LATCHABLE CASING WHILE DRILLING SYSTEMS AND METHODS |
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| 申请号 | EP14905445 | 申请日 | 2014-12-23 | 公开(公告)号 | EP3204587A4 | 公开(公告)日 | 2018-08-01 |
| 申请人 | HALLIBURTON ENERGY SERVICES INC; | 发明人 | JEREZ HERNANDO Q; HAY RICHARD T; EVANS JOHN G; SANKESHWARI ROHIT; | ||||
| 摘要 | Latchable casing while drilling systems and methods are disclosed. Some system embodiments include a casing string including an upper latch apparatus and a lower latch apparatus. The system also includes a bottom hole assembly (BHA) latched into the lower latch apparatus for steerable drilling, the BHA configured to latch into the upper latch apparatus for enlarging a rat hole. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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