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. 13, 2026
Filed:
Apr. 29, 2021
Applicants:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Ping Zhang, Albany, CA (US);
Shouxiang MA, Dhahran, SA;
Wael Abdallah, Dhahran, SA;
Chengbing Liu, Dhahran, SA;
Assignees:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Saudi Arabian Oil Company, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 5/06 (2006.01); G01N 27/22 (2006.01); G01N 33/24 (2006.01); G01V 3/28 (2006.01); G06F 18/241 (2023.01);
U.S. Cl.
CPC ...
G01V 5/06 (2013.01); G01N 27/221 (2013.01); G01N 33/24 (2013.01); G01V 3/28 (2013.01); G06F 18/241 (2023.01);
Abstract
The disclosure relates to methods and systems for identifying formations that are clay-free or with minimal amount of clays, which have high hydrocarbon potential, by using both low frequency permittivity measurements (e.g., low-frequency permittivity measurements) and natural gamma ray flux measurements.