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:
Oct. 06, 2015
Filed:
Jul. 08, 2011
Larry E. Reimert, Houston, TX (US);
Denise A. M. Antunes, Houston, TX (US);
Andrew J. Grohmann, Cypress, TX (US);
Bruce J. Witwer, Houston, TX (US);
Larry E. Reimert, Houston, TX (US);
Andrew J. Grohmann, Cypress, TX (US);
Bruce J. Witwer, Houston, TX (US);
Dril-Quip, Inc., Houston, TX (US);
Abstract
A seal assembly () is provided for sealing between an interior surface () on a wellhead () and a tapered exterior surface () on a hanger (). A unitary seal body () includes an upper portion for engagement with a force tool and a lower portion for sealing with the wellhead and the hanger. A first locking ring () is movable radially inward for securing the sealing assembly to the hanger, and a second locking ring () is movable radially outward for securing the seal assembly to the wellhead. An actuation member () including a plurality of downward extending fingers passing through slots in the seal body move downward through a portion of the body to force the first and second locking rings into engagement with the wellhead and the hanger.