【摘要】 为了研究泡沫钻进中泡沫流体压力损失的变化规律，建立室内模拟试验台。通过大量实验，得出结论。更多还原

【Abstract】 A simulating test system is established in laboratory to study the pressure loss of fluid in drilling process using foammud. Some conclusions are drawn on the basis of a large number of experiments.更多还原