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. 10, 2013
Filed:
Feb. 24, 2011
Applicants:
Jerry D. Smith, Spring, TX (US);
Martin Anthony Trumbull, Cypress, TX (US);
Inventors:
Jerry D. Smith, Spring, TX (US);
Martin Anthony Trumbull, Cypress, TX (US);
Assignee:
GE Oil & Gas Pressure Control LP, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for rotating a casing string in a borehole and a mandrel casing hanger and running tool system, include a selectively engageable connection between a mandrel casing hanger and a running tool; and a rotational force may be applied to the mandrel casing hanger, running tool, and casing string, without substantially tightening a threaded connection between the running tool and the mandrel casing hanger, by transmitting the rotational force through the selectively engageable connection.