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. 21, 2005
Filed:
Jan. 23, 2004
Vladimir Dubinsky, Houston, TX (US);
James V. Leggett, Iii, Houston, TX (US);
Douglas J. Patterson, Spring, TX (US);
Herbert W. Beimgraben, Spring, TX (US);
Julie C. Slaughter, Ames, IA (US);
Toby Hansen, Ames, IA (US);
Duane E. Canny, Roland, IA (US);
Vladimir Dubinsky, Houston, TX (US);
James V. Leggett, III, Houston, TX (US);
Douglas J. Patterson, Spring, TX (US);
Herbert W. Beimgraben, Spring, TX (US);
Julie C. Slaughter, Ames, IA (US);
Toby Hansen, Ames, IA (US);
Duane E. Canny, Roland, IA (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
An acoustic logging apparatus comprises a drill collar conveyed on a drilling tubular in a borehole within a formation. At least one transmitter is disposed in the drill collar. The transmitter includes at least one magnetostrictive actuator cooperatively coupled by a flexure ring to a piston for converting a magnetostrictive actuator displacement into a related piston displacement for transmitting an acoustic signal in the formation.