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:
Jun. 27, 2006

Filed:

Apr. 01, 2003
Applicants:

Eric Charles Sullivan, Houston, TX (US);

Theodore Edward Zaleski, Jr., Spring, TX (US);

Scott Ray Schmidt, The Woodlands, TX (US);

Don Quy Nguyen, Houston, TX (US);

Glenn R. Zadrapa, Highlands, TX (US);

Timothy K. Marvel, The Woodlands, TX (US);

Daniel E. Ruff, Kingwood, TX (US);

Inventors:

Eric Charles Sullivan, Houston, TX (US);

Theodore Edward Zaleski, Jr., Spring, TX (US);

Scott Ray Schmidt, The Woodlands, TX (US);

Don Quy Nguyen, Houston, TX (US);

Glenn R. Zadrapa, Highlands, TX (US);

Timothy K. Marvel, The Woodlands, TX (US);

Daniel E. Ruff, Kingwood, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

An improved drill bit for use in drilling operations in a wellbore comprising a bit body including a plurality of bit legs, each supporting a rolling cone cutter, a lubrication system for a rolling cone cutter, at least one lubrication sensor for monitoring at least one condition of said lubricant during drilling operations, and an electronics member in the bit body for recording data obtained form said lubrication sensor.


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