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.

Date of Patent:
Sep. 21, 2021

Filed:

Dec. 04, 2018
Applicant:

Altus Intervention (Technologies) As, Stavanger, NO;

Inventor:

Svein Edvardsen, Borkenes, NO;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/02 (2006.01); E21B 4/04 (2006.01); E21B 21/12 (2006.01); E21B 27/04 (2006.01); E21B 21/08 (2006.01); E21B 17/22 (2006.01); E21B 7/18 (2006.01); E21B 10/18 (2006.01); E21B 29/00 (2006.01);
U.S. Cl.
CPC ...
E21B 21/08 (2013.01); E21B 4/02 (2013.01); E21B 4/04 (2013.01); E21B 17/22 (2013.01); E21B 21/12 (2013.01); E21B 27/04 (2013.01); E21B 7/18 (2013.01); E21B 10/18 (2013.01); E21B 29/002 (2013.01);
Abstract

A downhole tool string forming a free end portion for performing an operation in a well having a well fluid, the string comprising towards the free end portion; a motor for delivering a rotational speed, a pump connected the motor for circulating the well fluid through a first port and a second port, a gear housing comprising a gear being driven by the pump and delivering a reduced rotational speed, a tool shaft rotatable by the gear at the reduced rotational speed; a reservoir around a section of the tool shaft for collecting dislodged material, and a material dislodging means connected to the tool shaft, wherein the gear housing further comprises a first fluid channel for providing fluid communication between the pump and the first port via the tool shaft being hollow, and a second fluid channel for providing fluid communication between the pump and second port via the reservoir.


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