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:
Nov. 15, 2011

Filed:

Dec. 30, 2009
Applicants:

Robert P. Clayton, Duncan, OK (US);

Kevin Berscheidt, Marlow, OK (US);

Michael C. Robertson, Arlington, TX (US);

Inventors:

Robert P. Clayton, Duncan, OK (US);

Kevin Berscheidt, Marlow, OK (US);

Michael C. Robertson, Arlington, TX (US);

Assignees:

Halliburton Energy Services Inc., Duncan, OK (US);

MCR Oil Tools, LLC, Arlington, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 29/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of removing a downhole tool from a wellbore comprising contacting the tool with a heat source wherein the tool comprises at least one load-bearing component comprising a thermally degradable material. A method of reducing the structural integrity of a downhole tool comprising fabricating the load-bearing components of the tool from a thermally degradable material. A method of removing a downhole tool comprising mechanically milling and/or drilling the tool from a wellbore wherein the tool comprises at least one load bearing component comprising a phenolic resin wherein the phenolic resin comprises a rosole, a novalac or combinations thereof.


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