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可降解清洁钻井液的研究及现场应用

许朋琛 陈宁 胡景东 陈必武 王丽丽 滑志超 桑军元

许朋琛, 陈宁, 胡景东, 陈必武, 王丽丽, 滑志超, 桑军元. 可降解清洁钻井液的研究及现场应用[J]. 钻井液与完井液, 2017, 34(3): 27-32. doi: 10.3969/j.issn.1001-5620.2017.03.005
引用本文: 许朋琛, 陈宁, 胡景东, 陈必武, 王丽丽, 滑志超, 桑军元. 可降解清洁钻井液的研究及现场应用[J]. 钻井液与完井液, 2017, 34(3): 27-32. doi: 10.3969/j.issn.1001-5620.2017.03.005
XU Pengchen, CHEN Ning, HU Jingdong, CHEN Biwu, WANG Lili, HUA Zhichao, SANG Junyuan. Study and Field Application of Degradable Clear Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2017, 34(3): 27-32. doi: 10.3969/j.issn.1001-5620.2017.03.005
Citation: XU Pengchen, CHEN Ning, HU Jingdong, CHEN Biwu, WANG Lili, HUA Zhichao, SANG Junyuan. Study and Field Application of Degradable Clear Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2017, 34(3): 27-32. doi: 10.3969/j.issn.1001-5620.2017.03.005

可降解清洁钻井液的研究及现场应用

doi: 10.3969/j.issn.1001-5620.2017.03.005
基金项目: 

中国石油集团渤海钻探工程有限公司项目"新型低荧光、环保型钻井液体系研究与现场应用"(2017Z48K);中国石油集团渤海钻探工程有限公司项目"超分子化学堵漏技术研究"(2016Z61Y);"十三五"国家科技重大专项"复杂结构井、丛式井安全环保型钻井液新技术"(2017ZX05009-003)。

详细信息
    作者简介:

    许朋琛,工程师,现在主要从事钻井液体系研究与应用的工作。电话18631779601;E-mail:xpc-111@163.com。

  • 中图分类号: TE254.3

Study and Field Application of Degradable Clear Drilling Fluid

  • 摘要: 针对煤层气井钻井过程中钻井安全和煤层保护之间的矛盾问题,研制了钻井液用提切剂BZ-2和固膜剂GMJ,并以此为核心开发了可降解清洁钻井液体系。对BZ-2和GMJ的抑制性、流变性、残渣量及对岩心强度的影响等性能进行了评价。实验结果表明,该体系的页岩回收率为93.5%;流变性好,动塑比达到0.93 Pa/mPafs,初切、终切、动切力分别为2.5、3.0、20.5 Pa;API滤失量控制在12 mL以内,残渣量为4.5 mg/L,岩心强度增加了16.7%。该体系已在山西沁水盆地南部晋城斜坡带郑庄区块4口井进行试验。试验效果表明,其解决了该区块多分支水平井的钻井安全和煤层保护问题,日产气量较邻井提高了2倍以上,测算稳定产气量在3 000~5 000 m3/d,具有较好的推广应用前景。

     

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  • 收稿日期:  2017-03-01
  • 刊出日期:  2017-05-31

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