A New Numerical Simulation Method for Horizontal Well in Tight Sandstone Reservoirs

With further progress of oilfields' development all over the world, more and more tight sandstone reservoirs are being put in production. The existence of low velocity non-Darcy flow has been proven, so in this paper the three-dimensional three-phase horizontal well numerical simulator was developed with considering the non-Darcy flow. The comprehensive comparison and analysis of the simulation results of Darcy flow and non-Darcy flow were provided including liquid production rate, oil production rate, water cut, reservoir pressure, oil saturation distribution and pressure distribution. With considering the non-Darcy flow, the fluid flow in reservoir consumes more driving energy, the water flooding efficiency was reduced.