High temperature and high pressure coal rock supercritical carbon dioxide fracturing-creep deformation-seepage experimental method
A carbon dioxide, high temperature and high pressure technology, applied in permeability/surface area analysis, measurement device, suspension and porous material analysis, etc., can solve problems such as difficult gas permeability, difficult, difficult to overcome permeability and so on
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[0056] Implementation method: Coal rock supercritical carbon dioxide fracturing-creep-seepage test device under high temperature and high pressure, which is characterized in that the device can load high stress and high temperature conditions on coal rock samples, and the size of coal rock samples can be Ф50×100mm , the axial pressure and confining pressure of the coal rock sample can reach 70MPa, and the temperature of the coal rock sample can reach 300°C, which can simulate the geological environment where the mineral burial depth reaches 2500m.
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