DOWNHOLE TOOL AND METHOD OF USE |
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| 申请号 | EP12826447 | 申请日 | 2012-08-22 | 公开(公告)号 | EP2748409A4 | 公开(公告)日 | 2016-11-16 |
| 申请人 | DOWNHOLE TECHNOLOGY LLC; | 发明人 | VANLUE DUKE; | ||||
| 摘要 | A composite member for a downhole tool that includes a resilient portion; and a deformable portion having at least one groove formed therein, wherein the groove is formed in a spiral pattern, wherein the resilient portion and the deformable portion are made of a first material, and wherein a second material is bonded to the deformable portion and at least partially fills into the groove. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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