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.

Date of Patent:
Oct. 08, 2019

Filed:

Jul. 26, 2012
Applicants:

Steve Allan Horne, Perth, AU;

John Walsh, Houston, TX (US);

Inventors:

Steve Allan Horne, Perth, AU;

John Walsh, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/30 (2006.01); G01V 1/42 (2006.01); E21B 41/00 (2006.01); G01V 1/28 (2006.01);
U.S. Cl.
CPC ...
G01V 1/306 (2013.01); E21B 41/0092 (2013.01); G01V 1/42 (2013.01); G01V 1/284 (2013.01);
Abstract

A method can include providing compressional and shear-wave slowness data for a homogeneous, anisotropic formation at deviated borehole angles greater than 40 degrees and less than 90 degrees as defined by a vertical transverse isotropy (VTI) symmetry axis; providing a relationship for normal and tangential compliances (e.g., Band B); and, based on the data and the relationship, outputting a model for calculating anisotropy parameter values (e.g., α, ε, .δ) that characterize the homogeneous, anisotropic formation (e.g., along a borehole angle of 90 degrees). Various other apparatuses, systems, methods, etc., are also disclosed.


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