无碱二元体系在孤东七区油藏流变性和界面活性分布

吴志伟; 岳湘安; 赵方剑; 刘青; 李晓胜; 张立娟

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无碱二元体系在孤东七区油藏流变性和界面活性分布　　

吴志伟, 岳湘安, 赵方剑, 刘青, 李晓胜, 张立娟

文章导航 > 石油钻采工艺 > 2012 > 34(6): 82-84

吴志伟, 岳湘安, 赵方剑, 刘青, 李晓胜, 张立娟. 无碱二元体系在孤东七区油藏流变性和界面活性分布　　[J]. 石油钻采工艺, 2012, 34(6): 82-84.

引用本文:

吴志伟, 岳湘安, 赵方剑, 刘青, 李晓胜, 张立娟. 无碱二元体系在孤东七区油藏流变性和界面活性分布　　[J]. 石油钻采工艺, 2012, 34(6): 82-84.

WU Zhiwei, YUE Xiang, ZHAO Fangjian, LIU Qing, LI Xiaosheng, ZHANG Lijuan. Rheology and interfacial activity distribution of surfactant-polymer systemin the seventh block of Gudong Oilfield[J]. Oil Drilling & Production Technology, 2012, 34(6): 82-84.

Citation:

WU Zhiwei, YUE Xiang, ZHAO Fangjian, LIU Qing, LI Xiaosheng, ZHANG Lijuan. Rheology and interfacial activity distribution of surfactant-polymer systemin the seventh block of Gudong Oilfield[J]. Oil Drilling & Production Technology, 2012, 34(6): 82-84.

无碱二元体系在孤东七区油藏流变性和界面活性分布　　

吴志伟^1,2,
岳湘安^1,2,
赵方剑³,
刘青^1,2,
李晓胜^1,2,
张立娟^1,2

1.
中国石油大学石油工程教育部重点实验室，北京　102249
2.
中国石油大学石油工程学院，北京　102249
3.
中国石化胜利油田地质科学研究院，山东东营　257015

详细信息

中图分类号: TE357

Rheology and interfacial activity distribution of surfactant-polymer systemin the seventh block of Gudong Oilfield

1.
MOE Key Laboratory of Petroleum Engineering, China University of Petroleum, Beijing 102249, China
2.
School of Petroleum Engineering, China University of Petroleum, Beijing 102249, China
3.
Geological Scientific Research Institute of Sinopec Shengli Oilfield Company, Dongying 257015, China

摘要: 为更好地揭示无碱二元体系在油藏中性能损失规律，结合胜利孤东七区非均质强、储层结构疏松等油藏条件，在不同长度岩心中开展二元体系溶液渗流实验。通过进行聚合物溶液对表面活性剂界面活性以及表面活性剂对聚合物溶液黏度的影响来研究两者间的相互作用；并在不同长度岩心出口端取采出液，测试不同位置处黏度与界面张力的变化研究该二元体系溶液在近井和油藏流变性和界面活性分布特征。结果表明：加入聚合物溶液后，二元体系界面张力变化规律与单一表面活性剂相似，但使油/水界面张力达到超低时间要长；表面活性剂对聚合物溶液黏度影响不大，二元体系能保持良好的增黏特性；渗流开始时，二元体系A和B黏度保留率较单一聚合物溶液要高，而界面活性主要损失在近井地带（相对距离0~20%），并在相对距离60%~100%处达到稳定；渗流达到稳定时，二元体系黏度保留率在0~20%处从100%降为84.2%，并在油藏深部分布均匀，受到相对距离的影响不大，二元体系与油滴间的界面张力在60%时达到稳定。
- 二元体系 /
- 界面张力 /
- 流变性 /
- 黏度保留率 /
- 分布
Abstract: In order to reveal the property loss law of surfactant-polymer （SP） system in the reservoir, combining with the reservoir conditions of strong heterogeneity and unconsolidated reservoir structure in the seventh block of Gudong oilfield, flow experiments were carried out in the cores with different lengths. The interaction between surfactant and polymer was studied through the change of interfacial activity and viscosity after the polymer and surfactant were added into SP system. The produced fluid was taken out from outlet end of cores with different lengths, and interfacial activity and viscosity were measured to study distribution characteristics of rheology and interfacial activity of surfactant-polymer system in vicinity of wellbore and reservoir. The experimental results showed that, after adding polymer solution, SP system interfacial tension presented similar change law to that of single surfactant, but the time to reach ultra-low interfacial tension was longer. The surfactant had little effect on viscosity of polymer solution, and surfactant-polymer system could maintain a good property of viscosity-increasing. At the beginning of flowing, the viscosity retention rate of SP system A and B were larger than the value of single polymer solution. But most of interfacial activity of SP system lost in vicinity of wellbore 0~20%, the interfacial tension was stable in the relative distance of 60%~100%. After the flowing became stable, the viscosity retention rate of SP system reduced from 100% to 84.2% in the relative distance of 0~20%, the distribution was uniform at deep reservoir, and the relative distance influence was comparative less. Interfacial activity between SP system and oil drop was stable in the relative distance of 60%.　　
- surfactant-polymer system /
- interfacial tension /
- rheology /
- viscosity retention rate /
- distribution

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无碱二元体系在孤东七区油藏流变性和界面活性分布　　

1. 中国石油大学石油工程教育部重点实验室，北京　102249

2. 中国石油大学石油工程学院，北京　102249

3. 中国石化胜利油田地质科学研究院，山东东营　257015

收稿日期: 2019-05-21
修回日期: 2019-05-21
刊出日期: 2013-01-22

中图分类号: TE357

关键词:

