Study on the Design of Optimal Horizontal Section Length of Horizontal Wells
Yueting Hu

Abstract
The paper presents an example of the horizontal wellbore length design through the application of a modified optimal design method. Two different models were developed to tackle the issues of distinct cases through application of the method. In the course of analyzing the models, a qualitative conclusion could be reached that the optimal length of horizontal wells drilled together with vertical wells are always longer than that of horizontal wells only which are being drilled.

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