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Analysis on geologic conditions affecting the performance of gas production from hydrate deposits
Huang, Li1,2; Su, Zheng1; Wu, Nengyou1,3,4; Cheng, Jiawang1,2
2016-11-01
Source PublicationMARINE AND PETROLEUM GEOLOGY
Volume77Pages:19-29
AbstractPotential of gas production from hydrate deposits depends on occurrence features of the hydrate deposits and production methods, and fundamentally it is determined by geologic conditions of the hydrate reservoir. The geologic conditions mainly include reservoir porosity (Phi), hydrate saturation (S-H), formation permeability (K), thickness of hydrate-bearing layer (HBL) (H), initial pressure (P-0) and temperature (T-0) of the HBL. Profound differences of the conditions have been revealed by the global marine drilling programs. Orthogonal design, as a statistic method, is employed in this work to systematically investigate the relative importance of these diverse geologic conditions on hydrate decomposition as well as production performance of gas and water from the Class 2 offshore hydrate accumulations. The analysis results show that the order of the significance levels of the geologic conditions on cumulative gas production is K > Phi> S-H > T-0> P-0> H; while the order of that on the water-to-gas ratio is P-0>K>Phi>S-H>H>T-0. The results suggest that it is favorable for production from the hydrate deposits characterized by the conditions of the high permeability, moderate porosity (40%), moderate-to-high hydrate saturation (38%-67%) and the low initial pressure (10.79-13.38 MPa). This research gives a forward sight for production prediction and provides a reference in selection of production target. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordGas Hydrate Geologic Condition Production Potential Orthogonal Design Range Analysis
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.marpetgeo.2016.05.034
WOS Subject ExtendedGeology
WOS KeywordGULF-OF-MEXICO ; DEPRESSURIZATION ; ACCUMULATIONS ; RESERVOIRS ; SITE
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(41276057) ; Key Arrangement Programs of the Chinese Academy of Sciences(KGZD-EW-301) ; China Geological Survey(GZH2012006003)
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000384861400002
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/13947
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Inst Marine Geol, Minist Land & Resources, Key Lab Gas Hydrate, Qingdao 266071, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Huang, Li,Su, Zheng,Wu, Nengyou,et al. Analysis on geologic conditions affecting the performance of gas production from hydrate deposits[J]. MARINE AND PETROLEUM GEOLOGY,2016,77:19-29.
APA Huang, Li,Su, Zheng,Wu, Nengyou,&Cheng, Jiawang.(2016).Analysis on geologic conditions affecting the performance of gas production from hydrate deposits.MARINE AND PETROLEUM GEOLOGY,77,19-29.
MLA Huang, Li,et al."Analysis on geologic conditions affecting the performance of gas production from hydrate deposits".MARINE AND PETROLEUM GEOLOGY 77(2016):19-29.
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