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聚驱后井网加密与二元复合驱结合提高采收率实验研究
引用本文:韩培慧,曹瑞波. 聚驱后井网加密与二元复合驱结合提高采收率实验研究[J]. 海洋石油, 2013, 33(1): 59-63
作者姓名:韩培慧  曹瑞波
作者单位:大庆油田有限责任公司勘探开发研究院,黑龙江大厌,163712
基金项目:中国石油天然气股份有限公司科技重大专项"聚合物驱后提高采收率技术"
摘    要:国内一些油田已陆续进入聚合物驱后续水驱阶段,亟待研发聚驱后进一步提高采收率技术。为此,应用物理模拟方法,研究了聚驱后井网加密和二元复合驱相结合进一步提高采收率方法。实验过程中,利用饱和度监测技术测量物理模型含油饱和度的变化规律。实验结果表明,聚驱后油层仍有大量剩余储量,通过井网加密和二元复合驱结合可进一步提高采收率29.86%。

关 键 词:井网加密  二元复合驱  含水率  采收率  含油饱和度

Experimental Study on Infilling Well and Combined EOR Methods by S/P Binary Flooding after Polymer Flooding
HAN Peihui , CAO Ruibo. Experimental Study on Infilling Well and Combined EOR Methods by S/P Binary Flooding after Polymer Flooding[J]. Offshore Oil, 2013, 33(1): 59-63
Authors:HAN Peihui    CAO Ruibo
Affiliation:(Exploration and Development Research Institute of Daqing Oilfield Co.Ltd.,Daqing Heilongjiang 163712,China)
Abstract:Some domestic oil fields have entered successively the subsequent water flooding stage after polymer flooding, and it is urgent to develop further EOR methods after polymer flooding. For this purpose, infilling well and combined EOR methods of S/P binary flooding after polymer flooding have been study through physical simulations. In the experiments, oil saturation changes in the physical models were measured by some oil saturation monitoring apparatus. The experiments indicate that there are still a large amount of remained reserves in the layers after polymer flooding and recovery factor can be further increased by 29.86% by infilling well and the combined EOR methods of S/P binary flooding.
Keywords:infilling well  S/P binary flooding  water cut  recovery factor  oil saturation
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