formation seepporting hydrostatic pressure gradient
     
    
    ...最大载荷套管强度设计 maximum load casing design 地层支撑液柱压力梯度 formation seepporting hydrostatic pressure gradient 漏失面深度 fluid level after lost circulation 有效抗挤强度及有效抗内压强度 effective collapse strength and burst strengt...
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