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本文根据卫城油田构造演化史及其形成过程，建立了地质模型和数学模型，并以此研究了该地区沙Ｓ４３层的构造应力和现代地应力，划分出易造成套损的危险区，提出了套损防治的建议。
According to the tectonic evolution history and formation process of the Shengcheng Oilfield, a geological model and a mathematical model are established. Based on this, the tectonic stress and the modern geostress of the S43 layer in the area are studied, The proposal of casing damage prevention.