an explosive and a liner to be collapsed by detonation of the explosive. The liner includes at least a first liner portion and a second liner portion which have different cohesiveness. |
| 申请公布号 |
GB2434429(B) |
申请公布日期 |
2008.07.23 |
| 申请号 |
GB20060022659 |
申请日期 |
2006.11.14 |
| 申请人 |
SCHLUMBERGER HOLDINGS LIMITED |
发明人 |
BRENDEN M GROVE;ANDREW T WERNER;PHILIP KNEISL |
| 分类号 |
F42B1/032;E21B43/117 |
主分类号 |
F42B1/032 |
| 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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