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. 13, 2011
Filed:
Sep. 30, 2009
Michael W. Spiering, Kingwood, TX (US);
Maoye Sun, Cypress, TX (US);
Paul D. Bunch, Houston, TX (US);
Eric D. Larson, Tomball, TX (US);
Michael W. Spiering, Kingwood, TX (US);
Maoye Sun, Cypress, TX (US);
Paul D. Bunch, Houston, TX (US);
Eric D. Larson, Tomball, TX (US);
Cameron International Corporation, Houston, TX (US);
Abstract
In accordance with certain embodiments, the present invention provides a connector for attaching to a multi-toothed profile on a wellhead features a tooth profile that staggers loading preferably starting at a loading surface furthest from the connector body sitting on the wellhead and moving toward the connector body. The staggered loading more evenly distributes stresses on the matching loading surfaces as compared to the result of using a tooth profile on the connector that nearly exactly matches the profile on the wellhead. The joint can then take advantage of an increased preload and exhibit improved stress characteristics when operating at high loading conditions.