Numerical Evaluation of Long-Term Depressurization Production of a Multilayer Gas Hydrate Reservoir and Its Hydraulic Fracturing Applications

doi:10.1021/acs.energyfuels.1c04017

GIEC OpenIR

	Numerical Evaluation of Long-Term Depressurization Production of a Multilayer Gas Hydrate Reservoir and Its Hydraulic Fracturing Applications
	Lv, Tao 1,5; Cai, Jing 1,2,3; Ding, Yalong 4; Pan, Jie 5; Chen, Zhaoyang 1,2; Li, Xiaosen1,2
	2022-03-17
发表期刊	ENERGY & FUELS
ISSN	0887-0624
卷号	36 期号:6 页码:3154-3168
通讯作者	Lv, Tao(lvtao@xsyu.edu.cn)
摘要	In this study, a multilayer gas hydrate reservoir model was implemented based on the geological conditions of the Shenhu area in the South China Sea (SHCS) to predict the production performance of the reservoir during long-term depressurization. Hydraulic fracturing technology was introduced to boost production, and its positive/negative impact on the production behavior of the hydrate reservoir was evaluated. Results show that hydrate dissociation is severely constrained by pressure propagation and fluid flow in the low reservoir. During production, almost half of the wellhead gas production is from the dissolved gas in seawater and the free gas contained in sediments. Massive secondary hydrate forms and gathers in the hydrate layer I and near the interface of hydrate layers. Underlying free gas is conducive to reservoir production, in which the cumulative wellhead gas production can be increased by similar to 59% compared to the reservoir lacking underlying free gas. On one hand, hydraulic fracturing can significantly promote hydrate dissociation and increase the capacity of production, especially for long-distance fracture implemented in the middle part of the hydrate layer. On the other hand, high permeability in the fractured zone also provides a convenient channel for water in the sedimentary layer. After hydraulic fracturing, the production efficiency of the reservoir is still low due to the involvement of more pore water. In future, the combination of hydraulic fracturing and other auxiliary means can be considered to develop hydrate reservoirs.
DOI	10.1021/acs.energyfuels.1c04017
关键词[WOS]	METHANE HYDRATE ; PRODUCTION BEHAVIOR ; DISSOCIATION ; SHENHU
收录类别	SCI
语种	英语
资助项目	Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences[E129kf1501] ; National Natural Science Foundation of China[51576202] ; National Natural Science Foundation of China[51736009] ; Guangdong Major project of Basic and Applied Basic Research[2020B0301030003]
WOS研究方向	Energy & Fuels ; Engineering
项目资助者	Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences ; National Natural Science Foundation of China ; Guangdong Major project of Basic and Applied Basic Research
WOS类目	Energy & Fuels ; Engineering, Chemical
WOS记录号	WOS:000797931600018
出版者	AMER CHEMICAL SOC
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/36621
专题	中国科学院广州能源研究所
通讯作者	Lv, Tao
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China 2.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China 3.Tech Univ Denmark, Ctr Energy Resources Engn, Dept Chem & Biochem Engn, DK-2800 Lyngby, Denmark 4.Huanghuai Univ, Coll Chem & Pharmaceut Engn, Zhumadian 463000, Peoples R China 5.Xian Shiyou Univ, Coll Petr Engn, Xian 710065, Peoples R China
第一作者单位	中国科学院广州能源研究所
推荐引用方式 GB/T 7714	Lv, Tao,Cai, Jing,Ding, Yalong,et al. Numerical Evaluation of Long-Term Depressurization Production of a Multilayer Gas Hydrate Reservoir and Its Hydraulic Fracturing Applications[J]. ENERGY & FUELS,2022,36(6):3154-3168.
APA	Lv, Tao,Cai, Jing,Ding, Yalong,Pan, Jie,Chen, Zhaoyang,&Li, Xiaosen.(2022).Numerical Evaluation of Long-Term Depressurization Production of a Multilayer Gas Hydrate Reservoir and Its Hydraulic Fracturing Applications.ENERGY & FUELS,36(6),3154-3168.
MLA	Lv, Tao,et al."Numerical Evaluation of Long-Term Depressurization Production of a Multilayer Gas Hydrate Reservoir and Its Hydraulic Fracturing Applications".ENERGY & FUELS 36.6(2022):3154-3168.