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.

Date of Patent:
Aug. 27, 1991

Filed:

Oct. 16, 1989
Applicant:
Inventor:

Jacques Lessi, Maule, FR;

Assignee:

Institut Francais du Petrole, Rueil Malmaison, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
73155 ; 166250 ;
Abstract

A well logging process and device for use in a non-flowing production well, wherein the well is activated to trigger production of effluents on both sides of a first measuring arrangement, with at least a part of the effluents coming from upstream of the flow, relative to the measuring arrangement and being handled by the measuring arrangement.


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