又简介根据达西定律和水均衡原理，建立了三维有限差分数值方程及其解法。
It is briefly introduced that three-dimensional finite difference numerical equation is built according to Darcy's law and water equilibrium principle.
考虑了单井径向流模型、垂直压裂模型及拟三维多井模型，并给出了相应的有限差分数值模型。
Moreover, single-well radial flow model, vertical stimulated fracturing model and quasi-3D multi-wells model are considered, and finite difference schemes for these models are formulated as well.
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