<p>A fill up tool includes a mandrel; a primary sealing member disposed around the mandrel; and a selectively operable secondary sealing member activated by rotation of the mandrel. In another embodiment, the selectively operable secondary sealing member is activated using hydraulic pressure.</p>
申请公布号
CA2807650(A1)
申请公布日期
2012.02.16
申请号
CA20112807650
申请日期
2011.08.09
申请人
WEATHERFORD/LAMB, INC.
发明人
WIENS, JIMMY DUANE;GUTSU, YURY P.;THOMAS, BENSON;HEIDECKE, KARSTEN;HOLLINGSWORTH, JIM;BOUTWELL, DOYLE FREDRIC JR.;STEPHENS, RODNEY;THOMPSON, RUSSELL W.;ZIMMERMANN, PATRICK JAMES
