FILL UP TOOL

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.

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Bibliographische Detailangaben
Hauptverfasser:	THOMPSON RUSSELL W, ZIMMERMAN PATRICK JAMES, THOMAS BENSON, STEPHENS RODNEY, WIENS JIMMY DUANE, HOLLINGSWORTH JIM, GUTSU YURY P, HEIDECKE KARSTEN, BOUTWELL, JR. DOYLE FREDRIC
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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