储气库疑难侧钻老井裸眼封堵处置关键技术

doi:10.11885/j.issn.1674-5086.2025.12.02.06

西南石油大学学报(自然科学版) ›› 2026, Vol. 48 ›› Issue (4): 134-144.DOI: 10.11885/j.issn.1674-5086.2025.12.02.06

• 油藏型储气库建库技术专刊 • 上一篇下一篇

储气库疑难侧钻老井裸眼封堵处置关键技术

王金忠¹, 胡一鸣^1,2, 郑智峰³, 车阳⁴, 晋新伟¹, 万文瑾¹, 乔宇¹

1. 中国石油冀东油田分公司, 河北唐山 063004;
2. 中国石油大学(北京)石油工程学院, 北京昌平 102249;
3. 中国石油冀东油田采油工艺研究院, 河北唐山 063000;
4. 中国石油工程技术研究院有限公司, 北京昌平 102200

收稿日期:2025-12-02 出版日期:2026-07-17 发布日期:2026-07-17
通讯作者: 王金忠，E-mail:jdzc_wangjzh@petrochina.com.cn
基金资助:
中国石油集团公司项目（2024ZG20）

Key Technologies for Open-hole Sealing Disposal of Problematic Old Sidetracked Wells in Underground Gas Storage Conversion

WANG Jinzhong¹, HU Yiming^1,2, ZHENG Zhifeng³, CHE Yang⁴, JIN Xinwei¹, WAN Wenjin¹, QIAO Yu¹

1. PetroChina Jidong Oilfield Company, Tangshan, Hebei 063004, China;
2. College of Petroleum Engineering, China University of Petroleum (Beijing), Changping, Beijing 102249, China;
3. Production Technology Research Institute, PetroChina Jidong Oilfield Company, Tangshan, Hebei 063000, China;
4. CNPC Engineering Technology R & D Company Limited, Changping, Beijing 102200, China

Received:2025-12-02 Online:2026-07-17 Published:2026-07-17
About author:王金忠，1982年生，男，汉族，山东沂南人，高级工程师，硕士，主要从事油藏型储气库钻采工程，科研方案及设计等工作。E-mail:jdzc_wangjzh@petrochina.com.cn
胡一鸣，1993年生，男，汉族，河南偃师人，工程师，硕士，主要从事储气库钻完井工艺等方面的研究工作。E-mail:jxgs_huyiming@petrochina.com.cn
郑智峰，1992年生，男，汉族，河北张家口人，工程师，主要从事储气库注采及井下作业等方面的工作。E-mail:jxgs_zhengzhifeng@petrochina.com.cn
车阳，1993年生，男，汉族，山西太原人，高级工程师，博士，主要从事复杂井钻井和储气库封井技术研究工作。E-mail:cheyangdri@cnpc.com.cn
晋新伟，1975年生，男，汉族，山东曹县人，高级工程师，主要从事储气库钻井技术研究工作。E-mail:jinxw@petrochina.com.cn
万文瑾，1993年生，男，汉族，湖北天门人，工程师，主要从事储气库钻采技术研究工作。E-mail:jxgs_wanwenjin@petrochina.com.cn
乔宇，1999年生，男，汉族，河北承德人，工程师，硕士，主要从事储气库注采动态分析研究工作。E-mail:yu_qiao1999@163.com

摘要/Abstract

摘要： 老井封堵是枯竭油气藏改建地下储气库的核心工作之一，封堵质量直接决定了储气库运行安全。其中，含侧钻裸眼结构的老井因工艺复杂、施工难度突出，面临侧钻井眼寻探难、裸眼井壁稳定性差、封堵质量难保障等工程卡点，成为老井封堵工程的重难点。为此，通过优选直接重入裸眼连通方式与By-pass轨道设计，构建基于无源磁导向轨迹控制与裸眼跟踪一体化方案，井眼轨迹控制精度提升厘米级，同时集成防塌润滑钻井液体系与复杂井筒高效固井技术，形成侧钻老井裸眼封堵关键技术方案。该技术已在冀东油田储气库7口不同井况的多井眼老井中得到规模化应用：侧钻裸眼均顺利完成重入封井目标，裸眼段固井质量合格率95%，施工周期较设计缩短30 d，满足疑难老井封堵优快处置需求。此项技术为储气库侧钻老井处置提供了成熟的技术手段，也为中国同类疑难井封堵工程提供可借鉴的实践经验。

关键词: 储气库, 侧钻裸眼, 连通, 磁导向, 老井封堵

Abstract: The sealing of old wells is one of the core tasks in converting depleted oil and gas reservoirs into underground gas storage, and the quality of sealing directly determines the operational safety of the gas storage. Old wells with sidetracked open-hole structures, due to their complex processes and prominent construction difficulties, are faced with engineering bottlenecks such as difficulty in exploring sidetracked wellbores, poor stability of open-hole walls, and difficulty in ensuring sealing quality, thus becoming the key and difficult points in old well sealing projects. To solve these problems, by optimizing the direct reentry open-hole connection method and By-pass trajectory design, an integrated scheme based on passive magnetic guidance trajectory control and open-hole tracking has been constructed, which improves the wellbore trajectory control accuracy to the centimeter level. Meanwhile, by integrating the anti-collapse and lubricating drilling fluid system and high-efficiency cementing technology for complex wellbores, a key technical scheme for open-hole sealing of old sidetracked wells has been formed. This technology has been applied to 7 multi-well old wells with different well conditions in the Jidong Oilfield gas storage. All sidetracked open holes have been successfully re-entered and sealed, with a 95% pass rate of cementing quality in the open-hole sections, and the construction period is 30 d shorter than designed, meeting the requirements for optimal and rapid disposal of difficult old well plugging. This technology provides a mature technical means for the disposal of old sidetracked wells in gas storage and also offers practical experience and a reference for similar difficult well plugging projects in China.

Key words: underground gas storage, sidetracked open hole, connect, magnetic guidance, sealing of old wells

中图分类号:

TE358

王金忠, 胡一鸣, 郑智峰, 车阳, 晋新伟, 万文瑾, 乔宇. 储气库疑难侧钻老井裸眼封堵处置关键技术[J]. 西南石油大学学报(自然科学版), 2026, 48(4): 134-144.

WANG Jinzhong, HU Yiming, ZHENG Zhifeng, CHE Yang, JIN Xinwei, WAN Wenjin, QIAO Yu. Key Technologies for Open-hole Sealing Disposal of Problematic Old Sidetracked Wells in Underground Gas Storage Conversion[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2026, 48(4): 134-144.

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储气库疑难侧钻老井裸眼封堵处置关键技术

Key Technologies for Open-hole Sealing Disposal of Problematic Old Sidetracked Wells in Underground Gas Storage Conversion

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