Resumes
Resumes
Zhaoduo Zhang Phones & Addresses
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1599 Calle Santiago, Pleasanton, CA 94566 (925) 461-7487
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Mountain House, CA
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1579 Quebec Ct, Sunnyvale, CA 94087 (408) 720-1198
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Alameda, CA
Publications
Us Patents
Alkaline Microbial Enhanced Oil Recovery
View pageUS Patent:
20130062053, Mar 14, 2013
Filed:
Feb 23, 2012
Appl. No.:
13/385520
Inventors:
William J. Kohr - Davis CA, US
Zhaoduo Zhang - Pleasanton CA, US
David J. Galgoczy - San Francisco CA, US
Zhaoduo Zhang - Pleasanton CA, US
David J. Galgoczy - San Francisco CA, US
International Classification:
C09K 8/582
US Classification:
166246, 435243, 4352521, 4352523
Abstract:
The present invention is related to the field of microbial enhanced oil recovery (MEOR). In particular, the invention concerns new, efficient, economical and environmentally safe microbial methods to enhance oil recovery, as well as microorganisms useful in such methods.
Microbial Enhnaced Oil Recovery
View pageUS Patent:
20180112504, Apr 26, 2018
Filed:
Dec 6, 2017
Appl. No.:
15/833929
Inventors:
- Golden CO, US
David J. Galgoczy - San Francisco CA, US
Zhaoduo Zhang - Pleasanton CA, US
David J. Galgoczy - San Francisco CA, US
Zhaoduo Zhang - Pleasanton CA, US
International Classification:
E21B 43/20
C12P 19/06
C09K 8/582
C12N 1/26
C12P 7/64
C12P 19/06
C09K 8/582
C12N 1/26
C12P 7/64
Abstract:
The present invention provides methods for increasing the viscosity of the drive fluid for displacing oil from a subterranean formation by the use of microorganisms selected or modified for the ability to produce cell free polymers without the formation of any significant bioplugging biofilm or capsule.
Microbial Enhanced Oil Recovery Method
View pageUS Patent:
20160222280, Aug 4, 2016
Filed:
Sep 11, 2014
Appl. No.:
14/917871
Inventors:
- Golden CO, US
David J. Galgoczy - San Francisco CA, US
Zhaoduo Zhang - Pleasanton CA, US
David J. Galgoczy - San Francisco CA, US
Zhaoduo Zhang - Pleasanton CA, US
Assignee:
GEO FOSSIL FUELS, LLC - Golden CO
International Classification:
C09K 8/582
E21B 43/20
E21B 43/20
Abstract:
The present invention provides methods for increasing the viscosity of the drive fluid for displacing oil from a subterranean formation by the use of microorganisms selected or modified for the ability to produce cell free polymers without the formation of any significant bioplugging biofilm or capsule.
Alkaline Microbial Enhanced Oil Recovery
View pageUS Patent:
20160152943, Jun 2, 2016
Filed:
Feb 9, 2016
Appl. No.:
15/019744
Inventors:
- Golden CO, US
Zhaoduo Zhang - Pleasanton CA, US
Zhaoduo Zhang - Pleasanton CA, US
International Classification:
C12N 1/20
C12N 1/00
C12N 1/00
Abstract:
The present invention is related to the field of microbial enhanced oil recovery (MEOR). In particular, the invention concerns new, efficient, economical and environmentally safe microbial methods to enhance oil recovery, as well as microorganisms useful in such methods.