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  • Analysis of Pore Permeability of Oil-Bearing Shale Assisted by NMR-Part 1
    NMR is sensitive to hydrogen-containing materials in porous media and is a non-destructive and effective method for characterizing the physical properties of rocks in oil-bearing reservoirs. Proton nuclear magnetic resonance information is mainly derived from the interaction between protons
  • Eliminating Oil Leaks by Optimizing Bearing Case Oil Labyrinths
    Many pieces of rotating equipment experience oil leaks.
  • Bearing Performance Improvement
    In high performance turbomachinery, the maximum bearing temperatures can be a crucial parameter. To increase the operational safety and performance, Miba developed the patent pending eddy groove technology. Miba eddy groove bearings develop significantly lower maximum oil film and bearing metal
  • Application of Ceramic Sliding Bearing
    The use of fluid floating and sliding bearing in high precision spindles has attracted wide attention in recent years. Because of the viscostic nature of lubricating oil causinghigh heat dissipation in high-speed rotation, thermal stability of friction pair and hence the adherent spindle becomes
  • No 6 Cement Mill Gearbox Input Pinion Bearing
    ' was on the Drive Motor Bearings. The Bearings had been leaking oil, so new sealing gland was fitted and the only gland packing available was Graphite based so this was used. It was agreed to purchase new bearings for the Input Shaft (24148 C the problematic axial bearing and 23052 C the gear load bearing
  • When Should Oil Be Used For Bearings?
    Bearing lubrication methods are typically provided by either an oil or grease. Each lubrication method has specific cases where its use is preferred. Sean P. Kelly, Field Applications Engineer for NMB Technologies Corporation says that Grease is preferred when longer life is desired. "This is due
  • Why Use Non-Contact Proximity Sensors on Large Sleeve Bearing Machines
    oil-lubricated sleeve bearings. These sleeve bearings have larger distance tolerances between the shaft and the bearing surface compared to roller element or ball bearings used in smaller machines ( <700 horsepower).
  • Analysis of Pore Permeability of Oil-Bearing Shale Assisted by NMR - Part 3
    The T2 spectrum of shale NMR is affected by the content of quartz and the number of dissolved holes. The T2 spectrum of shale under saturated kerosene is usually bimodal or multimodal, with micropores ( <100nm) peaks at 0.03-1ms, mesopores (100-1000nm) peaks at 1-20ms, and macropores ( > 1000nm).
  • Analysis of Pore Permeability of Oil-Bearing Shale Assisted by NMR - Part 2
    According to related studies, the three peaks of a typical T2 spectrum correspond to micropores, mesopores, and macropores, respectively. Shale contains a large number of mesopores, more micropores and a few macropores. In addition, the mesopores and macropores have good connectivity, which is
  • High-Speed Bearing Cooler
    Project Goal. Design a compact, low profile turbine oil cooling system for cooling high-speed bearings.
  • PROTECT YOUR INVESTMENT: Five factors to consider before making the switch to aftermarket oil
    in the oil, and. temperature. Compressor oil that is too thick may. cause compressor shaft seals to leak. Compressor oil. that is too thin cannot provide enough of an oil film to. support the loading of the bearings, reducing bearing. life. That's why it's beneficial to align oil viscosity to a. specific

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