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建立了三维水平井井眼轨道设计模糊非线性多目标最优控制模型 ,利用模糊集理论把该模型转化为非线性规划问题 ,并把该模型应用到水平井的实际生产中 ,得到满意的结果 .
The fuzzy nonlinear multi-objective optimal control model of wellbore trajectory design in 3D horizontal well is established. The model is transformed into a nonlinear programming problem using fuzzy set theory, and the model is applied to the actual production of horizontal wells, and the satisfactory result is obtained .