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水基钻井液用润滑剂SDL-1的研制与评价

李斌 蒋官澄 王金锡 王兰 刘凡 王玺 杨丽丽

李斌, 蒋官澄, 王金锡, 王兰, 刘凡, 王玺, 杨丽丽. 水基钻井液用润滑剂SDL-1的研制与评价[J]. 钻井液与完井液, 2019, 36(2): 170-175. doi: 10.3969/j.issn.1001-5620.2019.02.007
引用本文: 李斌, 蒋官澄, 王金锡, 王兰, 刘凡, 王玺, 杨丽丽. 水基钻井液用润滑剂SDL-1的研制与评价[J]. 钻井液与完井液, 2019, 36(2): 170-175. doi: 10.3969/j.issn.1001-5620.2019.02.007
LI Bin, JIANG Guancheng, WANG Jinxi, WANG Lan, LIU Fan, WANG Xi, YANG Lili. Development and Evaluation of a Water Base Drilling Fluid Lubricant SDL-1[J]. DRILLING FLUID & COMPLETION FLUID, 2019, 36(2): 170-175. doi: 10.3969/j.issn.1001-5620.2019.02.007
Citation: LI Bin, JIANG Guancheng, WANG Jinxi, WANG Lan, LIU Fan, WANG Xi, YANG Lili. Development and Evaluation of a Water Base Drilling Fluid Lubricant SDL-1[J]. DRILLING FLUID & COMPLETION FLUID, 2019, 36(2): 170-175. doi: 10.3969/j.issn.1001-5620.2019.02.007

水基钻井液用润滑剂SDL-1的研制与评价

doi: 10.3969/j.issn.1001-5620.2019.02.007
基金项目: 

“十三五”国家科技重大专项“复杂结构井、丛式井设计与控制新技术”(2017ZX05009-003);“十三五”国家科技重大专项“深井超深井优质钻井液与固井完井技术研究”(2016ZX05020-004);中海油十三五重点项目“鄂尔多斯盆地东缘致密气开发钻完井关键技术研究与应用”(ZSWSAKYXM2019-076)

详细信息
    作者简介:

    李斌,高工,1999年毕业于石油大学(北京),长期从事钻完井专业(尤其是非常规油气领域)技术研究和实践工作;E-mail:lbin10@126.com

  • 中图分类号: TE254

Development and Evaluation of a Water Base Drilling Fluid Lubricant SDL-1

  • 摘要: 高摩阻高扭矩问题是制约水基钻井液在大位移长水平段井应用的因素之一。针对这一问题,利用长链脂肪酸、小分子多元醇等原料,合成出了多元醇合成酯主剂,然后与极压添加剂复配形成水基钻井液用润滑剂SDL-1。性能评价结果表明,4%淡水基浆中加入1%润滑剂SDL-1,润滑系数的降低率为85.2%,泥饼的黏附系数降低率为59.3%;在150℃下老化16 h后,润滑系数的降低率可达94.0%,泥饼的黏附系数降低率为62.3%;在180℃下老化16 h后,润滑系数降低率仍可达90%,因此润滑剂SDL-1可抗温180℃;此外还能抵抗30% NaCl和30% CaCl2的污染。四球摩擦实验表明,经30 min摩擦后,SDL-1能有效减少划痕,降低表面磨损,抗磨效果优于国外润滑剂DFL。在2.0 g/cm3无土相钻井液体系和2.2 g/cm3环保钻井液体系中加入2%的SDL-1润滑剂后对体系的流变性影响较小,并能将体系的润滑系数降至0.08。整体而言,SDL-1具有良好的润滑性能和抗温抗盐污染性能,在深层大位移井中具有一定的应用前景。

     

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出版历程
  • 收稿日期:  2018-12-23
  • 刊出日期:  2019-04-30

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