... pressure loss in pipe 管内压力亏损 pressure of mud column 泥浆柱压力 pressure loss in a freenular 环空压力亏损 ...
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During the drilling procedure, the mud filtrates continuously penetrate into the formation because of the unbalance between the mud column pressure in the borehole and formation pressure.
在钻井过程中，井筒泥浆柱压力和地层压力的不平衡使得泥浆滤液不断渗入地层。
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