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井井壁

井井壁

井井壁

井井壁

1

With the new three-dimensional FEM model, some research is done on the ERD wellbore stability under elastic and elastoplastic conditions .

利用所建模型对弹性和弹塑性条件下的大位移井井壁围岩稳定性进行了研究。

3

ERW Borehole Stability Evaluation of Xijiang Oilfield in South - China Sea

南海西江大位移井井壁稳定性评估研究

4

Reasons and Reinforced Handle for Subsidiary-well Wall Crack of Xinyi Coal Mine

新义煤矿副井井壁破裂原因分析及加固处理

5

wall ; design of side - wall ; existing problem; solution;

深冻结井；井壁设计；存在问题；对策；

6

The Three-Dimensional FEM Model for Directional Well Borehole Stability Analysis

定向井井壁稳定性三维有限元分析模型

7

Discussion on side - wall design of deep freezing wall

深冻结井井壁设计探讨

8

Study on Wall Pressure Distribution of Pipejacking Working Well

顶管工作井井壁压力分布研究

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