These results can be applied to the fast borehole correction and explanation of the abnormal borehole effect.
这些结果可用于实现快速井眼校正和井眼影响解释。
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。
The cave effect is the main factor which results in the abnormity of array induction logging responses when the borehole irregularity exits.
井洞影响是井径变化致使阵列感应测井响应曲线出现异常的主要原因。
It is proposed that according to statical cone penetration test, standard penetration test and borehole test, the reinforcement effect can be controlled and examined.
提出了通过静力触探试验、标准贯入试验和探井试验进行施工质量控制与加固效果检验的方法。
In smooth boreholes of constant diameter, the effect of the borehole is well understood and can be corrected for.
在井径不变、井壁光滑的井中测井,井眼影响容易校正。
Salt rock can make borehole close in the effect of creep, which often leads to stuck.
盐岩在应力作用下发生蠕变导致井眼闭合,常引起钻具卡钻事故。
The effect of a sharp change in the borehole diameter, such as that caused by a cave or rugose hole, on an induction log.
感应测井中,由于井径变化引起测量电阻率突然变大的现象。
The features and proportions of slurry and effect of borehole wall protection in different loose strata were mainly introduced.
重点介绍了松散地层不同地层泥浆特性、配比及护壁效果、措施。
The effect of gas discharging is limited by length , diameter of borehole in coal seam and high cost of laneway development.
上述方法存在的问题是钻孔法有效抽采孔段长度短、终孔孔径小、抽采效果差,巷道法施工工期长、费用昂贵、不利于瓦斯利用。
On borehole televiewer logs. An unusual effect produced on the cathode-ray tube display by erratic movement of the tool as it drags along the borehole.
井下声波电视测井图上的一种异常现象。在电缆提升的过程中,由于下井仪器在井中的不稳定运动,而在阴极射线管上显示出异常的一种效应。
The low density drilling fluid has borehole excavation effect on compensated neutron porosity logging, and by this way apparent porosity is lower than the true value.
低密度井眼流体会对补偿中子孔隙度测井产生井眼挖掘效应,使视孔隙度值低于真孔隙度,且井眼流体密度越小,井眼尺寸越大,地层孔隙度越大,井眼挖掘效应越明显。
Artificial isotope tracing technology in sole borehole is the effect means of research the mobile of groundwater. This paper adopt isotope technology in sole borehole to the study of karst water.
单孔人工同位素示踪技术是研究地下水运动的有效手段,本论文把单孔人工同位素示踪应用到岩溶水研究中。
Because of the weak borehole sealing and inadequate use of the initial free face, the higher investment and unsatisfactory blasting effect still exist in the mine tunnel excavation blasting.
由于炮孔堵塞不牢和初始自由面利用不充分,井下平巷的掘进开挖爆破仍存在投入大、爆破结果欠理想等问题。
Test shows that the blasting effect of cylinder cut of ms blasting in borehole is better than that of cylinder cut.
试验结果表明,孔内微差分段掏槽优于筒形掏糟。
Test shows that the blasting effect of cylinder cut of ms blasting in borehole is better than that of cylinder cut.
试验结果表明,孔内微差分段掏槽优于筒形掏糟。
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