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. 16, 1986
Filed:
Apr. 02, 1985
Gregg A Goris, Oxnard, CA (US);
John Pettit, Camarillo, CA (US);
Vetco Offshore Industries, Inc., Ventura, CA (US);
Abstract
Disclosed is a casing hanger 10 and running apparatus 16 wherein the casing hanger 10 is mechanically supported by a running thread ring 70 onto a running tool 20 for lowering into a wellhead 12, and wherein the packoff assembly 14 is held above the casing hanger 10 for circulating and cementing operations for improved flowby capabilities and wherein the packoff assembly 14 is mechanically lowered and energized to seal the annular seal area 32 comprising threading the packoff apparatus from the running apparatus 16 onto the casing hanger by rotation of the running tool 20, which concurrently also releases the casing hanger 10 from the running tool 20 by unthreading the primary thread ring 70 therefrom.