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为解决油田大型注水系统建模和制定优化运行方案，建立高精度的数学模型，提出了多步广义梯度法和多层曲线拟合的建模方法，综合运用了大系统理论、人工智能和模糊数学方法。对系统进行了多层分解，并建立了系统的知识库。通过图搜索技术使制定的运行方案得到初步确定。由大系统协调原理使运行方案得到完全确定。该方案在大庆采油六厂实施后，既达到地质配注要求，又实现了节能目标。
In order to solve the problem of large-scale waterflooding system modeling and optimizing operation plan, a mathematical model with high precision was established, and a multi-step generalized gradient method and multi-layer curve fitting modeling method were put forward. Large system theory, artificial intelligence and fuzzy mathematical method. The system has been multi-level decomposition, and established a system of knowledge base. Through the map search technology to make the operation of the program has been initially identified. Coordinated by the principle of large systems so that the operation plan is completely determined. After the implementation of the program in Daqing Oil Production Plant 6, it not only meets the geological allocation requirements but also realizes the energy-saving target.