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:
Feb. 10, 2009
Filed:
Apr. 10, 2003
Applicants:
Colin M Sayers, Houston, TX (US);
Sudhendu Kashikar, Houston, TX (US);
Patrick J. Hooyman, Houston, TX (US);
Inventors:
Colin M Sayers, Houston, TX (US);
Sudhendu Kashikar, Houston, TX (US);
Patrick J. Hooyman, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G 7/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method, apparatus and system for predicting the formation pressure ahead of a bit in a well, which includes using measurements taken in shales and permeable formations at or near the bit together with centriod calculations to improve models predicting what the pressures ahead of the bit will be.