FIELD: oil and gas industry.
SUBSTANCE: method for regeneration of propping agent mudded with oil and chemicals at respective equipment, including roasting of propping agent at temperature of 350-500°C with subsequent cooling up to 30-35°C and washing by a mix of benzene and toluene in successive rations of 1:1, 1:2, 1:3, 3:1, 2:1 and then by aqua-alcoholic solution with alcohol content of 45-50%, drying at temperature of 70-95°C with subsequent cooling up to 30-35°C and fractioning.
EFFECT: simplification of method, improvement of efficiency, cost reduction.
1 tbl
| Title | Year | Author | Number |
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| METHOD OF PRODUCING MAGNESIUM-SILICATE PROPPANT WITH A POLYMER COATING AND MAGNESIUM-SILICATE PROPPANT | 2018 |
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| METHOD FOR OBTAINING PROPPANT | 2021 |
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RU2783399C1 |
| MIXTURE FOR PRODUCING PROPPANT AND PROPPANT | 2018 |
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RU2702800C2 |
