四川盆地涪陵地区页岩气高性能水基钻井液研发及效果评价
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摘要
目前油基钻井液本身存在的环保性能不足、成本过高、工艺复杂等缺点,以及常规的普通水基钻井液体系的页岩井壁稳定性和润滑性不能满足页岩水平井钻井需要的问题。研制并构建了一套由成膜封堵剂、抑制剂和类油基润滑剂3种主剂所组成的高性能水基钻井液体系。该钻井液体系具有良好的页岩井壁稳定性、与油基钻井液相当的封堵、润滑性能、生物毒性低、水基钻屑可以直接排放。这种页岩气高性能水基钻井液体系能够满足涪陵页岩气田钻井中长水平段的应用要求。
Some existing oil-based drilling fluid is disadvantageous in inadequate environmental protection, higher cost, and complex process. However, those common water-based drilling fluid can not satisfied the requirements of shale horizontal-well drilling due to its poor wellbore stability and lubricating property. So, a kind of water-based drilling-fluid system with high performance, which is made up of film-forming sealing agent, inhibitor, and OBM-like lubricator, was developed. This high-performance drilling-fluid system is advantageous with better wellbore stability, comparable plugging and lubricating performance to oil-based drilling fluid, low biotoxicity, and direct discharge of water-based cuttings. Furthermore, it can satisfy the requirements of drilling longer horizontal intervals in Fuling shale-gas field.
Some existing oil-based drilling fluid is disadvantageous in inadequate environmental protection, higher cost, and complex process. However, those common water-based drilling fluid can not satisfied the requirements of shale horizontal-well drilling due to its poor wellbore stability and lubricating property. So, a kind of water-based drilling-fluid system with high performance, which is made up of film-forming sealing agent, inhibitor, and OBM-like lubricator, was developed. This high-performance drilling-fluid system is advantageous with better wellbore stability, comparable plugging and lubricating performance to oil-based drilling fluid, low biotoxicity, and direct discharge of water-based cuttings. Furthermore, it can satisfy the requirements of drilling longer horizontal intervals in Fuling shale-gas field.
引文
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[13]谢晓永,王怡.川西须家河组页岩气水基钻井液技术[J].钻采工艺,2014,21(6):802-805.Xie Xiaoyong&Wang Yi.Water-based drilling fluid technology for Xujiahe Formation shale gas in western Sichuan[J].FaultBlock Oil and Gas Field,2014,21(6):802-805.
[14]崔云海,刘厚彬,杨海平,等.焦石坝页岩气储层水平井井壁失稳机理[J].石油钻采工艺,2016,38(5):545-552.Cui Yunhai,Liu Houbin,Yang Haiping,et al.Mechanisms of sidewall stability loss in horizontal wells drilled for shale gas development in Jiaoshiba Block[J].Oil Drilling&Production Technology,2016,38(5):545-552.
[15]常德武,蔡记华,岳也,等.一种适合页岩气水平井的水基钻井液[J].钻井液与完井液,2015,32(2):47-51.Chang Dewu,Cai Jihua,Yue Ye,et al.A water base mud for shale gas horizontal well[J].Drilling Fluid&Completion Fluid,2015,32(2):47-51.
[16]王中华.页岩气水平井钻井液技术的难点及选用原则[J].中外能源,2012,17(4):43-47.Wang Zhonghua.Difficulty and applicable principle of the drilling fluid technology of horizontal wells for shale gas[J].Sino-Global Energy,2012,17(4):43-47.
[2]孙金声,刘敬平,闫丽丽,等.国内外页岩气井水基钻井液技术现状及中国发展方向[J].钻井液与完井液,2016,33(5):1-8.Sun Jinsheng,Liu Jingping,Yan Lili,et al.Status quo of water base drilling fluid technology for shale gas drilling in China and abroad and its developing trend in China[J].Drilling Fluid&Completion Fluid,2016,33(5):1-8.
[3]齐从丽.国内外页岩气钻井液技术应用现状[J].化工时刊,2014,28(10):40-46.Qi Congli.Application actuality of shale gas drilling fluid technology at home and abroad[J].Chemical Industry Times,2014,28(10):40-46.
[4]钟汉毅,邱正松,黄维安,等.聚胺高性能水基钻井液特性评价及应用[J].科学技术与工程,2013,13(10):2803-2807.Zhong Hanyi,Qiu Zhengsong,Huang Weian,et al.Properties evaluation and application of polyamine high performance water-based drilling fluid[J].Science Technology and Engineering,2013,13(10):2803-2807.
