sealing fluid

Study on the breakaway torque of magnetic fluid sealing at low temperature and large diameter

低温大直径磁性液体密封起动扭矩的研究

To plug the highly permeable and watered out zones in these production and injection wells, a perforation sealing fluid is developed and composed of a phenolic resin hardenable at 50& 90 ℃ in 11 hrs and mixed inorganic particles dispersed in water.

为了封堵采油井高渗透层和高含水层，研制了含有可在50～90℃下11h内固化的酚醛树脂和混合无机颗粒物的水分散液炮眼封堵剂。

Sealing Performance Analysis of Rubber O-ring for Fluid Sealing

流体密封橡胶圈密封性能分析

Magnetic fluid sealing technology is a brand new sealing technology for rotating shaft dynamic seal by using amorphism of magnetic fluid and its response characteristics to magnetic field.

磁流体密封技术是利用磁流体形态的无定形性和它对磁场的响应特性将其应用于旋转轴动密封的一种全新的密封技术。

Applying fluid mechanics theory, sealing ability of thread compound is researched by calculating the energy loss of thread passage at hand tight position and the sealing experiment at hand tight position.

应用流体力学理论，通过手紧位置螺纹通道流体能量损失的求解和手紧位置处的密封实验，研究了螺纹脂的密封能力。

To use drilling fluid resistivity curve can also check out borehole seal quality, water sealing up effect and borehole water table, figure out some hydrogeological problems.

利用井液电阻率曲线还可检查钻孔封孔质量、止水效果及确定钻孔水位，以解决一些钻孔及水文地质问题。