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:
May. 01, 1990
Filed:
May. 31, 1988
Applicant:
Inventors:
Jack H Cole, Ponca City, OK (US);
John S Gergely, Ponca City, OK (US);
Robert T Baumel, Ponca City, OK (US);
John E Strecker, Tonkawa, OK (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
367189 ; 181114 ; 367 75 ;
Abstract
The present invention relates to a method for generation of elliptically polarized shear waves in an earth medium using two shear wave vibrators engaged to the earth medium in cross-polarized attitude and driven at sweep rates having variable phase displacement.