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:
Dec. 22, 1998
Filed:
Jun. 23, 1997
Applicant:
Inventors:
Didier Pavone, Ecully, FR;
Jean-Pierre Desplans, St Garmain les Corbeil, FR;
Assignee:
Institut Francais du Petrole, , FR;
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
7315245 ; 7315203 ;
Abstract
The present invention relates to a system and to a method designed to estimate the effective displacement of a drill bit fastened to the end of a drill string and driven into rotation in a well by surface driving means. A non-linear physical model of the drilling process based on general mechanics equations is used in the invention. The following stages are performed in the method:
Pavone, Didier. (1998). Method and system for real-time estimation of at least one parameter (U.S. Patent No. 5852235). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5852235
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile