HELICAL COIL ANNULAR ACCESS PLUG AND ABANDONMENT |
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| 申请号 | US15918393 | 申请日 | 2018-03-12 | 公开(公告)号 | US20180258735A1 | 公开(公告)日 | 2018-09-13 |
| 申请人 | ConocoPhillips Company; | 发明人 | Randall S. SHAFER; | ||||
| 摘要 | A method for creating access to annular spacing during P&A operations is described. Specifically, helical coils are cut into one or more casings before the plugging material is set. The plugging material is able to exit the helical coils, forming multiple, small rock-to-rock seals. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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