This paper studies and perfects the relevant well cleanout foam, oil reservoir treating fluids, foam generator, downhole well cleanout device and operation process.
介绍了一种针对低渗透油田普遍存在的井筒及近井地带堵塞的处理技术——低密度负压泡沫洗井解堵配套技术，利用低密度泡沫流体在负压条件下冲洗井筒，返排脏物，处理液解除近井地带有机和无机物造成的复合堵塞，研究和完善了相应的泡沫洗井液、油层处理液、泡沫发生器、井下洗井器和施工工艺。
In order to apply the foam fluid to the offshore oilfield,nitrogen foam injection system which consists of nitrogen preparation set,foam generator and automatic control system was designed and developed.
为了将泡沫流体应用于海上油田,研制和开发了由制氮机组、泡沫发生器和自动控制系统组成的适应于海上油田的氮气泡沫注入系统。
Velocity distribution,gas-liquid phase distributions,and pressure loss were gained through numerical simulations of flow field in jet and concentric tubing foam generators.
泡沫流体广泛应用于酸化、冲砂洗井、堵水等作业中,泡沫发生器的结构直接影响泡沫流体的质量以及应用效果。
For the design of easy-operated organic firming foam maker which can meets the demands of the coal mines,Laval Nozzle was simulated by computational fluid dynamics software firstly.
为了设计出既能满足井下使用要求,又操作简单的有机固化泡沫发生器,首先运用计算流体力学软件对拉伐尔喷管进行数值模拟,结果表明在入口速度为3m/s时,所形成的最大相对负压为-12。
air aspirator foam maker
吸入空气式泡沫发生器
variable-pattern water fog nozzle foam-maker
可变射流形式喷雾水枪泡沫发生器
hi-ex foam generator
高膨胀泡沫发生器灭火装置
high-expansion foam-generating equipment
高倍数泡沫发生装置
medium-expansion foam-generating equipment
中倍数泡沫发生装置
Fundamental research and design of mineral product the organic firming foam maker
矿用有机固化泡沫发泡器的理论研究与设计
Foam Asphalt Generating Device on Model ZBL2500 Cold Recycler
ZBL2500型冷再生机的泡沫沥青发生装置
chemical foamer and feed system
化学泡沫发生和喂给系统
And then economic bubbles might change into bubble economy in an extent.
虚拟资本的发展有可能产生经济泡沫。
To form foam or froth at the top.
起泡沫浮生或形成泡沫状之物
Advantages and Disadvantages of Installing Air Foam Generator at Top Part of Oil Tank
论在油罐顶部安装空气泡沫产生器的利与弊
Study on Ammonium Removal of Low Ammonium Concentration Wastewater by Bio-plastic Foam and Ceramic Reactor;
生物陶粒泡沫反应器处理低氨氮废水的研究
foam pump proportioner
等压式泡沫比例混合器
in-line inductor = venturi induction inductor
管线式泡沫比例混合器
foam type (stored pressure) extinguisher
泡沫（贮压式）灭火器
foam type (chemical) extinguisher
泡沫（化学式）灭火器
suction foam inductor
吸入式泡沫比例混合器
dry powder continuous foam fire extinguisher
连续式干粉泡沫灭火器