| 发明名称 |
PRECISION MARKING OF SUBSURFACE LOCATIONS |
| 摘要 |
A method for performing a downhole operation includes marking at least one location in a wellbore using a magnetized material. The magnetized material may generate a magnetic field stronger than a magnetic field generated in the wellbore by a surrounding formation. |
| 申请公布号 |
WO2012125274(A2) |
申请公布日期 |
2012.09.20 |
| 申请号 |
WO2012US26690 |
申请日期 |
2012.02.27 |
| 申请人 |
BAKERS HUGHES INCORPORATED;CHEN, SONGHUA |
发明人 |
CHEN, SONGHUA |
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