石油学报 ›› 2023, Vol. 44 ›› Issue (11): 1974-1992.DOI: 10.7623/syxb202311017
中国煤层气水平井钻完井技术研究进展
鲜保安1, 高德利2, 徐凤银3, 毕延森2, 李贵川4, 王京光5, 张洋6, 韩金良7
- 1. 河南理工大学资源环境学院 河南焦作 454000;
2. 中国石油大学(北京)石油工程教育部重点实验室 北京 102249;
3. 中联煤层气国家工程研究中心有限责任公司 北京 100095;
4. 中联煤层气(山西)有限责任公司三气共采技术创新中心 山西太原 030012;
5. 中国石油集团川庆钻探工程有限公司钻采工程技术研究院 陕西西安 710018;
6. 中国石油华北油田公司 河北任丘 062550;
7. 中石油煤层气有限责任公司工程技术研究院 陕西西安 710082
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收稿日期:2023-06-30修回日期:2023-09-25出版日期:2023-11-25发布日期:2023-12-08 -
通讯作者:高德利,男,1958年4月生,1990年获石油大学(北京)博士学位,现为中国科学院院士、中国石油大学(北京)教授、石油工程教育部重点实验室主任,长期从事油气井力学与控制工程、定向钻井、井筒完整性、深水钻井及工程作业极限、非常规油气大型井工厂钻完井技术等方面的科学研究与技术创新工作。Email:gaodeli@cup.edu.cn;毕延森,男,1986年3月生,2020年获中国石油大学(北京)硕士学位,现为中国石油大学(北京)博士研究生,主要从事水平井钻完井工艺技术、非常规天然气完井增产等方面的科研工作。Email:biyansen2014@163.com -
作者简介:鲜保安,男,1966年12月生,2006年获中国石油大学(北京)博士学位,现为河南理工大学教授、博士生导师,主要从事煤层气水平井钻完井与增产技术等方面的科研及教学工作。Email:759267753@qq.com -
基金资助:国家自然科学基金重点项目"复杂结构‘井工厂’立体设计建设基础研究"（No.52234002）和国家自然科学基金重点项目"煤层气低产储层靶向改造增产关键理论及技术基础"（No.42230814）资助。
Research progress of coalbed methane horizontal well drilling and completion technology in China
Xian Bao'an1, Gao Deli2, Xu Fengyin3, Bi Yansen2, Li Guichuan4, Wang Jingguang5, Zhang Yang6, Han Jinliang7
- 1. School of Resources and Environment, Henan Polytechnic University, Henan Jiaozuo 454000, China;
2. MOE Key Laboratory of Petroleum Engineering, China University of Petroleum, Beijing 102249, China;
3. China United Coalbed Methane National Engineering Research Center Co., Ltd., Beijing 100095, China;
4. Innovation Center of Three-gas Co-production Technology, China United Coalbed Methane (Shanxi)Co., Ltd., Shanxi Taiyuan 030012, China;
5. Research Institute of Drilling and Production Technology, CNPC Chuanqing Drilling Engineering Co., Ltd., Shaanxi Xi'an 710018, China;
6. PetroChina Huabei Oilfield Company, Hebei Renqiu 062550, China;
7. Research Institute of Engineering Technology, PetroChina Coalbed Methane Company Limited, Shaanxi Xi'an 710082, China
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Received:2023-06-30Revised:2023-09-25Online:2023-11-25Published:2023-12-08
摘要： 为了适应中国煤层复杂的地质条件与储层物性特征，水平井钻完井技术不断得以深化研究与发展，围绕"井工厂"形成了井型优化、储层保护、导向钻井和水平井适应性完井技术，逐渐成为中国煤层气高效开发的重要措施。为煤层气高效开发提供钻完井工程方面的技术支持，通过概述中国煤层气水平井钻完井技术研究进展，重点介绍了煤层气水平井完井技术3项研究成果：①形成了煤层水平井双管柱完井与增透一体化技术，在沁水盆地南部应用400余口井，并取得技术与产量突破；开展了井壁煤岩径向循环载荷实验，通过CT扫描技术检测了煤岩裂缝形成与扩展；基于煤岩双孔隙结构、非均质性和孔隙多尺度特征，修正了径向循环载荷下煤岩损伤变量计算模型。②提出了径向水平井柔性筛管液压驱动下入方法，优化设计了完井管柱结构与配套工具，建立了管柱-液压耦合计算模型，以深部煤层径向水平井为算例，计算两种完井管柱结构的最大下入长度分别达到381 m、655 m，为径向井筛管完井提供技术指导。③提出了复杂煤体结构煤层水平井分段复合完井增透方法，数值模拟了循环冲击波辅助水力压裂煤层裂缝扩展规律，通过该技术使停产井增产至2 000 m3/d。最后，概括了深部煤层气水平井钻完井发展技术要点，以大型"井工厂"为核心的配套技术将成为煤层气开发降本增效的关键技术，多约束条件轨道优化设计和控制技术是深部煤层水平井优快钻井的技术保障，水平井多元化完井增产技术将成为中国深部煤层气高效开发的新模式。
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引用本文
鲜保安, 高德利, 徐凤银, 毕延森, 李贵川, 王京光, 张洋, 韩金良. 中国煤层气水平井钻完井技术研究进展[J]. 石油学报, 2023, 44(11): 1974-1992.
Xian Bao'an, Gao Deli, Xu Fengyin, Bi Yansen, Li Guichuan, Wang Jingguang, Zhang Yang, Han Jinliang. Research progress of coalbed methane horizontal well drilling and completion technology in China[J]. Acta Petrolei Sinica, 2023, 44(11): 1974-1992.
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