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:
Apr. 19, 2011

Filed:

Oct. 30, 2008
Applicant:

Steffen Berg, Rijswijk, NL;

Inventor:

Steffen Berg, Rijswijk, NL;

Assignee:

Shell Oil Company, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/22 (2006.01); E21B 43/24 (2006.01); E21B 43/30 (2006.01); E21B 43/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system for producing oil and/or gas from an underground formation comprising a first array of wells dispersed above the formation; a second array of wells dispersed above the formation; wherein the first array of wells comprises a mechanism to inject a miscible enhanced oil recovery formulation into the formation while the second array of wells comprises a mechanism to produce oil and/or gas from the formation for a first time period; and wherein the second array of wells comprises a mechanism to inject a remediation agent into the formation while the first array of wells comprises a mechanism to produce the miscible enhanced oil recovery formulation from the formation for a second time period.


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