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:
Dec. 15, 2015

Filed:

Aug. 20, 2010
Applicants:

Jørgen Hallundbæk, Græsted, DK;

Sven Karsten Jensen, Stenløse, DK;

Inventors:

Jørgen Hallundbæk, Græsted, DK;

Sven Karsten Jensen, Stenløse, DK;

Assignee:

WELLTEC A/S, Allerod, DK;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 27/00 (2006.01); B08B 9/043 (2006.01); B08B 9/051 (2006.01); E21B 37/02 (2006.01);
U.S. Cl.
CPC ...
E21B 27/00 (2013.01); B08B 9/0436 (2013.01); B08B 9/051 (2013.01); E21B 37/02 (2013.01);
Abstract

The present invention relates to a downhole tool head () for mounting onto a downhole tool () for drilling in a formation downhole or for releasing precipitated solids (), such as ice, scales or the like, in a cavity fluid in a pipeline, a casing (), a well or any other cavity downhole. The downhole tool head comprises a hollow cylindrical body () with a circumferential wall () extending from a base part of the body, the circumferential wall having a circumferential rim () in its end opposite the base part. The circumferential rim () comprises a plurality of edges () for cutting, grinding, drilling and/or milling, and the base part has a plurality of through-going holes () for letting cavity fluid comprising precipitated solids pass the holes.


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