1) drilled strata
所钻地层
2) drilling strata
钻遇地层
1.
Using logging data to evaluate the drilling strata compositely;
用测井信息综合评价钻遇地层
4) easy-to-drill formation
易钻地层
5) bore strata histogram
钻孔地层柱钻图
6) formation drillability
地层可钻性
1.
A novel method for predicting formation drillability;
地层可钻性级值预测新方法
2.
The traditional method using surface fitting or interpolation to plot formation drillability plane is complex,and the accuracy cannot be guaranteed if some parameters cannot be selected properly.
采用常规曲面拟合或插值方法绘制区域地层可钻性剖面的过程相当复杂,且若多项式选择不当,计算精度往往得不到保证,很难满足实际需要。
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条