东丽湖地热钻探CGSD-01井钻完井技术
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摘要
CGSD-01井是由中国地质调查局组织实施的一口水热型地热资源调查井。该井完井深度4051.68 m,终孔直径216 mm。施工过程中遇到大直径套管下入安全系数不足、地层漏失、复杂地层岩心采取率低等问题。文章介绍了该井的井身结构设计、钻完井工艺技术。通过采用浮力法下管,多工艺堵漏,改进复杂地层取心工艺等措施解决了施工过程中的复杂问题,总结了该地区深部地热钻探钻井工艺并提出了完井建议。
Well CGSD-01 is a hydrothermal geothermal resource survey well organized and implemented by China Geological Survey. The well was completed at the depth of 4051.68 m with diameter of 216 mm. During the drilling process, problems such as insufficient safety factor for large-diameter casing running, formation leakage, low core recovery in complex formation were encountered. This paper introduces the well structure as well as drilling and completion technology for the well. The complex problems in the drilling process were solved by taking some measures such as buoyancy-aided casing setting, multi-process leak plugging, improvement of the coring process in complex strata. The drilling technology and completion recommendations for the deep geothermal drilling in this area are summarized.
Well CGSD-01 is a hydrothermal geothermal resource survey well organized and implemented by China Geological Survey. The well was completed at the depth of 4051.68 m with diameter of 216 mm. During the drilling process, problems such as insufficient safety factor for large-diameter casing running, formation leakage, low core recovery in complex formation were encountered. This paper introduces the well structure as well as drilling and completion technology for the well. The complex problems in the drilling process were solved by taking some measures such as buoyancy-aided casing setting, multi-process leak plugging, improvement of the coring process in complex strata. The drilling technology and completion recommendations for the deep geothermal drilling in this area are summarized.
引文
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[12] 钱洪强.天津市东丽区寒武系热储层成井可行性及工艺研究[D].北京:中国地质大学(北京),2014. QIAN Hongqiang. Study of the feasibility of geothermal well drilling technology in the Cambrian in the Dongli District of Tianjin[D]. Beijing: China University of Geosciences (Beijing), 2014.
[13] 张国旗,何长江.长南工区钻井提速难点认识与实践[J],探矿工程(岩土钻掘工程),2013,40(2):33. ZHANG Guoqi, HE Changjiang. Understanding of difficulties in drilling speed increasing in Changnan work area[J]. Exploration Engineering (Rock & Soil Drilling and Tunneling ), 2013,40(2):33.
[14] 王磊.地层漏失及其处理方法的研究[J].中国石油和化工标准与质量,2013,34(1):54,20. WANG Lei. Study on formation leakage and processing method[J]. China Petroleum and Chemical Standard and Quality, 2013,34(1):54,20.
[15] 聂在禄.套管和钻柱防磨及降扭技术研究[D].山东青岛:中国石油大学(华东),2007. NIE Zailu. The study on the technology of the attrition resistance and tweak degradation on the drive-pipe and drill-column[D]. Qingdao Shandong: China University of Petroleum, 2007.
[16] 任良治,李勤义,熊章华,等.地热井洗井工艺探讨[J].地下空间与工程学报,2010,6(S2):1574-1577. REN Liangzhi, LI Qinyi, XIONG Zhanghua, et al. Investigation on flushing process for geothermal well[J]. Chinese Journal of Underground Space and Engineering, 2010,6 (S2):1574-1577.
[17] 钱洪强,王娟,孙玉东,等.天津地区地热钻井中地层漏失分析及堵漏方法选择[J].地质调查与研究,2016,39(3):226-230. QIAN Hongqiang, WANG Juan, SUN Yudong, et al. Analysis of leakage formation and selection of leaking stoppage methods in geothermal well drilling in Tianjin Area[J]. Geological Survey and Research, 2016,39(3):226-230.
[2] 天津市地质矿产局.天津市区域地质志[M].北京:地质出版社,1992:217. Bureau of Geological and Mineral of Tianjin. Regional geological history of Tianjin[M].Beijing: Geological Publishing House, 1992:217.
[3] 田信民.天津市地热资源潜力评价[D].北京:中国地质大学(北京),2015:6. TIAN Xinmin. Evaluation on the potential of geothermal resource in Tianjin[D]. Beijing: China University of Geosciences (Beijing), 2015:6.
[4] 李波.天津地热资源可持续开发利用对策研究[D].天津:天津大学,2017:16. LI Bo. Study on sustainable development and utilization countermeasure of geothermal resources in Tianjin[D]. Tianjin: Tianjin University, 2017:16.
