This paper describes traveltime and amplitude image characteristics of borehole ultrasonic imaging , and gives an application example in hong kong area .
阐述了钻孔超声成像的走时和振幅图像特征,给出了1个在香港地区的应用实例。
The borehole influences this difference if the tool is tilted or if there is a cave opposite one of the receivers .
当仪器倾斜或其中一个接收器正对着一个洞穴时,井眼将影响这种差异。
The response is also determined at different porosities and in sandstones , dolomites and other borehole environments .
还要确定不同孔隙度和砂岩、白云岩以及其它井眼环境的响应。
Theoretic studies on the shortest'quiet'distance between borehole strain observatory site and surficial mechanical disturbance sources .
钻孔应变观测点到地面载荷干扰源最小“安静”距离的理论分析。
And pack this borehole ?
然后炸开它吗?
Three-dimensional fem model for erd borehole stability analysis .
大位移井井壁稳定分析三维有限元模型。
Calculated horizontal displacement for goaf drainage borehole .
地表瓦斯抽放钻孔水平位移计算。
Mr singh cannot afford to pay for a borehole , generator and diesel to reach ever-diminishing groundwater .