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CO2 WAG Process with Gel Treatment Considering Flowing Gel Viscosity in Heavy Oil Reservoir

Title
CO2 WAG Process with Gel Treatment Considering Flowing Gel Viscosity in Heavy Oil Reservoir
Author
이근상
Keywords
WAG; microgel; viscosity; mobility ratio; sweep efficiency
Issue Date
2015-06
Publisher
ISOPE
Citation
Proceedings of the Twenty-fifth (2015) International Ocean and Polar Engineering Conference, Page. 14-21
Abstract
To overcome unfavorable sweep efficiency of CO2 flooding in heavy oil reservoir, an integrated gel treatment with CO2 WAG flooding has been regarded as one of the possible technical suggestions. However, the effects of flowing gel viscosity have not been studied much in previous studies. This paper covers a quantitative simulation study involving hybrid gel treatment with CO2 WAG flood with dynamic gel viscosity in heterogeneous stratified heavy oil reservoir. Due to the mobility and conformance improvement, and oil viscosity reduction, the microgel assisted WAG with dynamic gel viscosity made 31% improvement in recovery factor compared with conventional WAG.
URI
https://www.onepetro.org/download/conference-paper/ISOPE-I-15-415?id=conference-paper%2FISOPE-I-15-415http://hdl.handle.net/20.500.11754/25398
ISBN
978-1-880653-89-0
ISSN
1098-6189
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > EARTH RESOURCES AND ENVIRONMENTAL ENGINEERING(자원환경공학과) > Articles
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