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:
Apr. 03, 2018
Filed:
Feb. 28, 2013
Applicant:
West Production Technology As, Stavanger, NO;
Inventors:
Odd B. Skjaerseth, Stavanger, NO;
Jarle Veshovde, Sola, NO;
Assignee:
West Production Technology AS, Stavanger, NO;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/14 (2006.01); E21B 23/00 (2006.01); E21B 4/18 (2006.01);
U.S. Cl.
CPC ...
E21B 23/00 (2013.01); E21B 4/18 (2013.01); E21B 23/14 (2013.01); E21B 2023/008 (2013.01);
Abstract
A feeding device is for a rotatable downhole tool. The feeding device is provided with several feeding wheels lying in a plane which is slanted relative to a plane which is perpendicular to the center axis of the downhole tool. A method is for feeding a downhole tool axially by the use of the feeding device, when working a portion of a surrounding pipe body.