This paper introduces the method of determining overburden pressure by using density logging data.
介绍了利用密度测井资料求取上覆岩层压力梯度的方法和步骤,并提出了一种更合理的拟合方程对上覆岩层压力梯度曲线进行拟合,以期获得更加合理的外推数据。
There are certain relations among overburden pressure,underlying fluid pressure and matrix stress,and different understandings of how to describe or depict them in the end.
上覆岩层压力与下伏岩层中的流体压力以及岩石骨架应力之间,存在着一定的关系。
This paper aims at the question that the carbonate fonnation pressure is relatively difficult to predict, proposes estimating formation fracture pressure new method in carbonate profile by using pseudo overburden pressure method, discusses how to establish pseudo overburden pressure model in carbonate profile, and determine the parameter of model .
本文针对碳酸盐岩地层破裂压力预测相对较难这一问题,提出了一种利用视上覆岩层压力来估算地层自然破裂压力的新方法,重点讨论了在碳酸盐岩剖面中如何构建视上覆岩层压力模型,以及利用漏失测试资料和密度测井曲线确定模型参数的问題。
Combined with the application of the equipment in Wugou coal mine,it introduces the setting and application process of LBY-Ⅲ instrument of roof separation,and points out that the equipment can make the progressive early prediction to the separation of rock stratum.
分析了LBY-Ⅲ型顶板离层指示仪的机构特点和仪器的技术指标,结合该仪器在五沟煤矿中的应用,详细地介绍了LBY-Ⅲ型顶板离层指示仪的安装应用过程,指出了该仪器能为岩层的分离提供渐进式的早期预报,具有显著的经济效益和社会效益。
Based on the site situation of interrupting work of bored piles during the construction of Maoliger Large Bridge in Hohhot-Hailar Corridor,Inner Mongolia,such as the collapse of boring wall,interrupting piles,on large side of the coefficient of borehole reaming,the rock stratum being stiff,etc.
针对内蒙古茂力格尔大桥基础钻孔桩施工过程中容易出现的坍塌断柱、扩孔系数偏大、岩层硬等实际情况,采取相应的质量保证措施,确保大桥钻孔桩的工程质量。
The cracking phenomenon of the vast underground rock stratum that has been accumulated for long years due to earghquakes is basically similar to the cracking process of the focus of an seism or a rock specimen.
：范围宽广的地下岩层在漫长的岁月里因地震而积累的破裂景观，和一震源体的及一块岩样的破裂过程基本相同。