Patent · US Active

Fill up tool

US10626690B2 · kind B2 · utility

1Cited by

83References

10Claims

0Family size

Assignee

WEATHERFORD TECHNOLOGY HOLDINGS, LLC · US

Inventors

Jimmy Duane Wiens · Willis, US
Yury P. Gutsu · Samara, RU
Benson Thomas · Pearland, US
Karsten Heidecke · Houston, US
Jim Hollingsworth · Cypress, US
Doyle Fredric Boutwell, Jr. · Houston, US
Rodney Stephens · Houston, US
Russell W. Thompson · Hallsville, US
Patrick J. Zimmerman · Houston, US

Key dates

Filing date	Jul 26, 2017
Grant date	Apr 21, 2020
Priority date	—
Expiry date	Jul 26, 2037

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B33/04
WIPO fieldCivil engineering
WIPO sectorOther fields

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.