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:
Jan. 07, 2025

Filed:

Nov. 01, 2021
Applicant:

University of Wyoming, Laramie, WY (US);

Inventors:

Lamia Goual, Laramie, WY (US);

Kaustubh Shriram Rane, Laramie, WY (US);

Bingjun Zhang, Laramie, WY (US);

Assignee:

UNIVERSITY OF WYOMING, Laramie, WY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/584 (2006.01); C09K 8/594 (2006.01); E21B 43/16 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C09K 8/584 (2013.01); C09K 8/594 (2013.01); E21B 43/168 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C09K 2208/10 (2013.01);
Abstract

In one embodiment, a method for recovery of an oil from a porous medium comprises contacting the porous medium with an aqueous nanofluid, solubilizing oil from the porous medium via the nanoparticles to form a dispersion comprising the oil and the aqueous nanofluid, and collecting at least some of the dispersion. The aqueous nanofluid may contain a combination of amphiphilic quantum dots and hydrophilic quantum dots, in a continuous phase. At least 90% of the quantum dot nanoparticles may have an aspect ratio of from 1:1 to 1:6. In another embodiment, a method for recovery of an oil from a porous medium includes adding quantum dots to foaming surfactants to enhance foam lamella stability under reservoir conditions and provide conformance and mobility control in porous media and hydraulic fractures.


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