The assumptions of ideal-reservoir model include（） and negligible gravity effects.

A.Homogeneous and isotropic porous medium

B.pressure dependent rock and fluid properties.

C.applicability of Darcy’s law

D.uniform thickness， radial flow， small pressure gradients

正确答案：Homogeneous and isotropic porous medium；pressure dependent rock and fluid properties.applicability of Darcy’s law；uniform thickness， radial flow， small pressure gradients