underbalance信息详情
n.欠平衡
underbrush hook───矮树钩
underbrush ii───灌木丛ii
underbrush clearing equipment───灌丛清理设备
thunderbolt software───霹雳软件
blunderbuss gun───钝头炮
underbrush clearing───灌木丛清理
blunderbuss pistol───钝器手枪
underbrush def───灌木丛def
underbrush saw───矮树锯
thunderbolt elementary───霹雳小学
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。
Breakthrough in Application of Underbalance Drilling and Completion Technology for Natural Gas Exploration in Sichuan Basin───欠平衡钻井完井技术在四川天然气勘探新领域的突破
Minimum Underbalance for Perforating-well Testing Operation in Lower Permeability Reservoir───低渗透地层射孔测试联作的最小测试压差
New Application of Underbalance Effect to Oilfield───负压效应在油田中的新应用
Study and Application Statues of Low Density Underbalance Drilling Fluid in China───中国低密度欠平衡钻井液研究应用现状
This paper put forward a new parameter detection and undervoltage control system in underbalance drilling on the basis of wireless communication and process control theory.
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