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:
Feb. 24, 2015
Filed:
Jun. 06, 2013
Applicant:
Aker Oilfield Services Operation As, Oslo, NO;
Inventor:
Steingrim Thommesen, Oslo, NO;
Assignee:
Aker Oilfield Services Operation AS, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/00 (2006.01); E21B 15/02 (2006.01); E21B 7/128 (2006.01); E21B 33/072 (2006.01); E21B 19/22 (2006.01);
U.S. Cl.
CPC ...
E21B 7/128 (2013.01); E21B 33/072 (2013.01); E21B 19/22 (2013.01);
Abstract
A tension frame () for its application in a riser system for hydrocarbon exploration and production. The tension frame is () installed on a well control unit () atop at least one riser () in said riser system. The frame is adapted to receive a pressure control unit and hold it in line with the centre of the riser. The tension frame () houses at least two pre-installed pressure control equipment units () of which one at a time is adapted to be hold at an active position, in which the unit is in line with the centre of the riser, and the other is adapted to be kept in a parked position within the frame.