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:
Oct. 13, 2020

Filed:

Sep. 25, 2018
Applicants:

Nissan Chemical America Corporation, Houston, TX (US);

Linde Ag, Munich, DE;

Inventors:

Robin Watts, Smithville, TX (US);

Kevin Watts, Spring, TX (US);

John Edmond Southwell, Glen Ellyn, IL (US);

David Holcomb, Florence, AZ (US);

Naveed Aslam, Bellaire, TX (US);

Yusra Khan Ahmad, Friendswood, TX (US);

Assignees:

Nissan Chemcial America Corporation, Houston, TX (US);

Messer Industries USA, Inc., Wilmington, DE (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/16 (2006.01); E21B 43/26 (2006.01); C09K 8/60 (2006.01); C09K 8/62 (2006.01); C09K 8/594 (2006.01);
U.S. Cl.
CPC ...
E21B 43/168 (2013.01); C09K 8/60 (2013.01); C09K 8/62 (2013.01); E21B 43/164 (2013.01); E21B 43/26 (2013.01); C09K 8/594 (2013.01); C09K 2208/10 (2013.01);
Abstract

A process of stimulating hydrocarbon recovery is described and claimed. This process includes introducing a gas, a liquified gas or a vaporized liquified gas, into an underground formation containing hydrocarbons such as crude oil and gas, permitting said gas to be absorbed by said hydrocarbons, and withdrawing said hydrocarbons containing the gas therein, wherein a pill of Hydrocarbon Recovery Fluid comprising surface functionalized nanoparticles is inserted into the underground formation containing hydrocarbons before, during or after the introduction of the gas, liquified gas or a vaporized liquified gas.


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