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. 20, 1996
Filed:
Sep. 12, 1994
Applicant:
Inventor:
Henry Henneuse, Billere, FR;
Assignee:
Elf Aquitaine Production, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
3408544 ; 3408549 ; 3408558 ; 3408533 ; 3408536 ;
Abstract
System for transmitting information between at least two units of a drilling assembly by means of an electrical link along the drill string. The system of the invention provides for multidirectional transmission between the units.