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大庆致密油井页岩井壁稳定性实验研究

燕松兵 刘付臣 杨振周 刘永贵 吕萌 宋涛 周春

燕松兵, 刘付臣, 杨振周, 刘永贵, 吕萌, 宋涛, 周春. 大庆致密油井页岩井壁稳定性实验研究[J]. 钻井液与完井液, 2020, 37(2): 140-147. doi: 10.3969/j.issn.1001-5620.2020.02.002
引用本文: 燕松兵, 刘付臣, 杨振周, 刘永贵, 吕萌, 宋涛, 周春. 大庆致密油井页岩井壁稳定性实验研究[J]. 钻井液与完井液, 2020, 37(2): 140-147. doi: 10.3969/j.issn.1001-5620.2020.02.002
YAN Songbing, LIU Fuchen, YANG Zhenzhou, LIU Yonggui, LYU Meng, SONG Tao, ZHOU Chun. Experimental Study on Shale Borehole Wall Stability of Tight Oil Wells in Daqing Oilfield[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(2): 140-147. doi: 10.3969/j.issn.1001-5620.2020.02.002
Citation: YAN Songbing, LIU Fuchen, YANG Zhenzhou, LIU Yonggui, LYU Meng, SONG Tao, ZHOU Chun. Experimental Study on Shale Borehole Wall Stability of Tight Oil Wells in Daqing Oilfield[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(2): 140-147. doi: 10.3969/j.issn.1001-5620.2020.02.002

大庆致密油井页岩井壁稳定性实验研究

doi: 10.3969/j.issn.1001-5620.2020.02.002
基金项目: 

中国石油天然气股份有限公司重大科技专项“油气开采降本增效技术研究与规模应用”(2016E-0212)

详细信息
    作者简介:

    燕松兵,2008年毕业于中国石油大学(华东)应用化学系,长期从事钻井液技术研究。电话13361529671;E-mail:songbing.yan@cnpc.com.cn

  • 中图分类号: TE254

Experimental Study on Shale Borehole Wall Stability of Tight Oil Wells in Daqing Oilfield

  • 摘要: 大庆致密油区块青山口组、泉头组页岩容易发生井壁失稳情况。目前用于评价页岩井壁稳定性的常规方法为热滚分散和线性膨胀实验。此类实验通常存在人为缺陷,会误导对页岩膨胀活性的认识和配伍性流体的选择。采用更接近井下地层条件的3种实验方法(多级三轴应力实验、压力传递实验(PTT)、厚壁圆筒实验(TWC)),对大庆致密油页岩进行研究。通过多级三轴应力实验,绘制摩尔-库伦破坏包络线,确定了维持井壁稳定性所需钻井液密度。压力传递实验反映了特定流体系统中所预期的钻井液压力侵入速率和孔隙压力升高的延迟情况。厚壁圆筒实验研究了过平衡压力下暴露在钻井液中的岩心样品的破坏特性。这3种实验方法,模拟了在钻井过程中钻井液对井下页岩地层应力的影响,对研究井壁稳定性的影响因素更具指导意义。

     

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出版历程
  • 收稿日期:  2019-12-05
  • 刊出日期:  2020-04-28

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