加大找油上产工作力度 实现四川盆地原油大发展夙愿

doi:10.3969/j.issn.1002-302X.2025.03.001

摘要/Abstract

摘要： 四川盆地是国家战略腹地，也是油气聚宝盆，其中侏罗纪时期多期湖盆扩张纵向叠置发育多套优质烃源岩，大安寨段页灰互层源储配置良好，凉高山组页岩生烃能力强且夹层型砂岩储集性能好，河道砂体大面积分布的沙溪庙组有通源断裂且盖层优异，是致密油/页岩油勘探开发主战场。回顾总结“三次原油会战、一次原油上产工程、一次科技攻关”等四川石油勘探开发历史，提出新时代新形势下，在“两宽一高”三维地震和“水平井体积压裂”两大技术加持下，开展以非常规油为目标的“四川原油新会战”势在必行、切实可行。“新会战”需坚持“四个转变”原则，开展新一轮的原油勘探开发基础研究，形成原油生成、运移和成藏系统认识，做好四川盆地原油工作总体部署安排，以“三维地震—系统评价—钻井提速—高效压裂—长效开发”为重点进行技术攻关配套，确保达成2030 年前原油上产百万吨奋斗目标。

关键词: 四川盆地；勘探开发；致密油/页岩油；三维地震；钻井提速；水平井体积压裂；机械采油

Abstract: Sichuan Basin serves as both a strategic national reserve and a prolific hydrocarbon resource hub. During the Jurassic period, multiple stages of lake basin expansion and vertical stacking developed several sets of high-quality source rocks. The Da’anzhai Member exhibits good favorable source-reservoir configurations with interbedded shales and limestones, and the Lianggaoshan Formation shale had strong hydrocarbon generation capacity and its interbedded shale had good oil storage performance. The Shaximiao Formation, characterized by widely distributed channel sand bodies is further supported by sourceconnected faults and high-quality cap rocks, making it the main battlefield for exploration and development of tight oil. On the basis of reviewing and summarizing the history of Sichuan crude oil exploration and development, including three crude oil battles, one crude oil production enhancement campaigns, and one tackling hard-nut technological problems, it is believed that implementing a new round of crude oil battles is imperative and feasible under the new era and new situation. The new Sichuan crude oil battle targeting unconventional oil is technically feasible with the support of two major technologies including “wideband- azimuth, high-density 3D seismic” and“ horizontal well volume fracturing”. The new battle requires the transformation from limestone to shale sandstone, from fractured to porous reservoirs, from structures to lithology, and the exploration of new exploration models that transition from source to near source. Under the principle of the above “four transformations”, we will carry out a new round of basic research on crude oil exploration and development, from an understanding of the system of crude oil generation, migration and accumulation to making overall arrangements for crude oil work in the Sichuan Basin.“ 3D seismicsystem evaluation-well drilling acceleration-high efficient hydraulic fracturing-long-term development” will be focused to carry out technical research and support, ensuring the achievement of the goal of producing one million tons of crude oil before 2030.

Key words: Sichuan Basin; exploration and development; tight oil/shale oil; 3D seismic; drilling speed increase; horizontal well volume fracturing; artificial lift

中图分类号:

TE357.7

廖广志,唐青松,王明磊,黄世伟,蒋裕强,王正茂,董伟宏,洪海涛,徐庆龙,张啸枫,林建平,任岚,赵玉龙,王高峰,张新宇. 加大找油上产工作力度实现四川盆地原油大发展夙愿[J]. 石油科技论坛, 2025, 44(3): 1-11.

Liao Guangzhi,Tang Qingsong,Wang Minglei,Huang Shiwei,Jiang Yuqiang,Wang Zhengmao,Dong Weihong,Hong Haitao,Xu Qinglong,Zhang Xiaofeng,Lin Jianping,Ren Lan,Zhao Yulong,Wang Gaofeng,Zhang Xinyu. Making Greater Efforts for Oil Exploration and Production for the Long Term Boom of Crude Oil in Sichuan Basin[J]. Petroleum Science and Technology Forum, 2025, 44(3): 1-11.

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