流变性 /

摘要: 为更好地揭示无碱二元体系在油藏中性能损失规律，结合胜利孤东七区非均质强、储层结构疏松等油藏条件，在不同长度岩心中开展二元体系溶液渗流实验。通过进行聚合物溶液对表面活性剂界面活性以及表面活性剂对聚合物溶液黏度的影响来研究两者间的相互作用；并在不同长度岩心出口端取采出液，测试不同位置处黏度与界面张力的变化研究该二元体系溶液在近井和油藏流变性和界面活性分布特征。结果表明：加入聚合物溶液后，二元体系界面张力变化规律与单一表面活性剂相似，但使油/水界面张力达到超低时间要长；表面活性剂对聚合物溶液黏度影响不大，二元体系能保持良好的增黏特性；渗流开始时，二元体系A和B黏度保留率较单一聚合物溶液要高，而界面活性主要损失在近井地带（相对距离0~20%），并在相对距离60%~100%处达到稳定；渗流达到稳定时，二元体系黏度保留率在0~20%处从100%降为84.2%，并在油藏深部分布均匀，受到相对距离的影响不大，二元体系与油滴间的界面张力在60%时达到稳定。

English Abstract

Rheology and interfacial activity distribution of surfactant-polymer systemin the seventh block of Gudong Oilfield

1. MOE Key Laboratory of Petroleum Engineering, China University of Petroleum, Beijing 102249, China

2. School of Petroleum Engineering, China University of Petroleum, Beijing 102249, China

3. Geological Scientific Research Institute of Sinopec Shengli Oilfield Company, Dongying 257015, China

Received Date: 2019-05-21
Rev Recd Date: 2019-05-21
Publish Date: 2013-01-22

Keywords:

Abstract: In order to reveal the property loss law of surfactant-polymer （SP） system in the reservoir, combining with the reservoir conditions of strong heterogeneity and unconsolidated reservoir structure in the seventh block of Gudong oilfield, flow experiments were carried out in the cores with different lengths. The interaction between surfactant and polymer was studied through the change of interfacial activity and viscosity after the polymer and surfactant were added into SP system. The produced fluid was taken out from outlet end of cores with different lengths, and interfacial activity and viscosity were measured to study distribution characteristics of rheology and interfacial activity of surfactant-polymer system in vicinity of wellbore and reservoir. The experimental results showed that, after adding polymer solution, SP system interfacial tension presented similar change law to that of single surfactant, but the time to reach ultra-low interfacial tension was longer. The surfactant had little effect on viscosity of polymer solution, and surfactant-polymer system could maintain a good property of viscosity-increasing. At the beginning of flowing, the viscosity retention rate of SP system A and B were larger than the value of single polymer solution. But most of interfacial activity of SP system lost in vicinity of wellbore 0~20%, the interfacial tension was stable in the relative distance of 60%~100%. After the flowing became stable, the viscosity retention rate of SP system reduced from 100% to 84.2% in the relative distance of 0~20%, the distribution was uniform at deep reservoir, and the relative distance influence was comparative less. Interfacial activity between SP system and oil drop was stable in the relative distance of 60%.　　

吴志伟, 岳湘安, 赵方剑, 刘青, 李晓胜, 张立娟. 无碱二元体系在孤东七区油藏流变性和界面活性分布　　[J]. 石油钻采工艺, 2012, 34(6): 82-84.

引用本文:

吴志伟, 岳湘安, 赵方剑, 刘青, 李晓胜, 张立娟. 无碱二元体系在孤东七区油藏流变性和界面活性分布　　[J]. 石油钻采工艺, 2012, 34(6): 82-84.

Citation:

WU Zhiwei, YUE Xiang, ZHAO Fangjian, LIU Qing, LI Xiaosheng, ZHANG Lijuan. Rheology and interfacial activity distribution of surfactant-polymer systemin the seventh block of Gudong Oilfield[J]. Oil Drilling & Production Technology, 2012, 34(6): 82-84.

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无碱二元体系在孤东七区油藏流变性和界面活性分布

Rheology and interfacial activity distribution of surfactant-polymer systemin the seventh block of Gudong Oilfield

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无碱二元体系在孤东七区油藏流变性和界面活性分布

1. 中国石油大学石油工程教育部重点实验室，北京 102249 2. 中国石油大学石油工程学院，北京 102249 3. 中国石化胜利油田地质科学研究院，山东东营 257015

English Abstract

Rheology and interfacial activity distribution of surfactant-polymer systemin the seventh block of Gudong Oilfield

1. MOE Key Laboratory of Petroleum Engineering, China University of Petroleum, Beijing 102249, China 2. School of Petroleum Engineering, China University of Petroleum, Beijing 102249, China 3. Geological Scientific Research Institute of Sinopec Shengli Oilfield Company, Dongying 257015, China

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无碱二元体系在孤东七区油藏流变性和界面活性分布　　

无碱二元体系在孤东七区油藏流变性和界面活性分布　　

1. 中国石油大学石油工程教育部重点实验室，北京　102249

2. 中国石油大学石油工程学院，北京　102249

3. 中国石化胜利油田地质科学研究院，山东东营　257015

1. MOE Key Laboratory of Petroleum Engineering, China University of Petroleum, Beijing 102249, China

2. School of Petroleum Engineering, China University of Petroleum, Beijing 102249, China

3. Geological Scientific Research Institute of Sinopec Shengli Oilfield Company, Dongying 257015, China