First results of commercial application of KSK-Tatneft acidizing compositions

Authors: R.M. Rakhmanov, F.Z. Ismagilov, G.N. Farkhutdinov, A.I. Khisamutdinov (Tatneft OAO, RF, Almetyevsk), M.Kh. Musabirov, E.M. Abusalimov (TatNIPIneft, RF, Bugulma)

Key words: acidizing, acidizing compositions, reservoir stimulation, oil reservoir, efficiency and success rate.

Tatneft engineers have developed new acidizing compositions referred to as KSK-Tatneft. Various application scenarios have been field tested at Tatneft assets comprising Carboniferous and Devonian carbonate and terrigenous reservoirs. KSK acidizing compositions have been commercially used in 600 wells. Analysis and integration of field data made it possible to define geotechnical conditions for their application. Various approaches to reservoir acidizing have been developed, as well as basic scenarios for specific application of acidizing compositions. This paper presents recommended practices in selecting targets for acidizing jobs and technological scenarios screening.

References

1. Rakhmanov R.M., Ismagilov F.Z., Musabirov M.Kh., Orlov G.A., Neftepromyslovoe delo, 2008, no. 2, pp. 18-21.

2. Musabirov M.Kh., Sokhranenie i uvelichenie produktivnosti neftyanykh plastov (Maintaining and increasing the productivity of oil reservoirs), Kazan': Fen Publ., 2007, 424 p.

3. Rakhmanov R.M., Ismagilov F.Z., Khisamutdinov A.I., et al., Trudy in-ta TatNIPIneft' (Transactions of TatNIPIneft), 2010, V. 78, pp. 214-222.

4. Tokunov V.I., Saushin A.Z., Tekhnologicheskie 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.

5. Glushchenko V.N., Obratnye emul'sii i suspenzii v neftyanoy promyshlennosti (Inverted emulsions and suspensions in the oil industry), Moscow: Interkontakt Nauka Publ., 2008, 725 p.

6. Glazova V.M., Trakhtman G.I., Neftepromyslovoe delo, 1985, pp. 60.

7. Glushchenko V.N., Pozdeev O.V., Voprosy povysheniya effektivnosti kislotnykh sostavov dlya obrabotki skvazhin (Issues of efficiency of acid compositions for well treatment), Moscow: Publ. of VNIIOENG, 1992, 52 p.

8. Musabirov M.Kh., Denisov D.G., Kriushkin V.A., et al, Trudy in-ta TatNIPIneft' (Transactions of TatNIPIneft), 2008, pp. 378-390.

Key words: acidizing, acidizing compositions, reservoir stimulation, oil reservoir, efficiency and success rate.

Tatneft engineers have developed new acidizing compositions referred to as KSK-Tatneft. Various application scenarios have been field tested at Tatneft assets comprising Carboniferous and Devonian carbonate and terrigenous reservoirs. KSK acidizing compositions have been commercially used in 600 wells. Analysis and integration of field data made it possible to define geotechnical conditions for their application. Various approaches to reservoir acidizing have been developed, as well as basic scenarios for specific application of acidizing compositions. This paper presents recommended practices in selecting targets for acidizing jobs and technological scenarios screening.

References

1. Rakhmanov R.M., Ismagilov F.Z., Musabirov M.Kh., Orlov G.A., Neftepromyslovoe delo, 2008, no. 2, pp. 18-21.

2. Musabirov M.Kh., Sokhranenie i uvelichenie produktivnosti neftyanykh plastov (Maintaining and increasing the productivity of oil reservoirs), Kazan': Fen Publ., 2007, 424 p.

3. Rakhmanov R.M., Ismagilov F.Z., Khisamutdinov A.I., et al., Trudy in-ta TatNIPIneft' (Transactions of TatNIPIneft), 2010, V. 78, pp. 214-222.

4. Tokunov V.I., Saushin A.Z., Tekhnologicheskie 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.

5. Glushchenko V.N., Obratnye emul'sii i suspenzii v neftyanoy promyshlennosti (Inverted emulsions and suspensions in the oil industry), Moscow: Interkontakt Nauka Publ., 2008, 725 p.

6. Glazova V.M., Trakhtman G.I., Neftepromyslovoe delo, 1985, pp. 60.

7. Glushchenko V.N., Pozdeev O.V., Voprosy povysheniya effektivnosti kislotnykh sostavov dlya obrabotki skvazhin (Issues of efficiency of acid compositions for well treatment), Moscow: Publ. of VNIIOENG, 1992, 52 p.

8. Musabirov M.Kh., Denisov D.G., Kriushkin V.A., et al, Trudy in-ta TatNIPIneft' (Transactions of TatNIPIneft), 2008, pp. 378-390.


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