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:
Feb. 03, 2026

Filed:

Jan. 11, 2024
Applicant:

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

Inventors:

Rohin Naveena-Chandran, Houston, TX (US);

Syed Muhammad Farrukh Hamza, Houston, TX (US);

Gibran Mushtaq Hashmi, Houston, TX (US);

Jason A Rogers, Houston, TX (US);

Christopher Michael Jones, Katy, TX (US);

Anthony Herman Vanzuilekom, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/08 (2006.01); E21B 47/06 (2012.01); E21B 49/10 (2006.01);
U.S. Cl.
CPC ...
E21B 49/08 (2013.01); E21B 47/06 (2013.01); E21B 49/10 (2013.01);
Abstract

In general, in one aspect, embodiments relate to a method, that includes lowering a downhole tool to a target depth of a wellbore, sampling reservoir fluid containing asphaltene at the target depth using the downhole tool, controlling a pressure of the sampled reservoir fluid while downhole to induce one or more phase transitions of the asphaltene, measuring the sampled reservoir fluid after inducing the one or more phase transitions, and identifying fluid composition of the reservoir fluid based on the measuring.


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