Use of foam fluid for under balance drilling is a...
利用泡沫流体进行欠平衡钻井，是一种较安全的钻井技术。
Foaming and foam stabilization are significant to foam fluid.
起泡与稳泡是泡沫流体的重要特性。
The foam fluid plays an important role in reservoir acidification.
泡沫流体在储层酸化中起着重要作用。
With the particular advantages foam fluid drilling has been the important proportion of underbalanced drilling.
由于其独特的优势，泡沫流体钻井已成为欠平衡钻井系列技术中的重要组成部分。
The application of foam fluid in drilling, well completion and production in China oil fields in recent years is summarized.
对近几年来我国油田在钻井、完井和采油方面应用泡沫流体的情况作了综述。
And the study should be carried out to reduce the influence of Nitrogen foam fluid to pipeline by increasing the fluid stability.
应开展通过增加泡沫液稳定性缓解或降低泡沫液对海管的影响方面的研究。
Foam fluid is widely used in sand-flushing operations in oilfields, while the prop-carrying capability of foam fluid is very important.
泡沫流体广泛应用于油井的冲砂洗井作业中，携砂能力是衡量其性能的一项重要指标。
The experiment is conducted to test the flowing characteristics of the foam fluid in porous media injected by the long slim tube model.
通过长细管模型进行了注入泡沫流体在孔隙介质中的流动试验。
The result shows two-phase fluid before shock wave is in the state of foam fluid and the exit discharge pressure reaches maximum when two-phase fl…
结果表明，汽液两相流在凝结激波前为泡沫流，在凝结激波后完全凝结成单相水的情况下，升压装置的出口压力达到最大值。
Because the temperature and pressure are various in different well depth, and the foam fluid rheology change with well depth, it is difficult to determine the foam fluid rheology during drilling.
石油钻井过程中，由于井内温度、压力随井深不断地变化，在不同的井深处泡沫流体的流变性会发生明显的变化，给确定泡沫流变性带来了一定的困难。
Objective To explore clinic value of foam test of amniotic fluid in high risk pregnancy of obstetrical department.
目的探讨羊水泡沫试验对胎儿肺成熟度预测的临床应用价值。
Especially, this model can also explain the yield stress and wall slip phenomena for foam fracturing fluid.
更为主要的是该模型还可以用于解释泡沫压裂液的屈服应力和壁面滑移现象。
The fluid, usually oil, water, foam, or gelled fluid that transports the proppants during hydraulic fracturing. The fluid that transports gravel during gravel packing is also called carrying fluid.
在水力压裂期间输送支撑剂的流体，通常为油、水、泡沫或稠化液。在砾石充填期间输送砾石的流体也称为携带液。
Foam gel system is a pseudoplastic fluid and its viscoelasticity is good.
泡沫凝胶体系属于假塑性流体且粘弹性好。
The distributions of velocity and temperature of fluid inside the tube fitted with the porous metal foam were more uniform than that of the blank tube.
在恒定热流密度条件下，对单相流体分别强制轴向层流流经多孔泡沫金属换热器管内、外的流动和对流传热的均匀性进行了分析。
The paper introduces the research results how to affect the all kinds property of foam fracturing fluid effect after low molecular organic alcohol was joined into the foam fracturing fluid.
文章介绍了在泡沫压裂液中加入低分子有机醇对压裂液各项性能影响的试验研究结果。
Conclusion The foam test of amniotic fluid is simple and easy. It's forecast value in the fetus'lung maturation can replace L/S rate.
结论羊水泡沫试验简便易行，其预报胎儿肺成熟的价值能够代替L/S比值测定。
Practice and results show that the gas survey method with a gas-collecting tank for foam drill fluid samples is another effective method.
实践和资料说明，罐装泡沫样聚气录井方法是泡沫钻井中气测录井的另一种行之有效的方法。
Foam acidizing is used on carbonate reservoirs, because it is more retarded and has better fluid-loss control than normal acid.
泡沫酸化用于碳酸盐储层，因为它与正常酸相比反应速度较慢而且防滤失性能较好。
The rheology mechanism of foam fracturing fluid was studied by Eulerian-Eulerian two-phase fluid method with the gas phase being treated as 'granular'.
从两相流的角度出发，将泡沫压裂液的气相处理成气泡相并建立两相欧拉颗粒流模型来研究泡沫压裂液的流变性。
The bladder includes a sealed outer barrier, a foam tensile member, and a fluid.
囊包括密封的外屏障物、泡沫拉伸构件和流体。
The bladder includes a sealed outer barrier, a foam tensile member, and a fluid.
囊包括密封的外屏障物、泡沫拉伸构件和流体。
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