Inventors:
Jimmy Duane Wiens - Willis TX, US
Yury P. Gutsu - Houston TX, US
Benson Thomas - Missouri City TX, US
Karsten Heidecke - Houston TX, US
Jim Hollingsworth - Cypress TX, US
Rodney Stephens - Houston TX, US
Russell W. Thompson - Hallsville TX, US
Patrick James Zimmerman - Houston TX, US
International Classification:
E21B 33/12, E21B 19/22, E21B 23/10
Abstract:
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.