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. 16, 2018
Filed:
Aug. 26, 2015
Cameron International Corporation, Houston, TX (US);
Dennis P. Nguyen, Pearland, TX (US);
Jose Roberto Navar, Houston, TX (US);
Cameron International Corporation, Houston, TX (US);
Abstract
A tubing or casing hanger seal assembly is disclosed including an actuation sleeve to be mounted on a tubing hanger, a shoulder member to be mounted on the tubing hanger, and a seal assembly disposed between the actuation sleeve and the shoulder member. The seal assembly includes a first set or pair of seals engaged at a tapered interface, and a second set or pair of seals engaged at a tapered interface. Radial sectional areas can differ between seals of the seal pairs. Further, the first set of seals can be coupled to the second set of seals such that the first and second sets of seals are energized by the same setting motion of the actuation sleeve.