Relationship between the sealing performance of nanometer magnetic fluid and magnetic pole parameters 纳米磁性流体密封性能与磁极参数关系的研究
Study on sealing performance of micro-nano magnetic fluid for the stirring shaft of pressured reaction axe with high-speed and large length to diameter ratio 高速大长径比压力反应釜搅拌轴微纳米磁性流体密封性能
Mass Spectrometer Leak Detection of Vacuum Dynamic Sealing with Magnetic Fluid 磁流体真空动密封的质谱检漏
Study of the Sealing Material for High-Water-Based Fluid Dynamic Systems 高水基流体传动与控制系统密封材料研究
Study on Sealing Mechanism of Fluid in Boreholes and Analysis of Its Influence Factors 钻孔的流体密封机理及其影响因素分析
Relative Velocity Effect on Interface Stability of Sealing Liquid with Magnetic Fluid 相对速度对磁流体液体动密封中界面稳定性的影响
The novel sealing fluid while drilling was developed and the field trial was conducted in the well of Bin 4-10-10.The effects of leak protection and sealing were perfect. The combined target of leak protection and sealing while drilling achieves and faster and safe penetration could be guaranteed. 研制开发出了新型随钻堵漏钻井液,并在滨4-10-10井进行现场试验,取得了良好的防漏和堵漏效果,实现了边钻进边防漏边堵漏的综合堵漏措施,达到了快速安全钻进的目的。
The Study of Sealing Liquid with Magnetic Fluid 磁流体用于旋转轴液体密封的研究
A new kind of experimental rig to study the sealing ability of a rotating magnetic fluid sealing was designed and constructed, which assures a high magnetic source by effectively keeping the magnetic flux from leaking, and so that with high precision to the experiments. 本文设计加工了一套全新的磁流体旋转密封实验装置,能保证高性能磁源和有效防止漏磁,具有较高的实验精度。
Both the main hole and the branch are cemented, and then squeeze sealing fluid at the window, thus more reliable hydraulic seal can be achieved at the junction of main hole with branch hole. 主、分支井眼均采用注水泥固井技术,在窗口挤入密封液,保证了主、支井眼连接处有较为可靠的液压密封性;
This paper introduces developments and field applications of a synthetic sealing fluid. 介绍了合成基密闭液的室内研制与现场应用情况。
A new type zero leaking sealing TECHNOLOGY-MAGNETIC fluid sealing 一种新型零泄漏磁性流体密封技术
Preparation of Vegetable Oil/ Natural Plant Resin Sealing Fluid for Coring 植物油/树脂取心密闭液的研制
Sealing technique of three phase foaming fluid and its application 3相泡沫流体密封技术及其应用
This article introduces a magnetic coupler used as the sealing unit on the drill fluid dynamic testing meter, describes its structure and operating principle, and discusses the calculation of driving torque and the selection of material for high-pressure metallic bushings. 简要地介绍磁力驱动密封装置的结构、工作原理、传动力矩计算及高压金属隔套选材要求。
In practical uses the influences of a sealing fluid on drilling mud properties diminish soon after starting circulation. 在实际应用中,取心密闭液对钻井液性能的影响可随钻井液的循环迅速消失。
Finite element analysis of the sealing capability of nanometer magnetic fluid seal 纳米磁性流体密封性能的有限元分析
Research on Static Sealing by Ferric Nitride Magnetic Fluid 氮化铁磁性流体密封研究
Sealing Fluid WHC-3 for Coring Operation in Deep Well 深井取心密闭液WHC-3的研究
Application of ZY-1 Water Based Sealing Fluid ZY&1型水基密闭液及其应用
Study on Sealing Characteristics of Oil based Drilling Fluid and Its Application 油基钻井液的封堵性能研究与应用
New lubricating ways and sealing theroy of high water based fluid in hydraulic transmission systems are also studied and proved by the use of composite rheological sealing material. 针对高水基流体动力系统的特殊性,探讨了在高水基流体动力系统往复运动副动密封中新的润滑手段与密封理论,并应用流变复合密封材料使这一问题得到成功地解决。
The syn-thetic-based sealing fluid is a new type of sealing fluid, and the continuous phase of which is an organic ester with a plasticizing resin serving as the main film-forming material. 合成基密闭液是一种以有机酯为连续相,以增塑树脂为主要成膜材料的新型密闭液。
The research proved that the sealing technique of triphase foamy fluid is a new technology which will have vast practical prospects. 研究工作表明,三相泡沫封孔技术是一项具有广泛实用前景的新技术。
Precision and practicability of the new evaluation method were verified because its results were the same as the field result with the synthetic sealing fluid. 通过合成基密闭液现场应用结果与新评价方法的结果相一致,验证了新评价方法的正确性和实用性。
Bore-hole instability in shale formations and the inhibitor+ sealing/ plugging agent fluid system used; 硬脆性泥页岩地层井壁稳定及钻井液体系(抑制剂+封堵剂);
The composition, property of sealing fluid WHC-3 is presented. 确定了深井取心密闭液WHC-3的配方,并进行性能评价。
Based on surface physics-chemistry, mechanics of sealing materials and osmotic fluid mechanics, a new sealing technique-threephase foaming fluid was developed in laboratory. 应用表面物理化学、密封材料学、渗流力学等理论,在实验基础上研究了一种新型流体密封技术&3相泡沫流体密封技术。
In the paper there are also a design for ampoule sealing based on theories of fluid sealing and analysis of performances of this sealing. 并根据流体动密封理论对安瓿瓶密封进行设计,采用有限元软件分析设计密封的各种性能。