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. 07, 2002
Filed:
Apr. 17, 2000
Applicant:
Inventor:
Mitchell D. Pinckard, Lafayette, LA (US);
Assignee:
Noble Drilling Services, Inc., Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/400 ; E21B 7/00 ;
U.S. Cl.
CPC ...
E21B 4/400 ; E21B 7/00 ;
Abstract
A method of and system for optimizing bit rate of penetration while drilling substantially continuously determine an optimum control variable value necessary to achieve an optimum bit rate of penetration based upon measured conditions and maintains control variable value at the optimum control variable value. As measured conditions change while drilling, the method updates the determination of optimum control variable value.