Experiment Science and Technology, Volume. 23, Issue 3, 94(2025)

Study on the Determination Method of Total Amine Value of Amine Group Polyether for Drilling Fluid

Shifa MAO*, Xiaoyan LIU, Wentang LIU, and Wenying MA
Author Affiliations
  • Sinopec Zhongyuan Petroleum Engineering Co., Ltd., Puyang 457001, China
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    Figures & Tables(11)
    Investigation of Boiling Time
    • Table 1. Indicator Investigation

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      Table 1. Indicator Investigation

      指示剂终点变色是否适用
      甲基橙橙黄—橙—粉红
      溴甲酚绿—甲基红绿—灰绿—暗红
      溴酚蓝蓝—黄
    • Table 2. Influence of Solvent on Experimental Results

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      Table 2. Influence of Solvent on Experimental Results

      溶剂称样质量 /g盐酸浓度 /(mol·L−1消耗盐酸体积 /mL总胺值 /(mmol·g−1平均总胺值 /(mmol·g−1相对平均偏差 /%终点颜色
      0.20000.2406.657.987.851.36蓝绿—黄绿 变色缓慢
      0.20650.2406.787.88
      0.21390.2406.857.69
      乙醇0.20600.2406.697.777.830.71蓝—黄绿 变色明显
      0.20950.2406.937.91
      0.20120.2406.567.80
      异丙醇0.20050.2446.407.637.640.32蓝—黄 变色明显
      0.20550.2446.607.68
      0.22290.2447.107.62
    • Table 3. Investigation of Isopropyl Alcohol Dosage

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      Table 3. Investigation of Isopropyl Alcohol Dosage

      异丙醇/mL胺基聚醚/g氯化铵/mmol总胺值/(mmol·g−1平均总胺值/(mmol·g−1相对平均偏差/%
      100.50874.248.348.390.60
      0.52574.448.44
      300.51464.308.358.300.54
      0.51404.248.26
      500.52354.368.338.340.06
      0.50214.198.34
      800.52084.358.368.360.00
      0.52274.378.36
    • Table 4. Sample Addition Investigation

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      Table 4. Sample Addition Investigation

      样品加量/g消耗盐酸体积/mL总胺值/(mmol·g−1平均总胺值/(mmol·g−1相对平均偏差/%
      0.21387.047.897.960.95
      0.20826.887.91
      0.21677.308.07
      0.516417.328.038.030.06
      0.515517.288.03
      0.514617.288.04
      0.820627.508.038.020.06
      0.816827.408.02
      0.815427.308.02
      1.068235.988.078.050.14
      1.045834.958.05
      1.011833.958.04
    • Table 5. Ash Analysis of Samples

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      Table 5. Ash Analysis of Samples

      序号样品质量坩埚质量/g(坩埚+灰分)质量/g灰分质量/g灰分比例/%灰分pH值
      159.971880.558580.56230.00380.0067
      236.252761.455161.45750.00240.0077
      339.128960.164760.16730.00260.0077
    • Table 6. Review of the Method of Judging Whether it Contains Free Alkali

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      Table 6. Review of the Method of Judging Whether it Contains Free Alkali

      溶剂配比加入酚酞后颜色
      异丙醇/%水/%无游离碱含游离碱
      5050玫红玫红
      7030玫红玫红
      8020粉红玫红
      9010无色玫红
      1000无色玫红
    • Table 7. Investigation of Boiling Degree

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      Table 7. Investigation of Boiling Degree

      处理方式氨基聚醚/g总胺值/(mmol·g−1平均总胺值/(mmol·g−1相对平均偏差/%
      微沸0.51268.318.330.13
      0.54128.34
      0.58618.33
      剧沸0.50128.538.391.11
      0.53028.35
      0.54488.29
    • Table 8. Effect of Boiling on Ammonia Removal

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      Table 8. Effect of Boiling on Ammonia Removal

      样品处理方式测得总胺值/(mmol·g−1除氨率/%
      胺基聚醚+氨水未煮沸测定11.5196
      胺基聚醚+氨水微沸1 min测定8.17
      胺基聚醚未煮沸测定8.03
    • Table 9. Experiment of Recovery rate with Standard Addition

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      Table 9. Experiment of Recovery rate with Standard Addition

      序号试样加标试样加标物消耗盐酸/mL加标物胺值测定值/(mmol·g−1加标物胺值理论值/(mmol·g−1回收率/ %
      胺基聚醚/g消耗盐酸/mL(胺基聚醚+ 标准物)/g消耗盐酸/mL
      10.509118.210.50910.139735.1516.9428.2529.0897.1
      20.511018.280.51100.116332.4014.1228.2997.3
      30.500417.900.50040.118132.3014.4028.4197.7
    • Table 10. Determination of Total Amine Values of Different Amine Polyether Samples

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      Table 10. Determination of Total Amine Values of Different Amine Polyether Samples

      样品型号D230(Ⅰ)D230(Ⅱ)D230((Ⅲ))MA240T403ED600ED900
      分子量230230230440440600900
      各次测定总胺值 /(mmol·g−18.378.037.634.506.433.201.98
      8.198.037.684.416.363.162.10
      8.388.047.624.416.333.141.96
      平均总胺值 /(mmol·g−18.318.037.644.446.373.152.01
      相对平均偏差/%0.990.060.320.900.590.712.87
      官能度2222322
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    Shifa MAO, Xiaoyan LIU, Wentang LIU, Wenying MA. Study on the Determination Method of Total Amine Value of Amine Group Polyether for Drilling Fluid[J]. Experiment Science and Technology, 2025, 23(3): 94

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    Paper Information

    Category:

    Received: May. 1, 2023

    Accepted: --

    Published Online: Jun. 9, 2025

    The Author Email: Shifa MAO (liunuo2006@126.com)

    DOI:10.12179/1672-4550.20230239

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