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, 2014

Filed:

Oct. 30, 2008
Applicants:

Ian Ralph Collins, Middlesex, GB;

Andrew Russell Mason, Aberdeenshire, GB;

Inventors:

Ian Ralph Collins, Middlesex, GB;

Andrew Russell Mason, Aberdeenshire, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of storing COin a porous and permeable hydrocarbon reservoir having at least one injection well and at least one production well penetrating the reservoir, by recovering a produced fluid stream including produced hydrocarbons, produced water, and produced COfrom the production well; passing the produced fluid stream to a production facility where a produced vapor stream of carbon dioxide and volatile hydrocarbons is separated from the produced fluid stream; compressing the produced vapor stream to above the cricondenbar for the produced vapor stream; cooling the compressed stream to form a cooled stream that in a dense phase state; importing a COstream to an injection facility wherein the imported COis either in a liquid state or a supercritical state; mixing the cooled stream with the imported COstream thereby forming a co-injection stream; and injecting the co-injection stream into the hydrocarbon bearing reservoir from said injection well.


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