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:
Jul. 30, 1996
Filed:
Jan. 31, 1995
Applicant:
Inventors:
John F Priest, Tomball, TX (US);
Mathew G Schmidt, Palo Alto, CA (US);
Roger R Steinsiek, Houston, TX (US);
Paul G Junghans, Houston, TX (US);
Assignee:
Western Atlas International, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ; H01L / ;
U.S. Cl.
CPC ...
367 35 ; 367 25 ; 367911 ; 181102 ; 181105 ;
Abstract
The signal-to-noise ratio of televiewer signals from a rotary sidewall acoustic-beam scanner is improved by replacing the volume of borehole drill fluid that lies in the path of the acoustic beam with a solid medium characterized by a lower coefficient of attenuation than that of the drill fluid.