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:
Aug. 23, 2011
Filed:
Jan. 13, 2009
Applicants:
Yibing Zheng, Houston, TX (US);
Daniel Moos, Palo Alto, CA (US);
Xiao Ming Tang, Sugar Land, TX (US);
Vladimir Dubinsky, Houston, TX (US);
Douglas J. Patterson, Spring, TX (US);
Inventors:
Yibing Zheng, Houston, TX (US);
Daniel Moos, Palo Alto, CA (US);
Xiao Ming Tang, Sugar Land, TX (US);
Vladimir Dubinsky, Houston, TX (US);
Douglas J. Patterson, Spring, TX (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 1/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
Cross-dipole measurements are obtained in a borehole. By estimating a direction of polarization of the fast shear mode at low and high frequencies and comparing the estimated distances, a cause of anisotropy is established. Formation stresses and directions may be estimated.