The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 2020
Filed:
Jul. 26, 2017
Weatherford Technology Holdings, Llc, Houston, TX (US);
Jimmy Duane Wiens, Willis, TX (US);
Yury P. Gutsu, Moscow Moskovskaya, RU;
Benson Thomas, Pearland, TX (US);
Karsten Heidecke, Houston, TX (US);
Jim Hollingsworth, Cypress, TX (US);
Doyle Fredric Boutwell, Jr., Houston, TX (US);
Rodney Stephens, Houston, TX (US);
Russell W. Thompson, Hallsville, TX (US);
Patrick James Zimmerman, Houston, TX (US);
Weatherford Technology Holdings, LLC, Houston, TX (US);
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.