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. 31, 2023
Filed:
Jun. 23, 2020
Applicant:
Onesubsea Ip Uk Limited, London, GB;
Inventor:
John Meijer, Sugar Land, TX (US);
Assignee:
OneSubsea IP UK Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/05 (2006.01); E21B 17/01 (2006.01);
U.S. Cl.
CPC ...
E21B 17/05 (2013.01); E21B 17/01 (2013.01);
Abstract
An improved swivel with increased sealing capability at fluid pressures up to 20 ksi and at fluid temperatures as high as 250° F. and as low as 35° F. The swivel may be relatively compact, being less than 8 feet in overall length and can operate unpressurized with axial loads of at high as 1,400,000 lbs. The swivel may comprise a swivel mandrel rotationally coupled with a swivel housing. Rotational bearings units can be securely held using cartridge carriers. A pressure seal may be formed between the swivel mandrel and swivel housing via a redundant seal stack.