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. 30, 2019
Filed:
Feb. 18, 2015
Qinterra Technologies As, Stavanger, NO;
Lasse Haugland, Bryne, NO;
Gunn Elin Toge, Stavanger, NO;
Qinterra Technologies AS, Stavanger, NO;
Abstract
The invention relates to a downhole tool () for use in a casing or tubing () in a well comprising a support () and a brush (). The downhole tool () further comprises a lever arm () having a first end (-) and a second end (-) opposite the first end (-). The lever arm () is pivotably mounted to the support () and the brush () is mounted at the second end (-) of the lever arm (). A driver means is provided for driving the lever arm () outwardly to press the brush against a wall of the casing or tubing () in operational use of the downhole tool (). An advantage of the invention is that one size of the downhole tool may fit all sizes of a casing or tubing. The invention also relates to method of cleaning and honing casings or tubings in a well.