Implementing Alternate Polymer flooding to Improve Dry Powder Utilization

2019 5th International Conference on Energy Materials and Environment Engineering

能源学;生态环境科学

Yuan, Yuan^1

Geological Brigade, Daqing Oilfield Co., Ltd., No. 3 Oil Production Plant, Saertu District, Daqing City, Heilongjiang Province

163113, China^1

关键词: Development effect;    Development technology;    Industrialized production;    Injection period;    Polymer injection;    Practical experience;    Tertiary oil recovery;    Utilization ratios;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/295/3/032025/pdf
DOI  :  10.1088/1755-1315/295/3/032025

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

After more than ten years of industrialized production, polymer flooding in Daqing Oilfield has formed a relatively mature matching development technology, and the tertiary oil recovery production mainly by polymer flooding has accounted for about one third of the total oil field. However, in recent years, the problem of increasing the amount of polymer dry powder and worsening the development effect and benefit has become increasingly prominent. In order to improve the development effect of tertiary oil recovery, reduce the cost of tertiary oil recovery and improve the utilization ratio of dry powder, the alternating polymer injection technology for second class reservoir is explored and implemented. By optimizing the parameters of alternating polymer injection, the optimum injection period, viscosity and strength are given quantitatively on the basis of laboratory research and numerical simulation. After application, good results have been achieved. This technology provides technical reserve and practical experience for efficient development of polymer flooding in second class reservoir.