合成基钻井液泥饼解除液体系研制及应用

doi:10.3969/j.issn.1006-6535.2025.05.018

特种油气藏 ›› 2024, Vol. 32 ›› Issue (5): 153-158.DOI: 10.3969/j.issn.1006-6535.2025.05.018

合成基钻井液泥饼解除液体系研制及应用

胡友林¹, 郑金龙², 刘高华³, 邓文彪², 李强⁴, 岳前升⁵

1.长江大学石油工程学院,湖北武汉 430100;
2.中海石油(中国)有限公司湛江分公司,广东湛江 524057;
3.中国石油辽河油田分公司,辽宁盘锦 124010;
4.中海油服油化事业部湛江作业公司,广东湛江 524057;
5.长江大学化学与环境工程学院,湖北荆州 434023

收稿日期:2024-10-08 修回日期:2025-07-29 出版日期:2025-09-25 发布日期:2025-10-30
作者简介:胡友林(1978—),男,副教授,2002年毕业于江汉石油学院石油工程专业,2015年毕业于中国地质大学(武汉)钻井工程专业,获博士学位,现主要从事钻井液与完井液教学与科研工作。
基金资助:
国家重点研发计划“超深水极低温井筒工作液体系”(2022YFC2806503)

Development and application of synthetic-based drilling fluid filter cake removal fluid system

HU Youlin¹, ZHENG Jinlong², LIU Gaohua³, DENG Wenbiao², LI Qiang⁴, YUE Qiansheng⁵

1. School of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China;
2. CNOOC (China Zhanjiang Company, Zhanjiang, Guangdong 524057, China;
3. PetroChina Liaohe Oilfield Company, Panjin, Liaoning 124010, China;
4. Zhanjiang Operations Company, COSL Oilfield Chemicals Division, Zhanjiang, Guangdong 524057, China;
5. College of Chemistry & Environmental Engineering, Yangtze University, Jingzhou, Hubei 434023, China

Received:2024-10-08 Revised:2025-07-29 Online:2025-09-25 Published:2025-10-30

摘要/Abstract

摘要： 针对合成基钻井液在近井地带形成的泥饼难以清除,从而对储层造成伤害的问题,基于合成基钻井液泥饼的组分,研制了由缓速酸HWCP、缓蚀剂HWCI、清洗渗透剂JFC、防水锁剂HSSJ配制的合成基钻井液泥饼解除液,并对泥饼解除液体系的泥饼解除能力和储层保护能力进行了评价。研究表明:合成基钻井液API泥饼经解除液90 ℃恒温浸泡3 h后失重率达90.97％,泥饼解除液注入合成基钻井液污染的岩心后,渗透率恢复值为96.98%,该体系具有良好的泥饼解除效果和储层保护能力,能有效降低合成基钻井液对储层的损害程度。现场应用表明,该体系具有良好的解堵增产效果。该研究可为保护南海西部油田储层以及提高同类型油田的综合经济效益提供借鉴。

关键词: 合成基钻井液, 泥饼解除, 储层保护, 渗透率, 南海西部油田

Abstract: To address the problem that the filter cake formed by synthetic-based drilling fluid in the near-wellbore zone is difficult to remove, thus causing damage to the reservoir, a filter cake removal fluid was developed based on the composition of the synthetic-based drilling fluid filter cake, and the fluid is formulated with retarded acid HWCP, corrosion inhibitor HWCI, cleaning penetrant JFC, and waterproof lock agent HSSJ. The filter cake removal ability and reservoir protection ability of the filter cake removal fluid system were evaluated. The study shows that the weight loss rate of the synthetic-based drilling fluid API filter cake reached 90.97% after being soaked at 90 ℃ for 3 hours. After injecting the filter cake removal fluid into cores contaminated by synthetic-based drilling fluid, the permeability recovery value was 96.98%. This system has good filter cake removal performance and reservoir protection ability, effectively reducing the damage degree of synthetic-based drilling fluid to the reservoir. Field applications have demonstrated that this system achieves effective well stimulation and enhanced production performance. This research can provide reference for protecting reservoirs in western South China Sea oilfields and improving the comprehensive economic benefits of similar oilfields.

Key words: synthetic-based drilling fluid, filter cake removal, reservoir protection, permeability, western South China Sea Oilfield

中图分类号:

TE254

胡友林, 郑金龙, 刘高华, 邓文彪, 李强, 岳前升. 合成基钻井液泥饼解除液体系研制及应用[J]. 特种油气藏, 2024, 32(5): 153-158.

HU Youlin, ZHENG Jinlong, LIU Gaohua, DENG Wenbiao, LI Qiang, YUE Qiansheng. Development and application of synthetic-based drilling fluid filter cake removal fluid system[J]. Special Oil & Gas Reservoirs, 2024, 32(5): 153-158.

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合成基钻井液泥饼解除液体系研制及应用

Development and application of synthetic-based drilling fluid filter cake removal fluid system

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