Adjustable-crack type temporary plugging acid fracturing steering performance testing device and evaluation method
作者： Fan Jinming , Song Zhifeng , Lu Wei , Mao Jincheng , Zhang Wenlong
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摘要: The invention discloses an adjustable-crack type temporary plugging acid fracturing steering performance testing device and evaluation method, belongs to the technical field of petrochemical industry. includes a water storage tank, plunger pump, liquid adjustable simulatedcrack device, filtrate metering electronic balance, computer control system which are sequentially connected. According simulated crack is in size form, parallel wedge-shaped 0.5-8mm can be simulated; both heated simulate formation temperature, effect law size, shape, temperature on studied. mainly evaluated by observing change upstream downstream pressure difference, filter loss, position bridge blinding.
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