柿庄南区块3号煤层含气量三维建模

周优; 张松航; 唐书恒; 喻天成; 冯钊

doi:10.3969/j.issn.1001-1986.2020.01.013

柿庄南区块3号煤层含气量三维建模

周优^1,2,3,
张松航^1,2,3, ,,
唐书恒^1,2,3,
喻天成^1,2,3,
冯钊⁴

1. 中国地质大学(北京)能源学院，北京 100083;
2. 非常规天然气地质评价与开发工程北京市重点实验室，北京 100083;
3. 资源环境与灾害监测山西省重点实验室，山西晋中 030600;
4. 中海油能源发展股份有限公司工程技术分公司，天津 300452

基金项目:

国家自然科学基金项目（41872178）；国家科技重大专项课题（2017ZX05064-003）

详细信息

作者简介:
周优,1994年生,男,山西阳泉人,硕士研究生,从事煤层气地质与开发研究工作.E-mail:zhouyou@cugb.edu.cn

通讯作者:
张松航,1982年生,男,河南南阳人,博士,副教授,从事煤层气地质与开发研究工作.E-mail:zhangsh@cugb.edu.cn

中图分类号: P618
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- 文章访问数: 147
- HTML全文浏览量: 10
- PDF下载量: 21
出版历程
- 收稿日期: 2019-06-09
- 修回日期: 2019-10-27
- 发布日期: 2020-02-24

Gas content modeling of No.3 coal seam in district 3 of southern Shizhuang block

ZHOU You^1,2,3,
ZHANG Songhang^1,2,3, ,,
TANG Shuheng^1,2,3,
YU Tiancheng^1,2,3,
FENG Zhao⁴

1. School of Energy, China University of Geosciences(Beijing), Beijing 100083, China;
2. Beijing Key Laboratory of Unconventional Natural Gas Geological Evaluation and Development Engineering, Beijing 100083, China;
3. Shanxi Key Laboratory of Resources, Environment and Disaster Monitoring, Jinzhong 030600, China;
4. CNOOC Energy Development Co. Ltd., Engineering Technology Branch, Tianjin 300452, China

Funds:

National Natural Science Foundation of China (41872178)

摘要

摘要: 煤层含气量对煤层气开发有直接影响。柿庄南区块煤层含气量相对较高，但开发过程中存在较多低效井，开展含气量三维地质建模有助于厘定含气性对煤层气井产量的影响。以沁水盆地柿庄南区块3号煤层为研究对象，运用多元回归分析方法依次建立基于埋深、灰分、挥发分及固定碳含量等参数的含气量预测公式及基于测井数据的煤岩工业分析各组分含量预测公式，最终得出柿庄南区块基于测井数据的含气量预测模型并应用于全区，与实测值对比表明预测结果较好。运用Petrel软件基于预测结果构建含气量模型，探讨3号煤层含气量三维分布特征。研究表明，区内3号煤层含气量介于11~20 m³/t，其主控因素为煤层埋深和构造部位。该模型对研究区煤层气井低产因素厘定和煤层气开发生产具有指导意义。移动阅读
- 煤层气 /
- 含气量 /
- 多元回归分析 /
- Petrel /
- 三维地质建模 /
- 沁水盆地 /
- 柿庄南区块
Abstract: The gas content of coal seam has a direct impact on the development of coalbed methane. The gas content of coal seam in southern Shizhuang block is high, but there are many inefficient wells in the development process, and the 3D geological modeling of gas content can help determine the influence of gas content on the production of CBM wells. In this paper, the research object is the No.3 coal seam in southern Shizhuang block. Calculated gas content from linear multivariate regression by using parameters of ash content, volatile matter content and fixed carbon content and simple burial depth matches well with laboratory measured values, and the coal proximate analysis parameters were predicted by log data. Finally, the gas content prediction equation of southern Shizhuang block based on logging data was established, and the equation was used to predict the gas content of No.3 coal seam in the research area. The predicted value is closed to the measured value. Then construction of gas content model based on the predicted value with Petrel software, and the 3D distribution characteristics of gas content in No.3 seam were analyzed. The research shows that the gas content of No.3 coal seam in the block is between 11-20 m³/t. The main control factors of gas content in the study area are the burial depth and the structural position. The model has guiding significance for the determination of low production factors of coalbed methane wells in the study area and the development of coalbed methane.
- CBM /
- gas content /
- multiple regression analysis /
- Petrel /
- 3D geological modeling /
- Qinshui basin /
- southern Shizhuang block

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