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适用于济阳坳陷页岩油储层的功能性 压裂液体系优选与应用.

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Title: 适用于济阳坳陷页岩油储层的功能性 压裂液体系优选与应用.
Alternate Title: Optimization and application of functional fracturing fluid system suitable for shale oil reservoir in Jiyang depression.
Authors: 马应娴1,2 mayingxian@swpu.edu.cn, 徐磊1, 邹存虎1, 郭建春2, 徐广晓3
Source: Chemical Engineering of Oil & Gas / Shi You Yu Tian Ran Qi Hua Gong. Feb2026, Vol. 55 Issue 1, p76-83. 8p.
Subject Terms: *Fracturing fluids, *Petroleum reservoirs, *Geological basins, *Field research, *Enhanced oil recovery, *Thermal stability, Shengli Oil Field (China)
Abstract (English): Objective To address the problems of poor clay anti-swelling performance and low imbibition oil displacement efficiency of the existing fracturing fluid systems applied in the shale oil reservoirs of Jiyang Depression, this study focused on optimizing the fracturing fluid formula to mitigate clay mineral swelling damage and enhance fracturing oil displacement as well as production recovery effects. The ultimate goal was to develop a low-cost functional fracturing fluid system adapted to the shale oil reservoirs in Jiyang Depression. Method Based on the investigation of reservoir rock physical properties, high-efficiency imbibition agents and anti-swelling additives for fracturing fluids were screened and optimized. These additives were integrated with the oilfield’s existing high-temperatureresistant fracturing fluid base agent, thus formulating a functional fracturing fluid system that simultaneously exhibits high-temperature resistance, clay anti-swelling capability, and imbibition oil displacement performance, tailored for the shale oil reservoirs of Shengli Oilfield. Field application of this developed system was successfully implemented. Result After shearing at 200 ℃ and a shear rate of 100 s−1 for 120 min, the viscosity of the fracturing fluid system remained at 56 mPa·s. The imbibition displacement efficiency of the broken gel fluid on rock cores was 2.32 times higher than that in pure water. The maximum anti-swelling rate reached 88.6%, and the core damage rate was less than 25%. Field tests of this functional fracturing fluid system were conducted across 37 intervals in Shengli shale oil reservoirs. During the 6-month production period after fracturing, the average daily oil production was 71.4 t, a 16.29% increase over adjacent wells; the average daily gas production was 12 530.9 m³, an 18.64% increase relative to adjacent wells, indicating favorable stimulation effects. Conclusion The research findings can provide a theoretical basis and technical support for further improving the imb. [ABSTRACT FROM AUTHOR]
Abstract (Chinese): 目的 针对济阳坳陷页岩油储层原有压裂液体系防膨及渗吸驱油效果不佳的问题, 以减少黏土矿物膨胀伤害、提 高压裂驱油采收率效果为目的, 开展压裂液体系配方优化研究, 形成适应济阳坳陷页岩油储层的低成本功能性压裂液体系。方法 在 储层岩石物性特征研究基础上, 优选了压裂液用高效渗吸剂与防膨助剂, 配套油田原有的耐高温压裂液主剂, 形成了适合 胜利页岩油储层的兼具耐高温、防膨与渗吸驱油作用的功能性压裂液体系, 并成功进行了现场应用。结果 该体系在 200 ℃、 100 s−1 剪切速率下剪切 120 min 后, 体系黏度仍有 56 mPa· s, 破胶液对岩心渗吸置换效率为清水条件下的 2.32 倍, 防膨率最 高可达 88.6%, 对岩心伤害率低于 25%。功能性压裂液体系在胜利页岩油现场试验 37 段, 压后开井 6 个月平均日产油量 71.4 t, 较邻井提高 16.29%; 日产气量 12 530.9 m³, 较邻井提高 18.64%, 增产效果良好。结论 研究成果可为进一步提高胜利页岩油 压裂后的渗吸采收率和页岩油高效开发提供理论依据与技术支持。 [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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  Data: 适用于济阳坳陷页岩油储层的功能性 压裂液体系优选与应用.
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  Data: Optimization and application of functional fracturing fluid system suitable for shale oil reservoir in Jiyang depression.
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  Data: <searchLink fieldCode="AR" term="%22马应娴%22">马应娴</searchLink><relatesTo>1,2</relatesTo><i> mayingxian@swpu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22徐磊%22">徐磊</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22邹存虎%22">邹存虎</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22郭建春%22">郭建春</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22徐广晓%22">徐广晓</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Chemical+Engineering+of+Oil+%26+Gas+%2F+Shi+You+Yu+Tian+Ran+Qi+Hua+Gong%22">Chemical Engineering of Oil & Gas / Shi You Yu Tian Ran Qi Hua Gong</searchLink>. Feb2026, Vol. 55 Issue 1, p76-83. 8p.
