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- hydrogeological borehole 水文孔
- To use drilling fluid resistivity curve can also check out borehole seal quality,water sealing up effect and borehole water table,figure out some hydrogeological problems. 利用井液电阻率曲线还可检查钻孔封孔质量、止水效果及确定钻孔水位,以解决一些钻孔及水文地质问题。
- Project Geotechnical and Hydrogeological Engineer? 工程地质和水文地质项目工程师?
- Water inrush prediction is an important mine hydrogeological work. 突水预报是一项重要的矿井水文地质工作。
- The quality of borehole directly influences the effect of blasting. 钻孔质量的好坏,直接关系到爆破效果的优劣。
- Borehole fluid holdup defines what type of reinvasion occurs. 井内流体持率决定发生二次侵入的类型。
- A borehole image of rock layers indicating an underground point bar. 指示某地下曲流沙坝的一幅岩层钻孔图像。
- Borehole magnetic technique has been widely used in geology and CCSD. 井中磁测技术在地质、大陆钻探等方面都有广泛的应用。
- A new method for measuring the borehole water holdup is given in this paper. 论述了一种新型的油井持水率测定方法。
- Borehole hydromining is a kind of safe and efficient new mining method . 钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。
- The acoustoelectric effect of rock is investigated with experimental method in model borehole. 在模型井中对岩石的声电效应进行了实验研究。
- Orientation is very important for a seismometer, whether it is installed on surface or in borehole. 摘要无论地震计在地表或是井下使用，都必须精确定向。
- In modern logging several different kinds of measurements are taken simultaneously in a borehole. 现代测井操作在一个钻孔中同时进行多种不同的测量。
- The priority is on keeping the exposed rock formation in the borehole stable while avoiding the loss of drilling fluid. 此时的重点是要保持钻孔中裸露岩层的稳定,同时还要避免钻井液流失。
- Point bars modeled in a North Texas gas field on the basis of borehole and seismic images. 根据钻孔和地震图像建立的德克萨斯州北部某气田中的曲流沙坝模型。
- At the bottom of a deep well, the borehole might be 8 inches (20 centimeters) in diameter. 在深井的底部,钻孔的直径可达8英寸(20厘米)。
- And returns to the surface in the space between the drill pipe and the wall of the borehole. 然后通过钻杆和钻孔壁之间的间隙返回至地表。
- Being a deformation measurement with high resolution, borehole tiltmeters should be installed far away from disturbance sources as far as possible. 摘要作为一种高精度的形变观测，钻孔倾斜观测点必须尽可能避开干扰源。
- 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 must be drilled at correct place, and the gas pressure will be relieved. 没有卸不了压的瓦斯，只有打不到位的钻孔。
