本文分析计算了石油钻井工程偏心环空中内管转动的螺旋流动。
In this paper the spiral velocity of eccentric annulus with inner pipe turned is analysed and computed.
水平井产能预测公式除了要考虑储层各向异性和井眼偏心距的影响因素外,还要考虑钻井和完井过程中产生的表皮系数的影响。
Horizontal well production forecasting formulas need to consider not only anisotropism and borehole eccentricity, but also the skin factor during drilling and completion process.
水平井产能预测公式除了要考虑储层各向异性和井眼偏心距的影响因素外,还要考虑钻井和完井过程中产生的表皮系数的影响。
Horizontal well production forecasting formulas need to consider not only anisotropism and borehole eccentricity, but also the skin factor during drilling and completion process.
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