Two and three dimensional simulation studies have been done to evaluate waterflood oil recovery in a 40 acre 5 spot pattern using horizontal and vertical well systems. The three dimensional simulation results indicate that the parameters considered,i.

• 为了评价面积0.；16km2（40英亩）的五点井网水平井系统（水平注水井和水平生产井）和垂直井系统（垂直注水井和垂直生产井）注水开发的原油采收率，进行了二维和三维模拟研究。