[5] 马庆涛,葛鹏飞,王晓宇,等.涪页HF-1页岩气水平井钻井关键技术[J].石油机械,2013,41(8):107. MA Qingtao, GE Pengfei, WANG Xiaoyu, et al. Key technology of shale gas horizontal drilling in Well HF-1 of Fuye[J]. China Petroleum Machinery, 2013,41(8):107.
[6] 周曙春,杜坤乾,谢军.正循环钻进、气举反循环清孔工艺施工应用[J].岩土工程学报,2011,33(S2):166-168. ZHOU Shuchun, DU Kunqian, XIE Jun. Application of directional circulation drilling and air-lift reverse circulation borehole cleaning[J]. Chinese Journal of Geotechnical Engineering, 2011,33(S2):166-168.
[7] 高鹏举,刘凡柏,王跃伟,等.4000 m地质岩心钻机在天津东丽区地热资源调查中的示范应用[J].探矿工程(岩土钻掘工程),2019,46(1):13-21. GAO Pengju, LIU Fanbai, WANG Yuewei, et al. Demonstration application of 4000m geological core drilling rig in geothermal resources investigation in Dongli District of Tianjin[J]. Exploration Engineering (Rock & Soil Drilling and Tunneling), 2019,46(1):13-21.
[8] 刘凡柏,高鹏举,任启伟,等.4000 m交流变频电驱岩心钻机的研制及其在地热井的工程应用[J].探矿工程(岩土钻掘工程),2018,45(10):40-46. LIU Fanbai, GAO Pengju, REN Qiwei, et al. Development and application of 4000m AC frequency-conversion core drill[J]. Exploration Engineering (Rock & Soil Drilling and Tunneling), 2018,45(10):40-46.
[9] 狄勤丰,沈双平.防斜打快技术的研究与发展[J].自然杂志,2003,26(2):111-115. DI Qinfeng, SHEN Shuangping. Research and development of the vertical and fast drilling technology[J]. Chinese Journal of Nature, 2003,26(2):111-115.
[10] 马红伟,安娜.正注反挤固井工艺技术研究与应用[J].石化技术,2017,24(4):104. MA Hongwei, AN Na. Research and application of positive injection reverse cementing[J]. Petrochemical Industry Technology, 2017,24(4):104.
[11] 朱和明,吴晋霞,郭朝辉.浮箍和浮鞋失效原因分析及预防[J].石油矿场机械,2013,42(8):67. ZHU Heming, WU Jinxia, GUO Zhaohui. Analysis of float collar and float shoe failure and its precautions[J]. Oil Field Equipment, 2013,42(8):67.
[12] 钱洪强.天津市东丽区寒武系热储层成井可行性及工艺研究[D].北京:中国地质大学(北京),2014. QIAN Hongqiang. Study of the feasibility of geothermal well drilling technology in the Cambrian in the Dongli District of Tianjin[D]. Beijing: China University of Geosciences (Beijing), 2014.
[13] 张国旗,何长江.长南工区钻井提速难点认识与实践[J],探矿工程(岩土钻掘工程),2013,40(2):33. ZHANG Guoqi, HE Changjiang. Understanding of difficulties in drilling speed increasing in Changnan work area[J]. Exploration Engineering (Rock & Soil Drilling and Tunneling ), 2013,40(2):33.
[14] 王磊.地层漏失及其处理方法的研究[J].中国石油和化工标准与质量,2013,34(1):54,20. WANG Lei. Study on formation leakage and processing method[J]. China Petroleum and Chemical Standard and Quality, 2013,34(1):54,20.
[15] 聂在禄.套管和钻柱防磨及降扭技术研究[D].山东青岛:中国石油大学(华东),2007. NIE Zailu. The study on the technology of the attrition resistance and tweak degradation on the drive-pipe and drill-column[D]. Qingdao Shandong: China University of Petroleum, 2007.
[16] 任良治,李勤义,熊章华,等.地热井洗井工艺探讨[J].地下空间与工程学报,2010,6(S2):1574-1577. REN Liangzhi, LI Qinyi, XIONG Zhanghua, et al. Investigation on flushing process for geothermal well[J]. Chinese Journal of Underground Space and Engineering, 2010,6 (S2):1574-1577.
[17] 钱洪强,王娟,孙玉东,等.天津地区地热钻井中地层漏失分析及堵漏方法选择[J].地质调查与研究,2016,39(3):226-230. QIAN Hongqiang, WANG Juan, SUN Yudong, et al. Analysis of leakage formation and selection of leaking stoppage methods in geothermal well drilling in Tianjin Area[J]. Geological Survey and Research, 2016,39(3):226-230.