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.

Patent No.:

US 8292004 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 23, 2012

Filed:

May. 20, 2010
Applicants:

Steven E. Buchanan, Pearland, TX (US);

Adam Walkingshaw, Houston, TX (US);

Alex Slocum, Bow, NH (US);

Gokhan Erol, Katy, TX (US);

Inventors:

Steven E. Buchanan, Pearland, TX (US);

Adam Walkingshaw, Houston, TX (US);

Alex Slocum, Bow, NH (US);

Gokhan Erol, Katy, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 25/16 (2006.01); E21B 49/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Example downhole marking apparatus and methods to use the same are disclosed. A disclosed example apparatus includes a coring tool assembly for use in extracting a core sample from a subterranean formation adjacent a borehole; a sample container retainer operatively coupled to the coring tool assembly, wherein the sample container retainer is configured to hold a sample container configured to receive the core sample; and a scriber operatively coupled to the sample container retainer and configured to mark a surface of the sample container.


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