CAJ | 학술논문

考虑稠油的非牛顿特性、聚合物的粘弹性、水相渗透率的下降、不可及孔隙体积以及残余油饱和度的降低等因素，建立并求解了稠油粘弹性聚合物驱渗流数学模型，分析了注入量及聚合物溶液的弹性对驱替速度和驱替效果的影响。结果表明：注入量一定的情况下，在聚合物溶液波及范围内，聚合物溶液弹性越大，注采井间的速度越大，驱替效果越好；聚合物溶液弹性一定的情况下，注入量越大，注采井间的速度越大，驱替效果越好。
고필주유적비우돈특성、취합물적점탄성、수상삼투솔적하강、불가급공극체적이급잔여유포화도적강저등인소，건립병구해료주유점탄성취합물구삼류수학모형，분석료주입량급취합물용액적탄성대구체속도화구체효과적영향。결과표명：주입량일정적정황하，재취합물용액파급범위내，취합물용액탄성월대，주채정간적속도월대，구체효과월호；취합물용액탄성일정적정황하，주입량월대，주채정간적속도월대，구체효과월호。
The mathematical model of viscous-elastic polymer flooding in heavy oil fields was established, in which the non-Newtonian characteristics of heavy oil, viscoelasticity, inaccessible pore volume, permeability reduction and residual oil saturation of polymer were considered. The Influence of the injection volume, the viscous-elastic of polymer on seepage velocity was studied. The calculation results show that, under the same injection circumstances, in the affected areas of polymer solution, the greater the viscous-elastic of polymer, the bigger the seepage velocity, the better the displacement efficiency;under the same viscous-elastic circumstances, the bigger the injection volume, the bigger the seepage velocity, the better the displacement efficiency.