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:
Aug. 16, 2016

Filed:

May. 24, 2011
Applicants:

Matthias Heil, Dotlingen, DE;

Frank Andriessen, Coevorden, NL;

Mirjam Zwanenburg, Houston, TX (US);

Inventors:

Matthias Heil, Dotlingen, DE;

Frank Andriessen, Coevorden, NL;

Mirjam Zwanenburg, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 29/00 (2006.01); E21B 33/14 (2006.01); E21B 33/134 (2006.01); E21B 17/20 (2006.01); E21B 33/13 (2006.01); E21B 43/114 (2006.01);
U.S. Cl.
CPC ...
E21B 29/002 (2013.01); E21B 17/20 (2013.01); E21B 29/005 (2013.01); E21B 33/13 (2013.01); E21B 33/134 (2013.01); E21B 33/14 (2013.01); E21B 43/114 (2013.01);
Abstract

An embodiment of a method for forming slots in a wellbore casing, comprises providing at least one cutting tool, the cutting tool comprising at least a jetting assembly and an indexing assembly, disposing the cutting tool into the wellbore via a conveyance, stopping movement along the wellbore axis of the cutting tool, and forming slots in the casing by actuating the indexing assembly such that the jetting assembly forms slots in a predetermined pattern in the casing. In an embodiment, the method further comprises flowing a material into the slots formed in the casing to seal the wellbore.


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