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. 26, 1993
Filed:
Aug. 06, 1992
Charles D Bridges, Houston, TX (US);
ABB Vetco Gray Inc., Houston, TX (US);
Abstract
An adjustable mandrel hanger assembly will maintain tension in a section of casing extending from a subsea location to a surface wellhead. The assembly has a mandrel that secures to the upper end of the casing. The mandrel has grooves on its exterior. A collet slides over the mandrel and has grooves on its interior for mating with the grooves on the mandrel. The collet has inclined load flanks on its exterior. A load ring lands on a load shoulder provided in the surface wellhead housing. The load ring has load flanks on its interior that engage the load flanks of the collet. A retaining ring locks the load ring in the wellhead housing. A running tool pushes downward on the load ring while tension is maintained on the mandrel. The collet ratchets over the mandrel grooves.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile