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:
Jul. 25, 2017
Filed:
Jan. 31, 2013
Applicant:
Statoil Petroleum As, Stavanger, NO;
Inventors:
Halvor Kjørholt, Trondheim, NO;
Gisle Stjern, Trondheim, NO;
Assignee:
STATOIL PETROLEUM AS, Stavanger, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/13 (2006.01); E21B 33/134 (2006.01); E21B 29/02 (2006.01);
U.S. Cl.
CPC ...
E21B 33/13 (2013.01); E21B 29/02 (2013.01); E21B 33/134 (2013.01);
Abstract
A method of plugging a well extending into a hydrocarbon bearing formation fascilitates temporary or permanent abandonment of the well. The method includes detonating one or more explosive charges within a tubular or tubulars extending through the well in order to remove, fragment and or cut one or more sections of the tubulars around the entire circumference of the well to expose the surrounding formation or cement. The well is then filled in the region of the exposed surrounding formation or cement with a sealing material so as to form one or more plugs within the well to seal the well.