Changeable well seal tool |
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| 申请号 | US14888815 | 申请日 | 2014-06-06 | 公开(公告)号 | US10107064B2 | 公开(公告)日 | 2018-10-23 |
| 申请人 | Halliburton Energy Services, Inc.; | 发明人 | William Mark Richards; Andy Cheng Chang; Charles Timothy Smith; | ||||
| 摘要 | A well seal tool includes a base tubing and a seal element carried on an exterior of the base tubing. The seal element includes a polymer changeable between a compressed state and a sealing state. The seal element has a first stiffness in response to a first strain rate of the polymer and a second, substantially higher stiffness in response to a second, higher strain rate of the polymer. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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