Wheel must be used with safety guards. The actual rotational axis of the wheel and its axis of rotation through the center of mass deviation from parallel state called static unbalance wheel. This is usually due wheel uneven density, both ends of the hole and the surface is not parallel or coaxial cylindrical deviation has caused.
2013年10月16日星期三
Research abrasive jet cutting seam technology on the permeability change impact surrounding wells
Abrasive jet slotting well stimulation technique is the use of two-phase jet abrasive mechanism developed for improved oil recovery in an oil field technology. This article from the seepage - stress coupling based theory, a more comprehensive study on the abrasive jet cutting seam technology surrounding wells permeability
cutting tools analysis slotted the impact on oil production situation. Application of rock, the effective stress and pore pressure, confining pressure and rock properties
Abrasive grinding slotted through the rock around the well after the stress and permeability variation
synthetic diamond and analysis, interpretation of the abrasive jet cutting seam technology to increase production wells the basic principle is the rock around the well after slotting the effective stress reduction and increased permeability of the results;
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