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:
Feb. 24, 2004
Filed:
Apr. 10, 2002
W. Gregory Presley, Spring, TX (US);
Christopher S. Charles, Houston, TX (US);
Steven R. Radford, The Woodlands, TX (US);
Matthew J. Meiners, Spring, TX (US);
Mark E. Morris, Lafayette, LA (US);
D. Jay Clinkscales, Spring, TX (US);
Jeffrey B. Lund, The Woodlands, TX (US);
Robert A. Laing, Spring, TX (US);
Matthew D. Mumma, Conroe, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
A method and apparatus for reaming or enlarging a borehole with the ability to drill cement, cement float equipment, and debris out of a casing without substantial damage to the casing interior or the reaming apparatus. The reaming apparatus also provides enhanced protection from contact with the casing wall for selected structural features and elements thereof.