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:
Sep. 25, 2007

Filed:

May. 10, 2004
Applicants:

Philip Edmund Fox, Covington, LA (US);

Gary James Frisch, Houston, TX (US);

Inventors:

Philip Edmund Fox, Covington, LA (US);

Gary James Frisch, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods for determining formation characteristics comprising establishing baseline casing conditions for a string of casing disposed within a wellbore in a formation and measuring updated casing conditions for the string of casing at a first time interval from the establishing of the baseline casing conditions. The baseline casing conditions are compared to the updated casing conditions to determine changes in the string of casing over the first time interval. These changes in the string of casing are then used to determine formation characteristics.


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