A Comparative Study on Enhancing Oil Recovery of CO2 Miscible Displacement with Several Displacement Ways in an Eztra-low Permeability Reservoir
Efficiency of oil recovery with water flooding process is poor in low permeability oil reservoirs.By contrast, gas flooding is a efficient technology to improve oil recovery of such reservoirs. Considering good results of previous miscible displacements, experiments of physical model are performed by using the long core flow test, and variations of recovery factors and pressure are obtained under the different flooding processes in miscible pressure condition In this paper, It includes pure gas flooding、 pure water flooding、 gas flooding after water flooding、 water flooding after gas flooding and WAG. The research will provide the principle for selection of reasonable development manner of low permeability reservoirs and basic data for further numerical simulation.
gas MMP near miscible displacement EOR low permeability
ZHANG Shuo SHAN Wen wen
Institute of Porous Flow& Fluid Mechanics of Chinese Academy of Sciences, LangfangHebei 065007, China
国际会议
2009 International Forum on Porous Flow and Applications(第十届全国渗流力学学术会议)
武汉
英文
708-713
2009-04-26（万方平台首次上网日期，不代表论文的发表时间）