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:
Jan. 09, 1996
Filed:
Sep. 07, 1994
Applicant:
Inventor:
William R Sloan, Missouri City, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
250254 ; 250262 ; 2502693 ; 250369 ;
Abstract
A method and apparatus is disclosed for distinguishing gamma ray induced pulses from shock induced pulses of a scintillation detector used in logging while drilling tools. The method and apparatus identifies detector pulses which occur within a predetermined time interval from a previous pulse as shock induced pulses and identifies pulses that occur after a predetermined time interval from a previous pulse as gamma ray induced pulses.