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  Data: *<searchLink fieldCode="DE" term="%22Fracturing+fluids%22">Fracturing fluids</searchLink><br />*<searchLink fieldCode="DE" term="%22Petroleum+reservoirs%22">Petroleum reservoirs</searchLink><br />*<searchLink fieldCode="DE" term="%22Geological+basins%22">Geological basins</searchLink><br />*<searchLink fieldCode="DE" term="%22Field+research%22">Field research</searchLink><br />*<searchLink fieldCode="DE" term="%22Enhanced+oil+recovery%22">Enhanced oil recovery</searchLink><br />*<searchLink fieldCode="DE" term="%22Thermal+stability%22">Thermal stability</searchLink><br /><searchLink fieldCode="DE" term="%22Shengli+Oil+Field+%28China%29%22">Shengli Oil Field (China)</searchLink>
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: Objective To address the problems of poor clay anti-swelling performance and low imbibition oil displacement efficiency of the existing fracturing fluid systems applied in the shale oil reservoirs of Jiyang Depression, this study focused on optimizing the fracturing fluid formula to mitigate clay mineral swelling damage and enhance fracturing oil displacement as well as production recovery effects. The ultimate goal was to develop a low-cost functional fracturing fluid system adapted to the shale oil reservoirs in Jiyang Depression. Method Based on the investigation of reservoir rock physical properties, high-efficiency imbibition agents and anti-swelling additives for fracturing fluids were screened and optimized. These additives were integrated with the oilfield’s existing high-temperatureresistant fracturing fluid base agent, thus formulating a functional fracturing fluid system that simultaneously exhibits high-temperature resistance, clay anti-swelling capability, and imbibition oil displacement performance, tailored for the shale oil reservoirs of Shengli Oilfield. Field application of this developed system was successfully implemented. Result After shearing at 200 ℃ and a shear rate of 100 s−1 for 120 min, the viscosity of the fracturing fluid system remained at 56 mPa·s. The imbibition displacement efficiency of the broken gel fluid on rock cores was 2.32 times higher than that in pure water. The maximum anti-swelling rate reached 88.6%, and the core damage rate was less than 25%. Field tests of this functional fracturing fluid system were conducted across 37 intervals in Shengli shale oil reservoirs. During the 6-month production period after fracturing, the average daily oil production was 71.4 t, a 16.29% increase over adjacent wells; the average daily gas production was 12 530.9 m³, an 18.64% increase relative to adjacent wells, indicating favorable stimulation effects. Conclusion The research findings can provide a theoretical basis and technical support for further improving the imb. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Chinese)
  Group: Ab
  Data: 目的 针对济阳坳陷页岩油储层原有压裂液体系防膨及渗吸驱油效果不佳的问题, 以减少黏土矿物膨胀伤害、提 高压裂驱油采收率效果为目的, 开展压裂液体系配方优化研究, 形成适应济阳坳陷页岩油储层的低成本功能性压裂液体系。方法 在 储层岩石物性特征研究基础上, 优选了压裂液用高效渗吸剂与防膨助剂, 配套油田原有的耐高温压裂液主剂, 形成了适合 胜利页岩油储层的兼具耐高温、防膨与渗吸驱油作用的功能性压裂液体系, 并成功进行了现场应用。结果 该体系在 200 ℃、 100 s−1 剪切速率下剪切 120 min 后, 体系黏度仍有 56 mPa· s, 破胶液对岩心渗吸置换效率为清水条件下的 2.32 倍, 防膨率最 高可达 88.6%, 对岩心伤害率低于 25%。功能性压裂液体系在胜利页岩油现场试验 37 段, 压后开井 6 个月平均日产油量 71.4 t, 较邻井提高 16.29%; 日产气量 12 530.9 m³, 较邻井提高 18.64%, 增产效果良好。结论 研究成果可为进一步提高胜利页岩油 压裂后的渗吸采收率和页岩油高效开发提供理论依据与技术支持。 [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.3969/j.issn.1007-3426.2026.01.011
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      – Code: chi
        Text: Chinese
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      Pagination:
        PageCount: 8
        StartPage: 76
    Subjects:
      – SubjectFull: Fracturing fluids
        Type: general
      – SubjectFull: Petroleum reservoirs
        Type: general
      – SubjectFull: Geological basins
        Type: general
      – SubjectFull: Field research
        Type: general
      – SubjectFull: Enhanced oil recovery
        Type: general
      – SubjectFull: Thermal stability
        Type: general
      – SubjectFull: Shengli Oil Field (China)
        Type: general
    Titles:
      – TitleFull: 适用于济阳坳陷页岩油储层的功能性 压裂液体系优选与应用.
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            NameFull: 马应娴
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            NameFull: 徐磊
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            NameFull: 邹存虎
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            NameFull: 郭建春
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              M: 02
              Text: Feb2026
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              Y: 2026
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            – TitleFull: Chemical Engineering of Oil & Gas / Shi You Yu Tian Ran Qi Hua Gong
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