石油学报 ›› 2026, Vol. 47 ›› Issue (2): 466-481,490.DOI: 10.7623/syxb202602012
• 石油工程 • 上一篇
翁定为1,2, 杨战伟1,2, 彭建新3, 才博1,2, 付海峰1,2, 王丽伟1,2, 刘举3, 高莹1,2, 黄瑞1,2, 徐敏杰1,2, 张朝阳4
收稿日期:2025-01-07
修回日期:2025-12-25
发布日期:2026-03-13
通讯作者:
杨战伟,男,1982年11月生,2012年获中国石油勘探开发研究院硕士学位,现为中国石油勘探开发研究院高级工程师,主要从事水力压裂技术研究工作。Email:yzw69@petrochina.com.cn
作者简介:翁定为,男,1981年6月生,2013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压裂酸化技术中心主任、教授级高级工程师,主要从事压裂工艺技术方面的研究。Email:wendw69@petrochina.com.cn
基金资助:Weng Dingwei1,2, Yang Zhanwei1,2, Peng Jianxin3, Cai Bo1,2, Fu Haifeng1,2, Wang Liwei1,2, Liu Ju3, Gao Ying1,2, Huang Rui1,2, Xu Minjie1,2, Zhang Zhaoyang4
Received:2025-01-07
Revised:2025-12-25
Published:2026-03-13
摘要: 万米以深碳酸盐岩储层改造面临超高地应力压开难度大、超高温酸蚀裂缝改造范围小距离短、对压裂液耐温要求高、低排量加砂难度大等难题。基于对该类油气储集层特点及部分井改造低产低效原因的分析,研究了低排量超高施工压力产生的原因及对改造效果的影响,从降低施工压力及实现体积改造出发,提出了主体改造技术及改造探索技术方向。理论及物理模拟实验分析超高地应力与钻完井形成的致密储层附加应力保护层是超高施工压力主要原因,高密度加重压裂配合地面超高压设备可有效解决该难题。酸压物理模拟证实可借助节理缝实现体积改造,改造形成主裂缝同时酸蚀侧向节理缝,高温酸蚀裂缝有效性分析得出近井易形成过渡溶蚀,远井带残酸形成的裂缝以无效缝为主。提出高密度加重+多级复合超远酸压的主体技术及探索加砂压裂和加砂与酸压的复合改造技术,支撑了中国首口万米井(深地塔科1井)顺利实施储层改造,也为国内外万米特深碳酸盐岩储层改造提供了借鉴。
中图分类号:
翁定为, 杨战伟, 彭建新, 才博, 付海峰, 王丽伟, 刘举, 高莹, 黄瑞, 徐敏杰, 张朝阳. 万米特深碳酸盐岩储层改造技术研究和试验[J]. 石油学报, 2026, 47(2): 466-481,490.
Weng Dingwei, Yang Zhanwei, Peng Jianxin, Cai Bo, Fu Haifeng, Wang Liwei, Liu Ju, Gao Ying, Huang Rui, Xu Minjie, Zhang Zhaoyang. Research and experiment on reservoir stimulation technology for ultra-deep carbonate reservoirs at 10 000 meters depth[J]. Acta Petrolei Sinica, 2026, 47(2): 466-481,490.
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