The paper introduces oil production engineering series for heterogeneous, multilayer sandstone oilfield in the basis of separate zone production in the four development phases including production and stable production. The technologies provide technical means for realizing "Three-changes" of oilfield development, make an important contribution for keeping stable production of 50 million tons for 27 years in heterogeneous, multilayer sandstone oilfield. The development process and several technologies for different development phase are introduced in the paper.

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