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Acid treatment technological advancement

Authors: A.A. Khakimov, R.I. Sattarov, A.V. Kachurin (Industrial Chemistry OOO, MIRRIKO Group of Companies), A.V. Akimkin (Bashneft JSOC)

It is noted that standard methods of acid treatments do not allow to extract significant oil reserves of reservoirs under development. One of the ways to improve the efficiency of acid treatments of reservoirs at a late stage of development is the use of complex compounds. Complex additive to the Katol 22A acid is developed and tested by Mirrico Group at the fields of Bashneft JSOC. The effectiveness of treatments in the presence of Katola 22A on average is 80-90 %.

Key words: hydrochloric acid treatment, the intensification of oil production, complex surfactants.

References

1. Amelin I.D., Surguchev M.L., Davydov A.V. Prognoz razrabotki neftyanykh zalezhey na pozdney stadii (Forecast of development of oil deposits in the late stage), Moscow: Nedra Publ., 1994, 308 p.

2. Tokunov V.I., Saushin A.Z. Tekhnologcheskie zhidkosti i sostavy dlya povysheniya produktivnosti neftyanykh i gazovykh skvazhin (Process fluids and compositions for increasing the productivity of oil and gas wells), Moscow: OOO “Nedra-Biznestsentr” Publ., 2004, 711 p.

3. Roessingh H. Well stimulation the key to discoveries, Canadien Petroleum, 1969, V.10 no. 5, pp. 35-39.

4. Loginov B.G., Malyshev L.G.. Garifullin Sh.S. Rukovodstvo po kislotnym obrabotkam skvazhin (Guidelines for wells acidizing), Moscow: Nedra Publ., 1966, P. 22.

It is noted that standard methods of acid treatments do not allow to extract significant oil reserves of reservoirs under development. One of the ways to improve the efficiency of acid treatments of reservoirs at a late stage of development is the use of complex compounds. Complex additive to the Katol 22A acid is developed and tested by Mirrico Group at the fields of Bashneft JSOC. The effectiveness of treatments in the presence of Katola 22A on average is 80-90 %.

Key words: hydrochloric acid treatment, the intensification of oil production, complex surfactants.

References

1. Amelin I.D., Surguchev M.L., Davydov A.V. Prognoz razrabotki neftyanykh zalezhey na pozdney stadii (Forecast of development of oil deposits in the late stage), Moscow: Nedra Publ., 1994, 308 p.

2. Tokunov V.I., Saushin A.Z. Tekhnologcheskie zhidkosti i sostavy dlya povysheniya produktivnosti neftyanykh i gazovykh skvazhin (Process fluids and compositions for increasing the productivity of oil and gas wells), Moscow: OOO “Nedra-Biznestsentr” Publ., 2004, 711 p.

3. Roessingh H. Well stimulation the key to discoveries, Canadien Petroleum, 1969, V.10 no. 5, pp. 35-39.

4. Loginov B.G., Malyshev L.G.. Garifullin Sh.S. Rukovodstvo po kislotnym obrabotkam skvazhin (Guidelines for wells acidizing), Moscow: Nedra Publ., 1966, P. 22.


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