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:
Aug. 30, 1994
Filed:
Jun. 23, 1993
Applicant:
Inventors:
Mario Ruscev, Orsay, FR;
Marc A Pinto, Sceaux, FR;
Assignee:
Schlumberger Technology Corporation, Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V / ; G01F / ;
U.S. Cl.
CPC ...
250270 ; 250269 ; 2503561 ; 376166 ; 376159 ;
Abstract
A method and apparatus for studying the flow of water along a well, on the basis of a general spectrum g(t) of gamma ray detection numbers detected in a detection zone over a given detection duration and as a function of time, said gamma rays resulting from the activation of oxygen atoms in water by neutrons emitted by a source to create an activation reaction O.sup.16 (n,p)N.sup.16.