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.

Bibliographische Detailangaben

Hauptverfasser:	BOUTWELL, JR., Doyle Fredric, STEPHENS, Rodney, THOMPSON, Russell W, WIENS, Jimmy Duane, THOMAS, Benson, HEIDECKE, Karsten, GUTSU, Yury P, ZIMMERMANN, Patrick James, HOLLINGSWORTH, Jim
Format:	Patent
Sprache:	eng ; fre ; ger
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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