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The use of dual horizontal wells in gas production from hydrate accumulations
Li, Gang1,2; Li, Xiao-Sen1,2; Yang, Bo1,2; Duan, Li-Ping3; Huang, Ning-Sheng1,2; Zhang, Yu1,2; Tang, Liang-Guang4
2013-12-01
Source PublicationAPPLIED ENERGY
Volume112Pages:1303-1310
AbstractThe Pilot-Scale Hydrate Simulator (PHS, 117.8 L pressure vessel) is used to study the methane hydrate dissociation with dual horizontal wells using both the steam assisted gravity drainage (SAGD) and the steam assisted anti-gravity drainage (SAAD) methods. This study is the first time to propose the evaluation and the comparisons of the methane hydrate dissociation using these two methods. Both SAGD and SAAD technique are suitable for recovering gas from the unconsolidated hydrate reservoirs with high permeability. The experimental results indicate that in SAGD, the steam chamber expands and the fluid (gas and water) production process can be divided into three stages: (1) the original water and gas in the vessel are driven towards the well, and only gas is produced, (2) the gas and the original water are produced simultaneously, and (3) the steam chamber expands to the production well, and the hot water is produced. The area with limited temperature increase during the steam injection process corresponds to the hydrate undissociated zone in the reservoir. The hydrate dissociation rate, the gas production rate and the energy efficiency ratio (EER) in both the cases of SAGD and SAAD decrease over time. Comparing with that in SAGD, gas is easier to be produced from the upper production well in SAAD, and the long-term EER in SAAD is also larger. In a word, as a gas-producing method, SAAD seems to be more suitable for recovering gas from the hydrate reservoir than SAGD. (C) 2013 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordMethane Hydrate Porous Sediment Three-dimension Sagd Saad Energy Efficiency Ratio
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.apenergy.2013.03.057
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordMETHANE HYDRATE ; POROUS-MEDIA ; NUMERICAL-SIMULATION ; NATURAL-GAS ; PRODUCTION BEHAVIOR ; BEARING SEDIMENTS ; PUFF METHOD ; INJECTION ; DEPRESSURIZATION ; DISSOCIATION
Indexed BySCI ; ISTP
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000329377800141
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10121
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Peoples R China
3.Inst Sci & Tech Informat China, Beijing 100038, Peoples R China
4.CSIRO Earth Sci & Resource Engn, Clayton, Vic 3168, Australia
Recommended Citation
GB/T 7714
Li, Gang,Li, Xiao-Sen,Yang, Bo,et al. The use of dual horizontal wells in gas production from hydrate accumulations[J]. APPLIED ENERGY,2013,112:1303-1310.
APA Li, Gang.,Li, Xiao-Sen.,Yang, Bo.,Duan, Li-Ping.,Huang, Ning-Sheng.,...&Tang, Liang-Guang.(2013).The use of dual horizontal wells in gas production from hydrate accumulations.APPLIED ENERGY,112,1303-1310.
MLA Li, Gang,et al."The use of dual horizontal wells in gas production from hydrate accumulations".APPLIED ENERGY 112(2013):1303-1310.
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