1) effective drilling force
有效钻力
1.
The formula of the effective drilling force is given accordingly.
考虑到钻头与地层相互作用,通过四种坐标系的转换,对地层和钻头的各向异性特性进行了综合分析研究,给出了相应的有效钻力的计算公式,其结果有助于建立更加合理的井眼轨迹预测模型。
3) effective drilling catching rate
有效钻遇率
1.
The guiding function of mud logging for increasing effective drilling catching rate in reservoirs of horizontal wells
录井对提高水平井储集层有效钻遇率的导向作用
4) effevtiveness
n.有效，有力
5) effective stress
有效应力
1.
Relation between effective stress and swelling stress of coal body;
煤体有效应力与膨胀应力之间关系的分析
2.
Effect of effective stress on fractured low-permeability sandstone reservoir pressure response;
有效应力对裂缝型低渗透砂岩油藏压力响应的影响
3.
Effects of soil layer construction on liquefaction of sandy soil by means of effective stress analysis method;
地层结构对砂土液化影响的有效应力动力分析
6) effective axial force
有效轴力
1.
One part is the pressure which equals liquid column pressure applied on drill string section at the same depth, the other part is the effective axial force which equals effective bending axial force of drill string.
本文将钻柱真实轴力分解成两部分,一部分为压力,它与作用于钻柱截面同等深度的液柱压力相等;另一部分为有效轴力,它等于钻柱的有效弯曲轴力。
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