... annular pressure loss 古树名木; 环空泵压损失 annular pressure lost 环空压耗 pressure check 加压检查; 气压系统检查; 压力检验; 压制裂纹 ...
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... 环空体积 annular volume 环空压耗 annulus pressure loss 环空压力， 套压 annular pressure ...
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... a ormal formation pre ure 异常地层压力 a ular pre ure lost 环空压耗 abandonment pre ure 废弃压力 ...
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The annulus pressure-loss of slim-hole drilling is higher than general drilling due to its narrow annulus. During calculating pressure-loss, the effects of drilling pipe joints, drilling string rotation, eccentricity and borehole wall roughness must be considered.
小井眼的窄间隙几何特性决定了小井眼环空压耗大,钻柱偏心、钻柱旋转、钻具接头和井壁粗糙度等对环空压耗的影响有其特殊性,使得常规的水力参数优化设计方法不能完全适用。
参考来源 - 小井眼钻井水力参数设计·2,447,543篇论文数据，部分数据来源于NoteExpress
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