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:
Nov. 10, 2020

Filed:

Dec. 19, 2016
Applicants:

Linde Aktiengesellschaft, Munich, DE;

John A. Babcock, Houston, TX (US);

Inventors:

John A. Babcock, Houston, TX (US);

Charles P. Siess, III, Conroe, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/58 (2006.01); E21B 43/16 (2006.01); C09K 8/584 (2006.01); C09K 8/594 (2006.01);
U.S. Cl.
CPC ...
C09K 8/58 (2013.01); C09K 8/584 (2013.01); C09K 8/594 (2013.01); E21B 43/16 (2013.01);
Abstract

A method for enhanced or improved oil recovery includes injecting a miscible injection fluid comprising an unfractionated hydrocarbon mixture through an injection well into a hydrocarbon bearing reservoir at a structurally higher position to initiate gravity-stable displacement and gas cap expansion processes. Residual hydrocarbons in the hydrocarbon bearing reservoir are mobilized and displaced by the miscible injection fluid to a structurally lower position within the hydrocarbon bearing reservoir adjacent a production well through which they are produced to the surface.


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