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Investigation of the factors that affect development of oil deposits Talin area of Krasnoleninskoye field

Authors: Lazeev А.N., Gnilitskiy R.А. (TNNC LLC), Nikolaev М.N., Leskin F.Y., Ermilov Е.V. (ТNК-Nyagan OJSC), Samolovov D.А., Plitkina Y.А., Brilliant L.S. (TING CJSC)

Key words: well testing, injection well fracturing, fracture half-length, skin-factor, free gas separation, gas saturation, oil productivity index, operating regime, progressive increase of water cut, low oil recovery.

The present work is concerned with investigation of injection well fracturing and decrease of oil well’s productivity on the basis of well testing in Talin’s square of Krasnoleninskoe oil field.

Separation of free gas in bottomhole formation zone, concerned with bottomhole pressure decrease below saturation pressure, is the main cause of decrease of oil well’s productivity and appearance of high amount of skin-factor. Even slightl free gas appearance (gas saturation is about 5-8 percent) causes three times decrease of oil phase permeability.

References

1. Turov V.A., Tekhnologicheskaya skhema razrabotki Talinskoy ploshchadi Krasnoleninskogo mestorozhdeniya (Development plan for the Talinskaya area of the Krasnoleninskoye field), Tyumen: Publ. of SibNIINP, 1984.

2. Guzeev V.V., Tekhnologicheskaya skhema razrabotki Talinskoy ploshchadi Krasnoleninskogo mestorozhdeniya (Development plan for the Talinskaya area of the Krasnoleninskoye field), Tyumen: Publ. of SibNIINP, 1991.

3. Stasyuk M.E., Yusupov K.S. et al., Analiz rezul'tatov gidrodinamicheskikh issledovaniy skvazhin Krasnoleninskogo mestorozhdeniya (Report on the research work "Analysis of the well test of the Krasnoleninskoye field"), V.1, , 2000.

4. Deeva T.A., Kamartdinov M.R. et al., Gidrodinamicheskie issledovaniya skvazhin: analiz i interpretatsiya dannykh (Well testing: analysis and interpretation of data), Tyumen: Publ. of TsPPS ND TPU, 2009.

5. Plitkina Yu.A., Dovbenko I.V., Brilliant L.S., Issledovanie vliyaniya parametrov treshchiny gidrorazryva plasta na koeffitsient zavodneniya pri proryve. Puti realizatsii neftyanogo i rudnogo potentsiala (Research the influence of parameters of hydraulic fracture reservoir by a factor of flooding the breakout. Ways to implement the oil and ore potential), Khanty-Mansiysk, 2005.

6. Vol'pin S.G., Provedenie gidrodinamicheskikh issledovaniy skvazhin na Talinskom mestorozhdenii (Conducting well testing on the Talin field), Moscow, 2005.

7. Gimatudinov Sh.K., Fizika neftyanogo i gazovogo plasta (Physics of the oil and gas reservoir), Moscow: Nedra Publ., 1971, 312 p.

8. Tekhnologicheskaya skhema razrabotki Krasnoleninskogo neftegazokondensatnogo mestorozhdeniya v predelakh Talinskogo litsenzionnogo uchastka (OOO В«TNNTsВ») (Development Plan for Krasnoleninskoye field within the Talin licensed area (TNNC LLC)), Tyumen: Publ. of SibNIINP, 2007.

Key words: well testing, injection well fracturing, fracture half-length, skin-factor, free gas separation, gas saturation, oil productivity index, operating regime, progressive increase of water cut, low oil recovery.

The present work is concerned with investigation of injection well fracturing and decrease of oil well’s productivity on the basis of well testing in Talin’s square of Krasnoleninskoe oil field.

Separation of free gas in bottomhole formation zone, concerned with bottomhole pressure decrease below saturation pressure, is the main cause of decrease of oil well’s productivity and appearance of high amount of skin-factor. Even slightl free gas appearance (gas saturation is about 5-8 percent) causes three times decrease of oil phase permeability.

References

1. Turov V.A., Tekhnologicheskaya skhema razrabotki Talinskoy ploshchadi Krasnoleninskogo mestorozhdeniya (Development plan for the Talinskaya area of the Krasnoleninskoye field), Tyumen: Publ. of SibNIINP, 1984.

2. Guzeev V.V., Tekhnologicheskaya skhema razrabotki Talinskoy ploshchadi Krasnoleninskogo mestorozhdeniya (Development plan for the Talinskaya area of the Krasnoleninskoye field), Tyumen: Publ. of SibNIINP, 1991.

3. Stasyuk M.E., Yusupov K.S. et al., Analiz rezul'tatov gidrodinamicheskikh issledovaniy skvazhin Krasnoleninskogo mestorozhdeniya (Report on the research work "Analysis of the well test of the Krasnoleninskoye field"), V.1, , 2000.

4. Deeva T.A., Kamartdinov M.R. et al., Gidrodinamicheskie issledovaniya skvazhin: analiz i interpretatsiya dannykh (Well testing: analysis and interpretation of data), Tyumen: Publ. of TsPPS ND TPU, 2009.

5. Plitkina Yu.A., Dovbenko I.V., Brilliant L.S., Issledovanie vliyaniya parametrov treshchiny gidrorazryva plasta na koeffitsient zavodneniya pri proryve. Puti realizatsii neftyanogo i rudnogo potentsiala (Research the influence of parameters of hydraulic fracture reservoir by a factor of flooding the breakout. Ways to implement the oil and ore potential), Khanty-Mansiysk, 2005.

6. Vol'pin S.G., Provedenie gidrodinamicheskikh issledovaniy skvazhin na Talinskom mestorozhdenii (Conducting well testing on the Talin field), Moscow, 2005.

7. Gimatudinov Sh.K., Fizika neftyanogo i gazovogo plasta (Physics of the oil and gas reservoir), Moscow: Nedra Publ., 1971, 312 p.

8. Tekhnologicheskaya skhema razrabotki Krasnoleninskogo neftegazokondensatnogo mestorozhdeniya v predelakh Talinskogo litsenzionnogo uchastka (OOO В«TNNTsВ») (Development Plan for Krasnoleninskoye field within the Talin licensed area (TNNC LLC)), Tyumen: Publ. of SibNIINP, 2007.


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