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. 14, 2017
Filed:
Jun. 27, 2011
Applicants:
John B. Fitzgerald, Cambridge, GB;
Kenneth E. Stephenson, Princeton, NJ (US);
Inventors:
John B. Fitzgerald, Cambridge, GB;
Kenneth E. Stephenson, Princeton, NJ (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 5/10 (2006.01); G01V 5/14 (2006.01);
U.S. Cl.
CPC ...
G01V 5/105 (2013.01); G01V 5/101 (2013.01); G01V 5/14 (2013.01); G01V 5/10 (2013.01);
Abstract
The present disclosure is intended to overcome the problem of hydrogen contamination of the density signal. The approach is to compute the neutron capture portion of the total gamma ray counts and subtract it from the total counts resulting in a pure inelastic gamma ray measurement.