发明名称 |
PERFORATION METHOD AND APPARATUS |
摘要 |
A signature element is attached to a downhole cable or other protected equipment and the signal from a signature position detector is used, at least in part, to control the orientation of a directed perforating device or other directional device. Signal emitting sources can include a radioactive material added to an encapsulating composition of a downhole cable. |
申请公布号 |
WO03083248(A2) |
申请公布日期 |
2003.10.09 |
申请号 |
WO2003US09156 |
申请日期 |
2003.03.24 |
申请人 |
UNION OIL COMPANY OF CALIFORNIA;PINTO, C., JASON |
发明人 |
PINTO, C., JASON |
分类号 |
E21B;E21B43/119;E21B47/09 |
主分类号 |
E21B |
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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