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:
Jul. 30, 2024

Filed:

Feb. 23, 2022
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventor:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 33/12 (2006.01); G01N 27/74 (2006.01);
U.S. Cl.
CPC ...
G01R 33/1276 (2013.01); G01N 27/74 (2013.01);
Abstract

A tracer composition includes a carrier fluid and a tracer particle that includes at least one magnetic material and an acoustic signal generating material. A method includes introducing a tracer composition into a reservoir at a first location. The method further includes collecting fluid from the reservoir at a second location, where the first location is different from the second location. The method also includes applying a magnet field to the fluid collected from the reservoir such that the magnetic material produces vibrational energy. Due to the vibrational energy generated in the magnetic material, thermal energy is transferred to the acoustic signal generating material thereby heating the acoustic signal generating material to a boiling point such that the acoustic signal is generated. The method further includes detecting the acoustic signal and correlating the acoustic signal to a tracer particle concentration.


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