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:
Aug. 26, 1986
Filed:
Oct. 16, 1984
David W Hughes, Houston, TX (US);
Vetco Offshore Industries, Inc., Ventura, CA (US);
Abstract
A tieback connector 10 for connecting tieback conductors 14 between a platform and a casing hanger 22 in a subsea well system 20 comprising a split ring 44 on a connector body member 12 having external threads 32 capable of mating with internal threads 24 on the casing hanger 22 and capable of ratcheting over said internal threads 24 as the connector is stabbed into the casing hanger 22. Rotation of the connector 10 will actuate a locking means 54-66 (and 54A-66A) by the combined action of the threads and relative axial movement of said split ring and body member 12 to thread and lock said connector in said casing hanger. An anti-rotation key 50 permits axial relative movement of the split ring 44 and body 12 but prevents relative rotational movement therebetween.