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. 25, 2012
Filed:
Mar. 22, 2010
Javier Adolfo Garcia, Edmonton, CA;
Javier Adolfo Garcia, Edmonton, CA;
Robbins & Myers Energy Systems L.P., Willis, TX (US);
Abstract
An apparatus for supporting a rotatable tubing string in a well and for tensioning the tubing string includes a tubing head () and inner mandrel () positioned at least partially within the tubing head and supporting the tubing string. A bushing () is supported on the tubing head and engages the inner mandrel, such that the bushing and the inner mandrel rotate together. A tubing rotator () is provided for rotating the bushing, with a tubing rotator having a rotator mandrel connected to the bushing. A plurality of circumferentially spaced J-lock mechanisms () between the bushing and the inner mandrel are provided for tensioning the tubing string.