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. 21, 2012

Filed:

Oct. 23, 2009
Applicants:

Chad T. Jurica, Spring, TX (US);

Scott F. Donald, The Woodlands, TX (US);

Adam R. Williams, Conroe, TX (US);

Inventors:

Chad T. Jurica, Spring, TX (US);

Scott F. Donald, The Woodlands, TX (US);

Adam R. Williams, Conroe, TX (US);

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/43 (2006.01);
U.S. Cl.
CPC ...
Abstract

An earth-boring tool includes a bit body having a face on which two different types of cutters are disposed, the first type being cutting elements suitable for drilling at least one subterranean formation and the second type suitable for drilling through at least one elastomeric component of a casing string, as well as a casing shoe and cement. Methods of drilling with an earth-boring tool include engaging and drilling an elastomeric component using at least one abrasive cutting structure.


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