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:
Nov. 02, 2010
Filed:
Aug. 18, 2003
Peter S. Aronstam, Houston, TX (US);
Larry Watkins, Houston, TX (US);
Roger Fincher, Conroe, TX (US);
James E. Goodson, Jr., Porter, TX (US);
Michael Carmody, Houston, TX (US);
Peter S. Aronstam, Houston, TX (US);
Larry Watkins, Houston, TX (US);
Roger Fincher, Conroe, TX (US);
James E. Goodson, Jr., Porter, TX (US);
Michael Carmody, Houston, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
An apparatus for generating seismic body waves in a hydrocarbon reservoir includes a closed-loop borehole source having a resonant cavity for generating resonant energy, a drive source and a control unit. The drive source injects pressure pulses to the resonant cavity at a predetermined or selectable pressure and frequency. The fluid circulates between the cavity and the drive source in a closed-loop fashion. In another embodiment, the borehole source utilizes a smart or controllable material that is responsive to an applied excitation field. The cavity includes an excitation coil for providing an excitation field that changes a material property of the smart fluid. The control unit is programmed to adjust operating parameters to produce seismic waves having a selected frequency and amplitude. In one embodiment, a control unit adjusts operating parameters in response to measured parameters of interest or surface commands.