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A new method of mineral inversion based on error analysis and static response equation error: A case study of a shale gas reservoir in the Wufeng-Longmaxi Formation

文献类型：期刊论文

作者Liu, Weinan1; Zhang, Chaomo2,5; Zhang, Zhansong2,5; Li, Jun4; Zhu, Linqi3; Hu, Song4; Zhou, Xueqing3
刊名INTERPRETATION-A JOURNAL OF SUBSURFACE CHARACTERIZATION
出版日期2022-02-01
卷号10期号:1页码:T117-T126
ISSN号2324-8858
DOI10.1190/INT-2019-0208.1
通讯作者Zhang, Chaomo
英文摘要The accurate quantitative calculation of mineral components is very important and basic work in formation evaluation. Using well-log data to estimate mineralogy and porosity is a mainstream method with core measurements often used. However, in shale reservoirs, there are many mineral components, such as organic matter and pyrite. In addition, the pore structure is complex, and gas exists in the pores as free state, adsorbed state, and dissolved state. These factors make the logging response characteristics more complex and thus the estimation of the mineral components more difficult. To address this problem, we have adopted a mineral inversion method based on error analysis and response equation error. Based on the error analysis of the mineral inversion method, we first establish a technique to obtain interpretation parameters and the function of the response equation error combined with the core data. Then, based on the weighted total least-squares method, we construct the objective function, and we use the improved krill herd algorithm to solve the problem. Finally, we estimate the mineral component volume. The calculated results indicate that the method can accurately determine the clay, quartz + feldspar, carbonate contents, and porosity by conventional logging data. Compared to the traditional mineral inversion method, the average relative error is reduced by 11.1%. The method has high applicability to shale reservoirs and can supply the basic parameters for formation evaluation.
WOS关键词CHEMISTRY
资助项目Yangtze University Excellent Doctoral and Master's Degree Thesis Cultivation Program, National Science and Technol-ogy Major Project[2017ZX05032003-005] ; Yangtze University Excellent Doctoral and Master's Degree Thesis Cultivation Program, National Science and Technol-ogy Major Project[2016ZX05060-002] ; Yangtze University Excellent Doctoral and Master's Degree Thesis Cultivation Program, National Science and Technol-ogy Major Project[2016ZX05002-005-001] ; Open Fund of Key Labora-tory of Exploration Technologies for Oiland Gas Resources (Yangtze University) ; Ministry of Education[K2018-11]
WOS研究方向Geochemistry & Geophysics
语种英语
出版者SOC EXPLORATION GEOPHYSICISTS
WOS记录号WOS:000759412500028
资助机构Yangtze University Excellent Doctoral and Master's Degree Thesis Cultivation Program, National Science and Technol-ogy Major Project ; Open Fund of Key Labora-tory of Exploration Technologies for Oiland Gas Resources (Yangtze University) ; Ministry of Education
源URL[http://ir.idsse.ac.cn/handle/183446/9303]  
专题深海科学研究部_深海地球物理与资源研究室
通讯作者Zhang, Chaomo
作者单位1.CNOOC China Ltd, Shenzhen Branch, Shenzhen 518054, Peoples R China
2.Yangtze Univ, Key Lab Explorat Technol Oil & Gas Resources, Wuhan 430100, Peoples R China
3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
4.SINOPEC, Explorat & Prod Res Inst, Beijing 100083, Peoples R China
5.Yangtze Univ, Hubei Cooperat Innovat Ctr Unconvent Oil & Gas, Wuhan 430100, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Weinan,Zhang, Chaomo,Zhang, Zhansong,et al. A new method of mineral inversion based on error analysis and static response equation error: A case study of a shale gas reservoir in the Wufeng-Longmaxi Formation[J]. INTERPRETATION-A JOURNAL OF SUBSURFACE CHARACTERIZATION,2022,10(1):T117-T126.
APA Liu, Weinan.,Zhang, Chaomo.,Zhang, Zhansong.,Li, Jun.,Zhu, Linqi.,...&Zhou, Xueqing.(2022).A new method of mineral inversion based on error analysis and static response equation error: A case study of a shale gas reservoir in the Wufeng-Longmaxi Formation.INTERPRETATION-A JOURNAL OF SUBSURFACE CHARACTERIZATION,10(1),T117-T126.
MLA Liu, Weinan,et al."A new method of mineral inversion based on error analysis and static response equation error: A case study of a shale gas reservoir in the Wufeng-Longmaxi Formation".INTERPRETATION-A JOURNAL OF SUBSURFACE CHARACTERIZATION 10.1(2022):T117-T126.

入库方式： OAI收割

来源：深海科学与工程研究所

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