IMECH-IR  > 流固耦合系统力学重点实验室
Conversion of Petroleum to Methane by the Indigenous Methanogenic Microorganisms for EOR in Heavy Oil Reservoir
Xia WJ; Shen WJ(沈伟军); Yu L; Zheng CG; Yu WC; Tang YC
Source PublicationApplied Energy
2016-03
Volume171Issue:2016Pages:646-655
ISSN0306-2619
Abstract

Microbial enhanced oil recovery has been well acknowledged and becoming an advanced technology for oil recovery. Compared with current techniques, a newly technical strategy of the in-situ heavy oil gasification to methane for oil viscosity reduction was proposed and successfully proved via enriching the methanogenic consortia from the brine of oil reservoir with heavy oil as carbon source. During 200 days anaerobic culturing, 2.34 g of heavy oil was degraded coupling with 1514 lmol of methane production. Phylogenetic diversity analysis showed that the enriched consortia composed with sequences affiliated with the Firmicutes, Proteobacteria, Deferribacteres and Bacteroidetes. The recovered archaeal phylotypes were close to the Methanobacteriales and Methanosarcinales, which could convert the produced small molecules (formic acid and acetic acids) to methane. The viscosity of the degraded heavy oil was reduced by 72.45% at 20 MPa after the dissolution of the produced methane. Core flooding tests finally showed that the oil degradation and methane production by the enriched methanogenic consortia made 14.7% of the tertiary enhanced oil recovery. These results demonstrated a promising and practical strategy of microbial technology on oil recovery by activating the methanogens in heavy oil reservoir.

KeywordHeavy Oil Methanogenics Biodegradation Methane Viscosity Oil Recovery
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000375515500051
WOS Research AreaEnergy & Fuels ; Engineering ; Chemical
WOS SubjectEnergy & Fuels ; Engineering
Funding Organization863 National High Technology Research and Development Program of China (2013AA064402) ; National Natural Science Foundation of China Grant (D308/41573068)
DepartmentLMFS海洋土力学(LHO)
Classification一类
RankingFalse
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60879
Collection流固耦合系统力学重点实验室
Corresponding AuthorXia WJ
Affiliation1.Power Environmental Energy Research Institute, CA 91722, USA
2.Institute of Porous Flow & Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, PR China
3.Petroleum Exploration and Production Research Institute, SINOPEC, PR China
4.College of Chemistry and Environmental Engineering, Yangtze University, PR China
Recommended Citation
GB/T 7714
Xia WJ,Shen WJ,Yu L,et al. Conversion of Petroleum to Methane by the Indigenous Methanogenic Microorganisms for EOR in Heavy Oil Reservoir[J]. Applied Energy,2016,171(2016):646-655.
APA Xia WJ,Shen WJ,Yu L,Zheng CG,Yu WC,&Tang YC.(2016).Conversion of Petroleum to Methane by the Indigenous Methanogenic Microorganisms for EOR in Heavy Oil Reservoir.Applied Energy,171(2016),646-655.
MLA Xia WJ,et al."Conversion of Petroleum to Methane by the Indigenous Methanogenic Microorganisms for EOR in Heavy Oil Reservoir".Applied Energy 171.2016(2016):646-655.
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