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:
Sep. 04, 2018
Filed:
Mar. 03, 2016
Applicant:
Onesubsea Ip Uk Limited, London, GB;
Inventor:
Benjamin Scott Berryhill, Houston, TX (US);
Assignee:
OneSubsea IP UK Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/038 (2006.01); E21B 33/043 (2006.01); E21B 33/035 (2006.01); E21B 23/01 (2006.01);
U.S. Cl.
CPC ...
E21B 33/038 (2013.01); E21B 33/035 (2013.01); E21B 33/043 (2013.01); E21B 23/01 (2013.01);
Abstract
A self-adjusting lockdown assembly for engaging and/or preloading a tubular hanger to an interior of a wellhead housing. The lockdown assembly includes a support sleeve, a body received in the support sleeve, an elevator ring coaxially engaged with the support sleeve, a lock ring engaged with the elevator ring, and an actuator sleeve configured to move axially between the body and the elevator ring so as to adjust the position of the lock ring.