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- Borehole Unstability Theory of Shale and Its Research Progress 泥页岩地层井壁失稳理论研究及其进展
- borehole unstability 准噶尔盆地
- The main three types of wall unstability of borehole, sloughing, squeezing, and fracture, are pointed out during drilling deep well in Dagang oil field. 石油钻井的对象是地壳岩石,钻井过程中所面临的主要技术难题是岩石的可钻性和井壁稳定性。
- Otherwise, it's a team of risk and unstability. 否则带来的是无尽的风险和不稳定性。
- 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。
- Large-scale unemployment will bring on unstability of the society. 大规模的失业会导致社会不稳定。
- 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。
- Aitken accelerated method has the problem of numerical unstability . Aitken加速方法存在数值不稳定问题;
- 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。
- The higher transfer resistance and relative unstability are the shortcomings. 其主要缺点是膜的传质阻力较大和不稳定性等。
- 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。
- The large-scale unemployment will bring on the unstability of society. 大规模的失业会导致社会不稳定。
- 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。
- Negative reactions to powerlessness are emotional unstability, fear, anger, anxiety and depression. 个案无力感负情绪反应有情绪不稳、害怕、生气、焦虑和沮丧。
- Objective To explore the correlation between the unstability of carotid plaques and ischemic cerebrovascular diseases. 目的探讨颈动脉粥样硬化斑块不稳定性与缺血性脑血管病之间的关系。
- On concrete system designs, it has such defects as unspecific, irregularity, unstability and unharmony, etc. 在具体制度设计上，存在非具体性、非规范性、非稳定性和非协调性等缺陷。
- 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。
