...气藏 气体 欠平衡 保护 储集层 长庆气田 [gap=972]Keywords : Drilling, Low permeability pool, Gas, Underbalance, Sidewall stabilization, Protection, Reservoir ..
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Underbalance jet pump drilling method 发明名称
underbalance pulse 负压脉冲
Underbalance logging 欠平衡带压测井
underbalance design 负压设计
underbalance effect 负压效应
So choosing correct underbalance pressure differential is key factor for underbalance perforation design.
选取合适的负压值是负压设计的关键。
While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.
国内欠平衡钻井普遍实施，要用到的旋转防喷器是关键设备，技术含量高。
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