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抗高温高密度生物质钻井液体系研究及应用

周启成 梁应红 单海霞 黄桃 国安平 王俊祥

周启成,梁应红,单海霞,等. 抗高温高密度生物质钻井液体系研究及应用[J]. 石油钻探技术,2022, 50(6):78-84 doi: 10.11911/syztjs.2022109
引用本文: 周启成,梁应红,单海霞,等. 抗高温高密度生物质钻井液体系研究及应用[J]. 石油钻探技术,2022, 50(6):78-84 doi: 10.11911/syztjs.2022109
ZHOU Qicheng, LIANG Yinghong, SHAN Haixia, et al. Research and application of a high-temperature resistant and high-density biomass drilling fluid system [J]. Petroleum Drilling Techniques,2022, 50(6):78-84 doi: 10.11911/syztjs.2022109
Citation: ZHOU Qicheng, LIANG Yinghong, SHAN Haixia, et al. Research and application of a high-temperature resistant and high-density biomass drilling fluid system [J]. Petroleum Drilling Techniques,2022, 50(6):78-84 doi: 10.11911/syztjs.2022109

抗高温高密度生物质钻井液体系研究及应用

doi: 10.11911/syztjs.2022109
基金项目: 中国石化集团公司科技攻关项目“抗温抗盐生物质合成树脂降滤失剂研制”(编号:JP18038-1)、中石化石油工程公司科技攻关项目“水基钻井液用生物质合成树脂降滤失剂研制”(编号:SG19-82K)资助
详细信息
    作者简介:

    周启成(1988—),男,广东梅州人,2013年毕业于长江大学石油工程专业,2016年获长江大学油气井工程专业硕士学位,工程师,主要从事生物质功能材料(油田化学品)研发工作。E-mail:625687692@qq.com

  • 中图分类号: TE254

Research and Application of a High-Temperature Resistant and High-Density Biomass Drilling Fluid System

  • 摘要:

    为了提高抗高温高密度钻井液体系的高温稳定性及环保性能,以自主研发的生物质合成树脂降滤失剂、抑制剂和润滑剂为核心处理剂,对处理剂加量进行优化,构建了抗高温高密度生物质钻井液体系。性能评价结果表明:该体系抗温可达200 ℃,抗1.0%CaCl2污染,岩屑滚动回收率达94.3%,润滑系数≤0.128,生物毒性EC50为89 230 mg/L。现场应用表明,抗高温高密度生物质钻井液具有较好的抗污染能力,在密度达2.55 kg/L、井底温度达140 ℃的情况下其仍具有很好的流变稳定性能。抗高温高密度生物质钻井液促进了生物质资源在钻井液领域的利用,解决了高密度水基钻井液抗温性与环保性相矛盾的问题,具有较好的现场推广应用价值。

     

  • 图 1  生物质合成树脂降滤失剂红外光谱

    Figure 1.  Infrared spectroscopy of filtrate reducers with biomass synthetic resin

    图 2  不同密度抗高温高密度生物质钻井液的润滑系数

    Figure 2.  Lubrication coefficient of high-temperature resistant and high-density biomass drilling fluids with different densities

    表  1  基浆加入不同量降滤失剂时的基本性能

    Table  1.   Basic properties of drilling fluids with different dosages of filtrate reducers

    降滤失剂
    加量,%
    表观黏度/
    (mPa·s)
    塑性黏度/
    (mPa·s)
    动切力/
    Pa
    API滤失
    量/mL
    高温高压
    滤失量/mL
    2.028.01810.01858.6
    4.030.51713.51226.4
    6.032.51517.5 822.8
    下载: 导出CSV

    表  2  钠膨润土基浆加入不同量抑制剂时的抑制性能

    Table  2.   Inhibition properties of sodium bentonite drilling fluids with different dosages of inhibitors

    抑制剂加量,
    %
    表观黏度/
    (mPa·s)
    塑性黏度/
    (mPa·s)
    动切力/
    Pa
    相对抑制率,
    %
    085.0 679.0
    0.325.017 8.089.1
    0.516.512 4.593.2
    0.7 7.5 5 2.596.6
    1.0 6.5 6 0.598.6
    下载: 导出CSV

    表  3  基浆加入不同量润滑剂时的润滑性能

    Table  3.   Lubricating properties of drilling fluids with different lubricant contents

    润滑剂加量,%润滑系数润滑系数减小率,%
    00.425
    0.50.08280.71
    1.00.03990.82
    1.50.03591.76
    2.00.03392.24
    2.50.03192.71
    3.00.02893.41
    下载: 导出CSV

    表  4  不同温度下抗高温高密度生物质钻井液的基本性能

    Table  4.   Basic properties of high-temperature resistant and high-density biomass drilling fluids at different temperatures

    老化温度/℃表观黏度/(mPa·s)塑性黏度/(mPa·s)动切力/Pa静切力/PaAPI滤失量/mL高温高压滤失量/mL
    初切终切
    120312471.05.01.2 8
    160383441.55.51.6 9
    180312382.06.51.810
    200403193.08.02.414
    下载: 导出CSV

    表  5  不同密度抗高温高密度生物质钻井液的基本性能

    Table  5.   Basic properties of high-temperature resistant and high-density biomass drilling fluids with different densities

    密度/(kg·L−1表观黏度/(mPa·s)塑性黏度/(mPa·s)动切力/Pa静切力/PaAPI滤失量/mL高温高压滤失量/mL
    初切终切
    1.8039.033.0 6.01.03.53.213
    2.1040.031.0 9.03.08.02.414
    2.3055.043.012.02.58.52.612
    2.4061.556.0 5.51.57.03.614
    下载: 导出CSV

    表  6  抗高温高密度生物质钻井液环保性能测试结果

    Table  6.   Test results of environmental protection performance of high-temperature resistant and high-density biomass drilling fluids

    名称生物毒性EC50/(mg·L−1生物可降解性
    降滤失剂LDR620 0000.26
    抑制剂SW-A112 0000.47
    润滑剂ZYRH-1151 4000.51
    抗高温生物质钻井液 89 2300.17
    下载: 导出CSV

    表  7  不同钙离子加量下的抗高温高密度生物质钻井液性能

    Table  7.   Performance of high-temperature resistant and high-density biomass drilling fluids with different calcium ion dosages

    氯化钙
    加量,%
    表观黏度/
    (mPa·s)
    塑性黏度/
    (mPa·s)
    动切
    力/Pa
    静切力/PaAPI滤
    失量/mL
    高温高压
    滤失量/mL
    初切终切
    030.022.08.02.58.51.812
    0.231.023.08.03.513.52.210
    0.430.525.05.53.011.52.410
    0.840.035.05.03.014.02.814
    1.055.046.09.04.019.03.216
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-03-05
  • 修回日期:  2022-10-16
  • 网络出版日期:  2022-11-08

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