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.
Patent No.:
Date of Patent:
Mar. 20, 2012
Filed:
Aug. 08, 2007
Applicants:
Chia-fu Hsu, Rijswijk, NL;
Ronald Jan Schoonebeek, Amsterdam, NL;
Inventors:
Chia-Fu Hsu, Rijswijk, NL;
Ronald Jan Schoonebeek, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing oil and/or gas comprising injecting a miscible enhanced oil recovery formulation into fractures, karsts, and/or vugs of a formation for a first time period from a first well; producing oil and/or gas from the fractures, karsts, and/or vugs from a second well for the first time period; injecting a miscible enhanced oil recovery formulation into the fractures, karsts, and/or vugs for a second time period from the second well; and producing oil and/or gas from the fractures, karsts, and/or vugs from the first well for the second time period.