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Prediction of decline in shale gas well production using stable carbon isotope technique

文献类型：期刊论文

作者Zhao, Shengxian2,4,5; Kang, Shujuan3; Zheng, Majia2; Lu, Shuangfang4,5; Yang, Yunfeng1; Zhang, Huanxu1; Liu, Yongyang2; Xia, Ziqiang2; Zhang, Chenglin2; Hu, Haoran2
刊名FRONTIERS OF EARTH SCIENCE
出版日期2021-12-01
卷号15期号:4页码:849-859
ISSN号2095-0195
关键词shale gas production decline Longmaxi formation carbon isotope
DOI10.1007/s11707-021-0935-4
英文摘要Prediction of shale gas production is a challenging task because of the complex fracture-pore networks and gas flow mechanisms in shale reservoirs. Empirical methods, which are used in the industry to forecast the future production of shale gas, have not been assessed sufficiently to warrant high confidence in their results. Methane carbon isotopic signals have been used for producing gas wells, and are controlled by physical properties and physics-controlling production; they serve as a unique indicator of the gas production status. Here, a workable process, which is combined with a gas isotope interpretation tool (also known as a numerical simulator), has been implemented in Longmaxi shale gas wells to predict the production decline curves. The numerical simulator, which takes into account a convection-diffusion-adsorption model for the matrix and a convection model for fractures in (CH4)-C-13 and (CH4)-C-12 isotopologues, was used to stabilize the carbon isotope variation in the produced gas to elucidate gas recovery. Combined with the production rates of the four developing wells, the total reserves ranged from 1.72 x 10(8) to 2.02 x 10(8) m(3), which were used to constrain the trend of two-segment production decline curves that exhibited a transition from a hyperbolic equation to an exponential one within 0.82-0.89 year. Two-segment production decline curves were used to forecast future production and estimate ultimate recovery.
WOS关键词METHANE ADSORPTION ; SICHUAN BASIN ; FRACTIONATION ; FLOW ; DIFFUSION ; MODEL
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDA14050201]
WOS研究方向Geology
语种英语
出版者SPRINGER
WOS记录号WOS:000747028300009
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/104007]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Kang, Shujuan
作者单位1.Suzhou Grand Energy Technol Ltd, Suzhou 215129, Peoples R China
2.Shale Gas Inst PetroChina Southwest Oil & Gasfiel, Chengdu 610000, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
4.China Univ Petr East China, Sch Geosci, Qingdao 266580, Peoples R China
5.China Univ Petr East China, Key Lab Deep Oil & Gas, Qingdao 266580, Peoples R China
推荐引用方式
GB/T 7714		 Zhao, Shengxian,Kang, Shujuan,Zheng, Majia,et al. Prediction of decline in shale gas well production using stable carbon isotope technique[J]. FRONTIERS OF EARTH SCIENCE,2021,15(4):849-859.
APA Zhao, Shengxian.,Kang, Shujuan.,Zheng, Majia.,Lu, Shuangfang.,Yang, Yunfeng.,...&Zhu, Di.(2021).Prediction of decline in shale gas well production using stable carbon isotope technique.FRONTIERS OF EARTH SCIENCE,15(4),849-859.
MLA Zhao, Shengxian,et al."Prediction of decline in shale gas well production using stable carbon isotope technique".FRONTIERS OF EARTH SCIENCE 15.4(2021):849-859.

入库方式： OAI收割

来源：地质与地球物理研究所

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