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:
Jun. 27, 2000
Filed:
Apr. 21, 1995
Applicant:
Inventors:
Guy Pignard, Rueil Malmaison, FR;
Claude Mabile, Clamart, FR;
Assignee:
Institut Francais du Petrole, Rueil, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175 40 ; 175 45 ; 166 66 ;
Abstract
As assembly and apparatus for analyzing a physical behavior of a drill string. The assembly includes at least two measuring sensors arranged at each end of a portion of a length of the drill string. A processing installation is provided and is adapted to receive, process, record and synchronize at least one signal coming from the sensor.