downhole hammer casing drilling method 潜孔锤偏心跟管钻进法
This prediction method can be used as one of the auxiliary measures used for preventing downhole accidents while drilling.
这种预测方法可以作为钻井时防止井下事故的辅助手段之一。
A method of performing platform stabilization control was described by using the downhole turbine generator as the initiator of force moment and by adjusting its electromagnetic moment.
介绍和分析了一种用井下涡轮发电机作为力矩发生器,通过调节其电磁力矩的方法来实现稳定平台控制的方法。
Through analysis of the field scale samples in Wuqi oilfield by X-ray diffraction method, scaling causes and scale control measures are studied in downhole and gathering system.
采用X -射线衍射方法分析了吴旗油田现场垢样成分,进而研究了吴旗油田井下及集输系统结垢原因和防垢措施。
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