[5]闫丽丽,李丛俊,张志磊,等.基于页岩气“水替油”的高性能水基钻井液技术[J].钻井液与完井液,2015,32(5):1-6.Yan Lili,Li Congjun,Zhang Zhilei,et al.High performance water base drilling fluid for shale gas drilling[J].Drilling Fluid&Completion Fluid,2015,32(5):1-6.
[6]邸伟娜,闫娜,叶海超.国外页岩气钻井液技术新进展[J].钻井液与完井液,2014,31(6):76-81.Di Weina,Yan Na&Ye Haichao.Overseas new progresses in nano drilling fluid technology for shale drilling[J].Drilling Fluid&Completion Fluid,2014,31(6):76-81.
[7]龙大清,樊相生,王昆.应用于中国页岩气水平井的高性能水基钻井液[J].钻井液与完井液,2016,33(1):17-21.Long Daqing,Fan Xiangsheng&Wang Kun.High performance water base drilling fluid for shale gas drilling[J].Drilling Fluid&Completion Fluid,2016,33(1):17-21.
[8]赵虎,龙大清,司西强,等.烷基糖苷衍生物钻井液研究及其在页岩气井的应用[J].钻井液与完井液,2016,33(6):23-27.Zhao Hu,Long Daqing,Si Xiqiang,et al.Study on alkyl polyglucoside derivative drilling fluid and its use in shale gas drilling[J].Drilling Fluid&Completion Fluid,2016,33(6):23-27.
[9]张益臣,周晓珉,傅尔达.页岩气水基钻井液废物处理技术实践[J].油气田环境保护,2018,28(2):43-45.Zhang Yichen,Zhou Xiaomin&Fu Erda.Practice of water based drilling waste treatment technology in Zhaotong shale gas demonstration area[J].Environmental Protection of Oil&Gas Field,2018,28(2):43-45.
[10]刘敬平,孙金声.川滇页岩气水平井水基钻井液技术[J].钻井液与完井液,2017,34(2):9-14.Liu Jingping&Sun Jinsheng.Water base drilling fluid technology for horizontal shale gas drilling in Sichuan and Yunnan[J].Drilling Fluid&Completion Fluid,2017,34(2):9-14.
[11]邹大鹏.大庆油田致密油水平井强抑制防塌水基钻井液技术[J].石油钻采工艺,2015,37(3):36-39.Zou Dapeng.High inhibition and anti-sloughing water-based drilling lfuid technology for horizontal wells in tight oil reservoirs in Daqing Oilifeld[J].Oil Drilling&Production Technology,2015,37(3):36-39.
[12]刘敬平,孙金声.钻井液活度对川滇页岩气地层水化膨胀与分散的影响[J].钻井液与完井液,2016,33(2):31-35.Liu Jingping&Sun Jinsheng.Effects of drilling fluid activity on hydration and dispersion of formation rocks in shale gas drilling in Chuan-Dian area[J].Drilling Fluid&Completion Fluid,2016,33(2):31-35.
[13]谢晓永,王怡.川西须家河组页岩气水基钻井液技术[J].钻采工艺,2014,21(6):802-805.Xie Xiaoyong&Wang Yi.Water-based drilling fluid technology for Xujiahe Formation shale gas in western Sichuan[J].FaultBlock Oil and Gas Field,2014,21(6):802-805.
[14]崔云海,刘厚彬,杨海平,等.焦石坝页岩气储层水平井井壁失稳机理[J].石油钻采工艺,2016,38(5):545-552.Cui Yunhai,Liu Houbin,Yang Haiping,et al.Mechanisms of sidewall stability loss in horizontal wells drilled for shale gas development in Jiaoshiba Block[J].Oil Drilling&Production Technology,2016,38(5):545-552.
[15]常德武,蔡记华,岳也,等.一种适合页岩气水平井的水基钻井液[J].钻井液与完井液,2015,32(2):47-51.Chang Dewu,Cai Jihua,Yue Ye,et al.A water base mud for shale gas horizontal well[J].Drilling Fluid&Completion Fluid,2015,32(2):47-51.
[16]王中华.页岩气水平井钻井液技术的难点及选用原则[J].中外能源,2012,17(4):43-47.Wang Zhonghua.Difficulty and applicable principle of the drilling fluid technology of horizontal wells for shale gas[J].Sino-Global Energy,2012,17(4):43-47.
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