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:
Sep. 03, 2019
Filed:
Mar. 18, 2015
Dow Global Technologies Llc, Midland, MI (US);
Harpreet Singh, Pearland, TX (US);
Naoko Akiya, Missouri City, TX (US);
Wu Chen, Lake Jackson, TX (US);
Paul A. Gillis, Lake Jackson, TX (US);
Abu Mokhtarul Hassan, Pearland, TX (US);
Zubin B. Kuvadia, Houston, TX (US);
Biplab Mukherjee, Pearland, TX (US);
Jorge H. Pazmino, Pearland, TX (US);
Defne Kayrak Talay, Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
The present invention relates to an in situ staged steam extraction method for removing petroleum products from a heavy oil or bitumen reservoir from subterranean locations. Specifically, each injection stage comprises a different steam composition. A steam composition may consist essentially of steam or may comprise one or more enhanced oil recovery agent.