Asphaltene deposit dispersant
A dispersant and asphaltene technology, which is applied in the field of asphaltene sediment dispersants, can solve the problems of limited asphaltene dissolving ability and changing dispersion effect, and achieve the effect of high dissolution rate and small dosage
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[0023] Example 1
[0024] Weigh out 0.05g of 2-nonylnaphthalenesulfonic acid and dissolve it uniformly in 0.1g of n-pentane. Weigh 0.35g R1CH(R2)COCH 3 Dissolve in the above mixed liquid to obtain an asphaltene deposit dispersant. Weigh 10 g of the asphaltene deposits from Well TH10316 in Tahe, Xinjiang, and mix them evenly with the dispersant and dispersant by magnetic stirring, and then calculate the dissolution rate. The results are shown in Table 1.
Example Embodiment
[0025] Example 2
[0026] Weigh 0.1 g of alkyl naphthalene with a molecular weight of 5000 and dissolve it uniformly in 0.5 g of cyclohexane. Weigh 1.4gR1CH(R2)COCH 3 Dissolve in the above mixed liquid to obtain an asphaltene deposit dissolving agent dispersant. Weigh 10 g of the asphaltene deposits from the Tahe TK614 heavy oil well in Xinjiang, and mix them evenly with the dispersant by magnetic stirring, and then calculate the dissolution rate. The results are shown in Table 1.
Example Embodiment
[0027] Example 3
[0028] Weigh 0.1g of polymethacrylate with a molecular weight of 2000, dissolve it in 0.1g of straight-run kerosene, and weigh 0.8g of R1CH(R2)COCH 3 Dissolve in the above mixed liquid to obtain an asphaltene deposit dissolving agent dispersant. Weigh 10 g of the asphaltene deposits from Well TH10316 in Tahe, Xinjiang, and mix them evenly with the dispersant and dispersant by magnetic stirring, and then calculate the dissolution rate. The results are shown in Table 1.
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