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- borehole gravimetry 井中重力测量
- 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。
- borehole gravimeter 井下重力仪
- 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。
- It shows three different approaches to airborne gravimetry, namely scalar gravimetry, vector gravimetry and gravity gradiometry. 航空重力测量可分为航空标量重力测量、航空矢量重力测量和航空梯度重力测量。
- 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。
- Applications of airborne gravimetry in geodesy and geophysical exploration are illustrated with real examples. 对航空重力测量在大地测量和地球物理勘探中的应用作了归纳和概括，并举例说明了其应用效果。
- The practical application of formulae to the absolute gravimetry and refineding geoid are discussed. 此外，还讨论了如何将它们用于绝对重力测量和精化大地水准面的实际中。
- The design of the control system is based on the precision required in gravimetry. 根据测量精度的要求，对控制系统进行了设计。
- A 5000 seconds' flight and its correlative SINS/GPS data are emulated based on the theory of vector gravimetry. 基于矢量重力测量数学模型,仿真了一段5000s的飞行过程,模拟了其SINS/GPS数据。
- Finally, the Chinese airborne gravimetry system that has broke into success in 2002 is introduced briefly. 文中最后介绍了我国自行研制的航空重力测量系统的概况。
- 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)。
