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:
Apr. 28, 2026

Filed:

Jan. 17, 2024
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Hamed Chok, Houston, TX (US);

Bin Dai, Katy, TX (US);

Christopher Michael Jones, Katy, TX (US);

Jonas Toelke, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/08 (2006.01); E21B 21/08 (2006.01); E21B 47/06 (2012.01);
U.S. Cl.
CPC ...
E21B 49/0875 (2020.05); E21B 21/08 (2013.01); E21B 47/06 (2013.01); E21B 49/088 (2013.01);
Abstract

A method comprises receiving a measurement of a pressure in a subsurface formation at a number of depths in a wellbore formed in the subsurface formation across a sampling depth range of the subsurface formation to generate a number of pressure-depth measurement pairs. The method comprises partitioning the sampling depth range into a number of fluid depth ranges, wherein each of the number of fluid depth ranges comprises a range where a type of reservoir fluid is present in the subsurface formation. The method comprises determining a fluid gradient for the type of the reservoir fluid for each of the number of fluid depth ranges.


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