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Determination of the optimal rate of injection acid compositions on the results of research on the core samples

Authors: G.P. Khizhnyak, I.N. Ponomareva, A.M. Amirov (Perm National Research Polytechnic University, RF, Perm), V.N. Gluschenko (PETROHIM CJSC, RF, Belgorod)

Key words: bottomhole formation zone, carbonate reservoir, acid composition, core sample, rate of injection.

Using core samples of productive deposits of Perm region authors were studied six acid compositions on the basis of hydrochloric acid. It is confirmed the existence of the optimal rate of injection at which the formation channel with high permeability for a minimum amount of acid composition. For researched acid composition and core samples optimal speed averaged 12,5·10-5 m/s.
References
1. Ivanov A. D., Turbakov M.S., Vestnik Permskogo gosudarstvennogo
tekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe delo, 2006,
no. 1, pp. 37-40.
2. Antonov Yu.F., Mordvinov V.A., Vestnik Permskogo gosudarstvennogo
tekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe delo, 2006,
no. 1, pp. 64-67.
3. Poplygin V.V, Poplygina I.S., Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo universiteta. Geologiya. Neftegazovoe i
gornoe delo, 2012, no. 5, pp. 63-69.
4. Poplygin V.V., Davydova I.S., Kuznetsov I.V., Galkin S.V., Vestnik Permskogo gosudarstvennogo tekhnicheskogo universiteta. Geologiya. Neftegazovoe i
gornoe delo, 2010, no. 5, pp. 70-74.
5. Kalfayan L., Production enhancement with acid stimulation, 2nd ed., Tusla:
PennWell, 2008, 3 p.
6. Glushchenko V. N., Silin M. A., Neftepromyslovaya khimiya (Oilfield chemistry),
Part 4: Kislotnaya obrabotka skvazhin (Acidizing wells), Moscow: Interkontakt
Nauka Publ., 2010, 703 p.
7. Balueva N.Yu., Yushkov I.R., Khizhnyak G.P., Vestnik Permskogo gosudarstvennogo tekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe
delo, 2008, no. 3, pp. 44-50.
8. Suchkov B.M., Dobycha nefti iz karbonatnykh kollektorov (Oil production
from carbonate reservoirs), Izhevsk: Publ. of NITs RKhD, 2005, 688 p.
9. Khizhnyak G.P., Ponomareva I.N., Amirov A.M. et al., Neftyanoe khozyaystvo
– Oil Industry, 2013, no. 11, pp. 116-119.
10. Bazin B., From matrix acidizing to acid fracturing: a laboratory evalution of
acid/rock interactions, SPE Production and Facilities, 2001, V. 16, no. 1., pp. 22 – 29.
11. Al-Harthy Salah, Bustos Oscar A., Mathew Samuel, Options for high-temperature well stimulation, Oilfield review, 2008/2009, V. 20, no. 4, pp. 54.

Key words: bottomhole formation zone, carbonate reservoir, acid composition, core sample, rate of injection.

Using core samples of productive deposits of Perm region authors were studied six acid compositions on the basis of hydrochloric acid. It is confirmed the existence of the optimal rate of injection at which the formation channel with high permeability for a minimum amount of acid composition. For researched acid composition and core samples optimal speed averaged 12,5·10-5 m/s.
References
1. Ivanov A. D., Turbakov M.S., Vestnik Permskogo gosudarstvennogo
tekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe delo, 2006,
no. 1, pp. 37-40.
2. Antonov Yu.F., Mordvinov V.A., Vestnik Permskogo gosudarstvennogo
tekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe delo, 2006,
no. 1, pp. 64-67.
3. Poplygin V.V, Poplygina I.S., Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo universiteta. Geologiya. Neftegazovoe i
gornoe delo, 2012, no. 5, pp. 63-69.
4. Poplygin V.V., Davydova I.S., Kuznetsov I.V., Galkin S.V., Vestnik Permskogo gosudarstvennogo tekhnicheskogo universiteta. Geologiya. Neftegazovoe i
gornoe delo, 2010, no. 5, pp. 70-74.
5. Kalfayan L., Production enhancement with acid stimulation, 2nd ed., Tusla:
PennWell, 2008, 3 p.
6. Glushchenko V. N., Silin M. A., Neftepromyslovaya khimiya (Oilfield chemistry),
Part 4: Kislotnaya obrabotka skvazhin (Acidizing wells), Moscow: Interkontakt
Nauka Publ., 2010, 703 p.
7. Balueva N.Yu., Yushkov I.R., Khizhnyak G.P., Vestnik Permskogo gosudarstvennogo tekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe
delo, 2008, no. 3, pp. 44-50.
8. Suchkov B.M., Dobycha nefti iz karbonatnykh kollektorov (Oil production
from carbonate reservoirs), Izhevsk: Publ. of NITs RKhD, 2005, 688 p.
9. Khizhnyak G.P., Ponomareva I.N., Amirov A.M. et al., Neftyanoe khozyaystvo
– Oil Industry, 2013, no. 11, pp. 116-119.
10. Bazin B., From matrix acidizing to acid fracturing: a laboratory evalution of
acid/rock interactions, SPE Production and Facilities, 2001, V. 16, no. 1., pp. 22 – 29.
11. Al-Harthy Salah, Bustos Oscar A., Mathew Samuel, Options for high-temperature well stimulation, Oilfield review, 2008/2009, V. 20, no. 4, pp. 54.


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