Asphaltene deposit dispersant
A dispersant and asphaltene technology, applied in the field of asphaltene sediment dispersants, can solve the problems of limited dissolving ability of asphaltenes and change in dispersing effect, and achieve the effect of high dissolution rate and small dosage
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Embodiment 1
[0024] Weigh 0.05g of 2-nonylnaphthalenesulfonic acid and dissolve it evenly in 0.1g of n-pentane. Weigh 0.35g R1CH(R2)COCH 3 Dissolved in the above mixed solution to obtain asphaltene deposit dispersant. Weigh 10g of the asphaltene sediment from well TH10316 in Tahe, Xinjiang, mix it with the dissolving agent and dispersing agent evenly with magnetic stirring, and calculate the dissolution rate. The results are shown in Table 1.
Embodiment 2
[0026] Weigh 0.1 g of alkylnaphthalene with a molecular weight of 5000, and dissolve it in 0.5 g of cyclohexane evenly. Weigh 1.4g R1CH(R2)COCH 3 Dissolve in the above mixed solution to obtain asphaltene deposit dissolving agent dispersant. Weigh 10g of asphaltene deposits from Xinjiang Tahe TK614 heavy oil well, mix them with the dispersant evenly with magnetic stirring, and calculate the dissolution rate. The results are shown in Table 1.
Embodiment 3
[0028] Weigh 0.1g of polymethacrylate with a molecular weight of 2000, dissolve it evenly in 0.1g of straight-run kerosene, weigh 0.8g of R1CH(R2)COCH 3 Dissolve in the above mixed solution to obtain asphaltene deposit dissolving agent dispersant. Weigh 10g of the asphaltene sediment from well TH10316 in Tahe, Xinjiang, mix it with the dissolving agent and dispersing agent evenly with magnetic stirring, and calculate the dissolution rate. The results are shown in Table 1.
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