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.:
Date of Patent:
Jun. 03, 2003
Filed:
Oct. 27, 2000
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);
Baker Hughes Incorporated, , TX (US);
Abstract
An improved drill bit includes a bit body, a coupling member formed at an upper shank portion. It further includes at least one sensor for monitoring at least one condition of the bit during drilling operations. In one embodiment the at least one sensor is a capacitor disposed in a lubrication pathway. An electronics bay is defined in-part by the upper shank portion. It houses at least one monitoring circuit. A battery cavity is disposed in at least one of the bit legs. A battery cavity cap is provided. A seal is provided to seal the battery cavity cap at the bit leg to define a fluid tight battery cavity.