Experimental study of reaction rate constants of carbonate rocks in acid fracturing fluids

Authors: R.R. Ibatullin, V.G. Salimov, A.V. Nasybullin, O.V. Salimov (TatNIPIneft)

Key words: hydrofracturing, carbonate rocks, acid fluid, rotating disk, reaction kinetics.

Methods of kinetic parameters calculation using data from rotating disc have been analyzed. It has been shown that to calculate a rate constant and an order of reaction in surface kinetics region, optimization methods shall be used. Rate coefficients and orders of reaction of Tatarstan carbonate rocks dissolution in acid fracturing fluids under high frac pressure have been determined.

References

1. Salimov V.G. , Ibatullin R.R. , Nasybullin A.V. et al., Neftyanoe khozyaystvo – Oil Industry, 2013, no. 1, pp. 68-71.

2. Pleskov Yu.V., Filinovskiy V.Yu., Vrashchayushchiysya diskovyy elektrod (The rotating disk electrode), Moscow: Nauka Publ., 1972, 343 p.

3. Kasha P., Proceedings of the Scientific and Practical Conference “Effektivnye puti poiskov, razvedki i razrabotki zalezhey nefti Belarusi” (Effective ways of prospecting, exploration and development of oil deposits in Belarus), Belarus, Gomel': Publ. of RUP PO “Belorusneft'”, 2007, pp. 581-588.

4. Levich V.G., Fiziko-khimicheskaya gidrodinamika (Physical and chemical hydrodynamics), Moscow: Fizmatgiz Publ., 1959, 699 p.

5. Hansford G.S., Litt M., Mass transport from a rotating disk into power law liquids, Chem. Eng. Sci., 1968, no. 23, pp. 849-864.

6. Koutetskiy Ya.A., Levich V.G., Zhurnal fizicheskoy khimii – Russian Journal of Physical Chemistry A, 1958, V. 32, pp. 1565-1575.

7. Nasr-El-Din H.A., Al-Mohammed A.M., Al-Aamri A.M., Al-Fuwaires O., Reaction kinetics of gelled acids with calcite, Paper SPE 103979, presented at the International oil and gas Conference and Exhibition, Beijing, China, 5-7 December, 2006.

8. Al-Mohammed A., Nasr-El-Din H.A., Al-Aamri A.M., Reaction of calcite with surfactant-based acids, Paper SPE 102838, presented at the SPE Annual Technical Conference and Exhibition, San Antonio, TX, 24-27 Sept, 2006.

Key words: hydrofracturing, carbonate rocks, acid fluid, rotating disk, reaction kinetics.

Methods of kinetic parameters calculation using data from rotating disc have been analyzed. It has been shown that to calculate a rate constant and an order of reaction in surface kinetics region, optimization methods shall be used. Rate coefficients and orders of reaction of Tatarstan carbonate rocks dissolution in acid fracturing fluids under high frac pressure have been determined.

References

1. Salimov V.G. , Ibatullin R.R. , Nasybullin A.V. et al., Neftyanoe khozyaystvo – Oil Industry, 2013, no. 1, pp. 68-71.

2. Pleskov Yu.V., Filinovskiy V.Yu., Vrashchayushchiysya diskovyy elektrod (The rotating disk electrode), Moscow: Nauka Publ., 1972, 343 p.

3. Kasha P., Proceedings of the Scientific and Practical Conference “Effektivnye puti poiskov, razvedki i razrabotki zalezhey nefti Belarusi” (Effective ways of prospecting, exploration and development of oil deposits in Belarus), Belarus, Gomel': Publ. of RUP PO “Belorusneft'”, 2007, pp. 581-588.

4. Levich V.G., Fiziko-khimicheskaya gidrodinamika (Physical and chemical hydrodynamics), Moscow: Fizmatgiz Publ., 1959, 699 p.

5. Hansford G.S., Litt M., Mass transport from a rotating disk into power law liquids, Chem. Eng. Sci., 1968, no. 23, pp. 849-864.

6. Koutetskiy Ya.A., Levich V.G., Zhurnal fizicheskoy khimii – Russian Journal of Physical Chemistry A, 1958, V. 32, pp. 1565-1575.

7. Nasr-El-Din H.A., Al-Mohammed A.M., Al-Aamri A.M., Al-Fuwaires O., Reaction kinetics of gelled acids with calcite, Paper SPE 103979, presented at the International oil and gas Conference and Exhibition, Beijing, China, 5-7 December, 2006.

8. Al-Mohammed A., Nasr-El-Din H.A., Al-Aamri A.M., Reaction of calcite with surfactant-based acids, Paper SPE 102838, presented at the SPE Annual Technical Conference and Exhibition, San Antonio, TX, 24-27 Sept, 2006.


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