APPARATUS AND METHODS FOR SPONGE CORING |
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| 申请号 | PCT/US0143768 | 申请日 | 2001-11-14 | 公开(公告)号 | WO0240824A3 | 公开(公告)日 | 2003-02-06 |
| 申请人 | BAKER HUGHES INC; | 发明人 | VAN PUYMBROECK LUC; WILSON BOB T; STIBBE HOLGER; HATLOY HALLVARD S; | ||||
| 摘要 | A sponge core barrel for use in performing sponge coring and methods of assembling the sponge core barrel, as well as methods of performing sponge coring. The sponge corre barrel includes an outer barrel assembly, a core bit secured to a lower end thereof, and an inner barrel assembly disposed therein. The inner barrel assembly may comprise multiple, sponge-lined inner tube sections. One or more sponge liners comprising an annular sponge layer secured within a tubular sleeve may be disposed within the inner barrel assembly. The present invention encompasses a number of embodiments of an improved sponge liner, as well as an inner barrel assembly comprised of one or more integrated sponge barrels. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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