The present applied calculation method is very complicated and low calculating accuracy, and this method can not determine the drilling hole position.

目前实际中采用的计算方法很繁杂，计算精度低，而且不能给出最优的钻孔位置。

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An approximate position of the Huaiyin-Xiangshui fault has been determined on the basis of an analysis of data of drilling and shallow seismic prospecting in the urban area of Huaian City.

通过分析淮安城区内钻探和浅层人工地震勘探资料，确定了淮阴-响水断裂的大致位置。

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It is believed that drilling failure is due to the high structural position of the drilled trap, strong denudation and poor oil and gas. preservation conditions.

研究认为钻探失利是所钻圈闭构造位置较高、剥蚀强烈、油气保存条件差所致。

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