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:
Nov. 22, 2016
Filed:
Feb. 14, 2011
Applicants:
Magnar Tveiten, Sandnes, NO;
Erling Kleppa, Jorpeland, NO;
Øyvind Stokka, Sandnes, NO;
Inventors:
Assignee:
PETROLEUM TECHNOLOGY COMPANY AS, Stavanger, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/02 (2006.01); E21B 33/06 (2006.01); E21B 33/068 (2006.01);
U.S. Cl.
CPC ...
E21B 34/02 (2013.01); E21B 33/068 (2013.01); Y10T 137/6851 (2015.04);
Abstract
A valve () having at least one flange portion () for securing to a wellhead Christmas tree () for shutting off a pipe outlet () from the wellhead Christmas tree (). At least one of the flange portions () includes integrated devices () for operation of a second unit () mounted outside the valve ().