径向井压裂裂缝形态及热采产能研究

doi:10.3969/j.issn.1673-8926.2017.06.020

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (6): 154–160.doi: 10.3969/j.issn.1673-8926.2017.06.020

• 石油工程 • 上一篇

径向井压裂裂缝形态及热采产能研究

李小龙¹, 许华儒², 刘晓强¹, 王涛¹, 张凯文¹, 曲占庆¹

1. 中国石油大学(华东)石油工程学院, 山东青岛 266580;
2. 中国石化胜利油田分公司临盘采油厂, 山东德州 253000

收稿日期:2017-05-17 修回日期:2017-07-14 出版日期:2017-11-21 发布日期:2017-11-21
第一作者:李小龙(1990-),男,中国石油大学(华东)在读博士研究生,研究方向为采油工程技术。地址:(266580)山东省青岛市黄岛区中国石油大学(华东)石油工程学院。Email:lixiaolong199041@foxmail.com
通信作者: 曲占庆(1963-),男,教授、博士生导师,主要从事采油工程技术方面的教学与科研工作。Email:quzhq@upc.edu.cn
基金资助:
国家自然科学基金青年基金项目"径向钻孔引导水力压裂裂缝定向扩展机理研究"（编号：51404288）资助

Fracture morphology and production performance of radial well fracturing

LI Xiaolong¹, XU Huaru², LIU Xiaoqiang¹, WANG Tao¹, ZHANG Kaiwen¹, QU Zhanqing¹

1. School of Petroleum Engineering, China University of Petroleum(East China), Qingdao 266580, Shandong, China;
2. Linpan Oil Production Plant, Shengli Oilfield Company, Sinopec, Dezhou 253000, Shandong, China

Received:2017-05-17 Revised:2017-07-14 Online:2017-11-21 Published:2017-11-21

摘要/Abstract

摘要： 径向井压裂技术与蒸汽吞吐热采技术的联合是一种有效适用于低渗透稠油油藏且兼具经济性的开发技术，目前在国内还处于现场实验阶段，缺少理论研究。通过径向井压裂物理模拟实验研究压裂裂缝形态，并在实验结果的基础上进行径向井压裂辅助蒸汽吞吐产能数值模拟研究。结果表明：径向井对压裂裂缝的扩展具有一定的引导作用，多径向井条件下会产生多裂缝形态，有效提高了泄油面积；径向井压裂辅助蒸汽吞吐产能是常规压裂辅助蒸汽吞吐产能的2.65倍（3年累计产油量），证明了该技术在低渗透稠油油藏的适应性，并在此研究基础上以产能为标准明确了该联合技术中的最优热采参数。研究结论为现场径向井压裂辅助蒸汽吞吐技术开采低渗透稠油油藏提供了理论依据，对该技术的发展完善和应用具有指导意义。

关键词: 测井计算, 地球化学参数, 湖相泥页岩, 沙三下亚段, 沾化凹陷, 济阳坳陷

Abstract: The technology of radial well fracturing combined with steam soak is suitable for the development of heavy oil reservoir with low permeability,but it is lack of mechanism research so far. The fracture morphology of radial well fracturing was studied by 3 D simulating experiment,and the thermal deliverability of radial well was researched by simulation. The results show that multi-cracks morphology is performed under the multi radial wells which could increases the drainage area,and the radial well can guide the fracture of hydraulic fracturing well. The steam soak stimulation assisted by radial well fracturing is very effective for the development of heavy oil reservoir with low permeability,and the productivity gets the best effect when the number of the radial wells is 4. The thermal deliverability in 3 years of radial well fracturing is 2.65 times larger than that of regular fracturing. The applicability of the combined technology was proved and the parameters of steam soak were optimized. The conclusion is significant and important for the development of heavy oil reservoir.

Key words: logging calculation, geochemical parameters, lacustrine shale, lower Es₃, Zhanhua Sag, Jiyang Depression

中图分类号:

TE348

李小龙, 许华儒, 刘晓强, 王涛, 张凯文, 曲占庆. 径向井压裂裂缝形态及热采产能研究[J]. 岩性油气藏, 2017, 29(6): 154–160.

LI Xiaolong, XU Huaru, LIU Xiaoqiang, WANG Tao, ZHANG Kaiwen, QU Zhanqing. Fracture morphology and production performance of radial well fracturing[J]. Lithologic Reservoirs, 2017, 29(6): 154–160.

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径向井压裂裂缝形态及热采产能研究

Fracture morphology and production performance of radial well fracturing

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