Equipped with suitable derrick and well controlled device in drilling a shallow gas well water drills proved to be able to reduce shallow gas well drilling cost.
通过某浅层气井的施工实例，阐述了水井钻机安装合适的钻塔底座和并控装置，可降低浅层气井建井成本。
The results show that the mineralization anomalies controlled by multiple factors are in accord with what drilling has revealed.
研究结果表明，由多因素决定的矿化异常与实际工程验证结果吻合。
Equipped with suitable Derrick and well controlled device in drilling a shallow gas well, water drills proved to be able to reduce shallow gas well drilling cost.
通过某浅层气井的施工实例，阐述了水井钻机安装合适的钻塔底座和并控装置，可降低浅层气井建井成本。
Hydraulic control valve and transducer connected to the host computer through a wireless network. The drilling parameter of test equipment could be monitored and controlled automatically by computer.
并且也将液压控制阀和变频器通过无线网络与电脑主机相连，达到了无线检测与控制钻进参数的目的。
In blasting project, the workload of drilling-and-charging must be reduced and the flying rocks controlled but a very complex environment, to avoid the damage of the piers by falling arch beams.
本次爆破不仅环境复杂，而且要减少钻爆工作量、控制飞石，防止曲拱梁塌落时对桥墩造成损伤。
The causes of gas explosion were analyzed. The suggestion that the gas disaster in coal mine be controlled by drilling engineering with technology advancement was put forward.
分析了煤矿瓦斯爆炸事故产生的原因，提出了依靠科技进步，利用钻探工程技术治理煤矿瓦斯灾害，有针对性地提出了治理瓦斯事故的建议。
Drilling cuttings dispersion is controlled and the penetration rate is improved because of the better performance of the solid control equipment.
能抑制钻屑分散，有利于发挥固控设备效率和提高钻井速度；
The drilling is performed by automated drilling machines with placement controlled by a drill tape or drill file.
该机由自动打孔机和位置控制或磁带演练演练文件。
During drilling operation, the track in horizontal interval is controlled and the hang sidetrack drilling technology is successfully used.
在钻井施工中精确控制了水平段轨迹，应用了悬空侧钻技术。
During drilling operation, the track in horizontal interval is controlled and the hang sidetrack drilling technology is successfully used.
在钻井施工中精确控制了水平段轨迹，应用了悬空侧钻技术。
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