现场应用结果表明，该井井眼稳定，井径扩大率很小，有效地解决了井眼失稳问题。
The wellbore is effectively protected from sloughing with small enlargement rate because of applying these techniques.
试验井三叠系、石炭系平均井径扩大率小于6%，完井电测及下套管固井等作业顺利。
Hole enlargement through the Tertiary system and the Carboniferous system in test Wells are less than 6%, therefore, got a successful completion logging and running casing strings.
基于弹性力学理论及岩石摩尔-库仑强度破坏准则，提出了欠平衡钻井条件下井径扩大率的预测方法。
Based on the theory of elasticity and molar-Coulomb strength failure criterion, we proposed the prediction method for hole enlargement ratio in the condition of underbalanced drilling.
图像数据扩大部分(04c)以所述缩小率倒数的扩大率，将所述空间滤波处理部分(04b)所处理的经处理的图像数据进行扩大。
An image data expansion part (04c) expands the processed image data processed by the spatial filter processing part (04b) at an expansion rate inverse of the reduction rate.
图像数据扩大部分(04c)以所述缩小率倒数的扩大率，将所述空间滤波处理部分(04b)所处理的经处理的图像数据进行扩大。
An image data expansion part (04c) expands the processed image data processed by the spatial filter processing part (04b) at an expansion rate inverse of the reduction rate.
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