鄂尔多斯盆地致密砂岩气高效开发技术及其应用效果

doi:10.7623/syxb202501017

石油学报 ›› 2025, Vol. 46 ›› Issue (1): 255-264.DOI: 10.7623/syxb202501017

• 油田开发 • 上一篇

鄂尔多斯盆地致密砂岩气高效开发技术及其应用效果

贾爱林, 郭智, 韩江晨

中国石油勘探开发研究院北京 100083

收稿日期:2024-11-05 修回日期:2024-12-04 发布日期:2025-02-15
作者简介:贾爱林,男,1966年9月生,2006年获中国石油勘探开发研究院博士学位,现为中国石油勘探开发研究院教授级高级工程师,主要从事气田开发相关研究。Email:jal@petrochina.com.cn
基金资助:
中国石油天然气集团有限公司前瞻性基础性技术攻关项目(2024DJ86)和中国石油天然气集团有限公司科技项目(2023YQX103)资助。

Efficient development technologies and application effects of tight sandstone gas in Ordos Basin

Jia Ailin, Guo Zhi, Han Jiangchen

PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, China

Received:2024-11-05 Revised:2024-12-04 Published:2025-02-15

摘要/Abstract

摘要： 鄂尔多斯盆地致密气资源丰富,经过20年的开发实践与技术攻关,建成中国最大的天然气生产基地之一。鄂尔多斯盆地气藏开发阶段可划分为评价阶段、建产阶段、稳产及提高采收率阶段3个阶段,评价阶段建立了陆相致密气沉积模式和开发理论,形成了以低成本开发为核心的富集区优选和开发指标评价等关键技术,助推了储量的有效动用;建产阶段随着地质认识的加深和提高单井产量的需求,形成了井型井网优化和储层压裂改造技术,支撑了产量的快速提升;稳产与提高采收率阶段持续加深储层精细描述,形成了以提高储量动用程度为核心的提高采收率技术系列,辅以大平台工厂化作业模式进一步降本增效,保障了气田开发效益和开发效果。建议持续开展富集区精细挖潜、致密区"上下古"立体开发、富水区效益动用等关键技术攻关,完善低产低效井综合治理措施,推动开发水平和开发效益的不断提升。

关键词: 致密气, 鄂尔多斯盆地, 开发阶段, 高效开发技术, 效益开发, 提高采收率

Abstract: Ordos Basin is rich in tight gas resources, after 20 years of development practices and technical innovations, it has become China’s largest natural gas production base. The gas reservoir development process is divided into 3 stages of evaluation, production establishment, stable production and recovery enhancement. During the evaluation stage, a continental tight gas depositional model and development theory were established, as well as key technologies such as low-cost development strategies, preferential selection of enrichment zones, and evaluation of development indicators, which promoted effective reserve utilization. In the production establishment stage, the increasing geological understandings and the demand for improving single-well output led to the development of well type and well pattern optimization and reservoir fracturing stimulation techniques, supporting a rapid increase in production. In the stable production and recovery enhancement stage, precise reservoir characterization continued to be improved, forming a series of recovery enhancement technologies with a focus on improving reserve utilization. Supported by a large-platform, factory-like operation mode, these technologies can reduce costs and increase efficiency, thus ensuring the benifit and effectiveness of gas field development. The recommendations include tackling problems in key technologies, such as continuously implementing fine potental tapping, three-dimensional development of Upper and Lower Paleozoic tight zones, as well as efficient utilization in water-rich areas, and improving comprehensive treatment measures for low-production and inefficient wells. These efforts aim to continuously enhance development levels and benefits.

Key words: tight gas, Ordos Basin, development stages, efficient development technologies, cost-effective development, enhanced oil recovery

中图分类号:

TE37

贾爱林, 郭智, 韩江晨. 鄂尔多斯盆地致密砂岩气高效开发技术及其应用效果[J]. 石油学报, 2025, 46(1): 255-264.

Jia Ailin, Guo Zhi, Han Jiangchen. Efficient development technologies and application effects of tight sandstone gas in Ordos Basin[J]. Acta Petrolei Sinica, 2025, 46(1): 255-264.

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鄂尔多斯盆地致密砂岩气高效开发技术及其应用效果

Efficient development technologies and application effects of tight sandstone gas in Ordos Basin

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