Based on the potential superposition theory and method of mirror, the potential spatial distribution of the stepped type horizontal well production section in the thin interbed reservoir are deduced.

• 基于势叠加原理和镜像反映原理,推导出了薄互层油藏中阶梯式水平井生产段的空间势分布;采用微元线汇理论和动量守恒定律建立了薄互层油藏阶梯水平井生产段沿程压降计算模型。