四川盆地中坝气田雷三气藏高效开发及其对中国高含硫气藏开采的意义  

Efficient development of Leisan gas reservoir in Zhongba Gas Field of the Sichuan Basin and its implications for the development of high sulfur gas reservoirs in China

作　　者：胡勇 惠栋[1,4] 杜强 蒋德生[1,2] 李滔 刘其松[1,6] 闫静 陈颖莉 李隆新 刘微 HU Yong;HUI Dong;DU Qiang;JIANG Desheng;LI Tao;LIU Qisong;YAN Jing;CHEN Yingli;LI Longxin;LIU Wei(National Energy R&D Center of High-Sulfur Gas Reservoir Exploitation,Chengdu,Sichuan 610041,China;PetroChina Southwest Oil&Gasfield Company,Chengdu,Sichuan 610051,China;Southwest Petroleum University,Chengdu,Sichuan 610500,China;Exploration and Development Research Institute,PetroChina Southwest Oil&Gasfield Company,Chengdu,Sichuan 610041,China;Northwest Sichuan Division,PetroChina Southwest Oil&Gasfield Company,Jiangyou,Sichuan 621741,China;Natural Gas Research Institute,PetroChina Southwest Oil&Gasfield Company,Chengdu,Sichuan 610041,China)

机构地区：[1]国家能源高含硫气藏开采研发中心 [2]中国石油西南油气田公司,四川成都610051 [3]西南石油大学 [4]中国石油西南油气田公司勘探开发研究院,四川成都610041 [5]中国石油西南油气田公司川西北气矿 [6]中国石油西南油气田公司天然气研究院

出　　处：《天然气工业》2024年第11期24-36,共13页Natural Gas Industry

基　　金：中国石油集团公司重大科技专项“复杂碳酸盐岩气藏效益上产与提高采收率技术研究”(编号:2023ZZ16-03)。

摘　　要：四川盆地中坝气田雷三气藏是中国首个自主开发的大中型高含硫有水天然气藏,经过50余年的勘探与开发,当前气藏采收率高达95%以上,已经成为中国高含硫气藏高效开发的典范。在对雷三气藏地质特征、开发建设历程与成效、开发主体技术等内容进行系统梳理、总结和回顾的基础上,阐述了雷三气藏高效开发对中国大型整装复杂(特)高含硫气藏的指导和奠基作用。研究结果表明:①创新形成了多维度全要素的高含硫有水气藏全生命周期精细描述策略和高效开发模式,实现高含硫有水气藏稀井高产、长周期稳产的重大突破;②创新形成了集增产改造、解堵酸化、排水采气、增压集输为一体的高含硫有水气藏开采系列技术体系,有效解决高含硫有水气藏开发中后期低压、超低压开发阶段的关键生产难题;③创新建立了高含硫有水气藏井筒—地面腐蚀评价和防护技术体系,形成了国内高含硫气藏开发整体腐蚀控制基本理念和技术体系1.0版;④创新研发了高含硫天然气有机硫脱除溶剂和具有自主知识产权的硫黄回收系列催化剂,建立了针对高含硫气藏包括脱硫、脱水、硫黄回收、尾气处理、轻烃回收等天然气处理技术1.0版;⑤集成创新并打造首个高含硫气藏全系统安全风险管控技术体系,保障气藏安全平稳运行近40年。结论认为,该气藏树立了国内同类高含硫气藏高效开发的典范,推动了中国高含硫气藏开发理念认识创新与理论技术突破,在此基础上建设了全国唯一的国家能源高含硫气藏开采研发中心和中国石油高含硫气藏开采先导试验基地,为中国高含硫气藏开发技术加快发展和高含硫天然气快速上产稳产奠定了坚实的技术基础。The Leisan gas reservoir in the Zhongba Gas Field of the Sichuan Basin,which is independently developed in China,is the first large-medium high sulfur gas reservoir with water that is independently developed in China,and its recovery factor is currently up to 95%after over 50 years of exploration and development,which makes it a typical model of efficiently developed high sulfur gas reservoir in China.After systematically analyzing,summarizing and reviewing the geological characteristics,development construction process and achievements,and main development technologies of the Leisan gas reservoir,this paper elaborates on the guiding and foundational role of the efficient development of Leisan gas reservoir in China's large-scale monoblock complex high sulfur gas reservoirs.And the following research results are obtained.First,it has innovatively formed a multi-dimensional,total-factor and precise description strategy and efficient development model for the entire life cycle of high sulfur gas reservoirs with water,achieving a significant breakthrough in high production and long-term stable production of sparse wells in high sulfur gas reservoirs with water.Second,it has innovatively formed a series of technical systems for the development of high sulfur gas reservoirs with water,which integrates stimulation,blockage removal and acidizing,drainage and gas recovery,and boosting transportation,effectively solving the key production problems in the low pressure and ultra-low pressure development stages of high sulfur gas reservoirs during the middle and later periods of development.Third,it has innovatively established a wellbore-ground corrosion evaluation and prevention technology system for high sulfur gas reservoirs with water,forming the basic concept and technical system for overall corrosion control in domestic high sulfur gas field development(version 1.0).Fourth,it has innovatively developed organic sulfur removal solvents for acid gas and the sulfur recovery series catalysts with independent intellectual p

关 键 词：四川盆地 中坝气田 雷三气藏 高含硫天然气 有水 安全高效开发 

分 类 号：TE37[石油与天然气工程—油气田开发工程]