System and method for testing sand carrying capacity of fracturing fluid
A capability test and fracturing fluid technology, applied in the field of fracturing, can solve problems such as equipment and instruments not matching, and achieve the effect of preventing heat loss, preventing injury, and ensuring pipeline safety
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[0036] The present invention will be described in detail below in conjunction with the drawings.
[0037] Such as figure 1 As shown, the gas of the first gas cylinder 1 and the second gas cylinder 2 passes through the first valve 3 and the second valve 4 respectively, and after being purified by the gas purifier 5, the flow is measured by the volumetric flow meter 6. Then through the refrigeration system 7, the carbon dioxide is refrigerated and liquefied and stored in liquid CO 2 In storage tank 8, after CO 2 The pump 13 is fed into the pipeline and mixed with the pre-configured additives of different proportions in the reagent tank 15 pumped into the pipeline by the reagent pump 14 from another branch, and then when the fluid is pressurized to a certain degree, it passes through the safety The valve 18 and the one-way valve 19 are heated appropriately by the preheater 20. By controlling the opening or closing of the sixth valve 22 and the seventh valve 25 or the eighth valve 26 ...
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