During drilling horizontal well, usually adopt geometry steerable drilling technology to increase the penetration rate of borehole track in oil reservoir.
在水平井钻井中，通常采用地质导向钻井技术来提高井眼轨迹在油层中的穿透率。
Introduced are the tool's synthetic digital signal processing technology, borehole environment correction and log experiments, etc.
介绍了该成像仪器的数字合成聚焦技术、井眼环境校正技术和测井试验等。
So in such a formation construction, it is important to use the technology of drilling mud back to tank to balance the pressure of the loose layer and prevent the borehole collapse.
所以在这种地层中施工，利用泥浆回灌钻孔技术有效地平衡松散层压力不使其垮塌尤为重要。
Drilling technology parameter and rational combination of drilling tools is a key for controlling the borehole track controlling.
钻井工艺参数及合理的钻具组合对井眼轨迹的控制至关重要。
In order to appraise the quality testing of grout curtain, digital borehole camera technology is applied to three boreholes of the grouting gallery no. 3 in Xiaolangdi Water Control Project.
为了评价帷幕灌浆效果，将数字钻孔摄像技术应用到小浪底水利枢纽3号灌浆洞3个灌浆质量检查孔中。
The technology of monitoring well bottom while drilling has high precision, which can control borehole pressure more precise, but also the scope of the pressure gradient is well established.
井下随钻流量监测技术具有很高的监测精度，能够对井眼压力进行更加精细的控制，还能够对压力梯度范围很好的确定。
When drilling in frozen rock, the temperature in borehole is one of the main factors influencing drilling technology.
钻孔温度特性是影响多年冻结岩石钻进工艺的主要因素之一。
The paper detailed the technical specification, equipment, construction technology and technical measures of enlarging borehole in shaft for coalbed methane with field cases.
通过工程实例，介绍了煤层气掏穴井施工的目的、技术要求、设备机具、施工工艺，以及掏穴作业和技术措施。
There are the bigger differences between slim hole drilling technology and routine borehole drilling technology. Improving of slim hole drilling speed is of an important actual significance.
小井眼与常规井眼的钻井工艺有较大差异，提高小井眼钻井速度有很大的实际意义。
Taking two of projects as examples, the paper discussed the technology of large diameter borehole blasting applied in the excavation of footing groove in city.
以两个工程为例，介绍了在城镇基坑开挖工程中采用了大孔径深孔爆破技术。
Besides, elaborate technology economy compare about the technics and technology of mining coal bed methane by drilling borehole down and cross the seam is carried out.
此外，本文还对顺层钻孔和穿层钻孔抽采煤层气的工艺技术进行了详尽的技术经济比较。
It is necessary to depend on the control technology of borehole trajectory to drill the extended-reach well successfully. A closed-loop adjustable stabilizer at downhole is developed.
钻成大位移井必须依靠井眼轨迹控制技术，研制的井下闭环可变径稳定器是实现该项技术的关键。
It introduces one kind of new technology — "ladder" -like sealing off a borehole by slipping casting.
提出了一种针对深钻孔的注浆封孔新方法——“阶梯”式注浆封孔方法。
The paper introduced the excavation features, blasting method and parameters, construction technology and organization of the shallow borehole smooth blasting technology in clay and rock roadway.
介绍了浅孔光爆技术在黏土岩中的掘进特点、爆破方法及参数、施工工艺及组织。
There are the bigger differences between slim hole drilling technology and routine borehole drilling technology.
小井眼与常规井眼的钻井工艺有较大差异，提高小井眼钻井速度有很大的实际意义。
The paper discussed common problems of pipe roof support engineering in soft ground and presented the optimization technology by tests on borehole construction methods with existing equipments.
在软弱土层管棚支护工程中，利用现有设备试验了多种成孔方法，优选出最佳成孔法，加快了工程进度。
This paper briefs the long borehole directional drilling technology, selection of typical equipment, process, measuring system and application in coalmines.
本文介绍深孔定向钻进技术的原理、典型的设备选择、工艺、测量系统以及该技术在煤矿工程中的应用。
The rotary percussion drilling technology have the advantage to raise the hard rock well drilling speed effectively, prevent the borehole deviation in the hard rock or the complicated geologic strata.
旋转冲击钻井技术依靠冲击器产生冲击载荷并作用在钻头上来破碎岩石。该技术能够有效提高硬地层钻井速度，能够防止硬地层及复杂地层钻井中的井斜问题。
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。
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。
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