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Carbonated layers fractured zones localization based on well testing

Authors: N.A. Morozovskiy, M.I. Kremenetskiy, A.S. Sirota (Gazpromneft NTC LLC, RF, Moscow), A.A. Shoshin R.N. Feoktistov (Gazpromneft Orenburg CJSC, RF, Orenburg)

Ключевые слова: well testing, carbonated reservoir, fractured reservoir, development monitoring, well productivity.

In case of carbonated reservoir with bifurcated system of fractures, well productivity depends on fact of fractures penetration and size rock blocks without fractures. Definition parameters of that system are difficult with help of classic filtration model and demand from use not only new interpretation algorithms, but special testing methodic. This paper describes definition algorithm of main parameters of those layer systems, which may be used in development planning and monitoring.

References
1. Earlouger R.C., Advances in well test analysis, Momograph Series, SPE
978-0-89520-204-8. – 1977.
2. Bourdet D., Gringarten A.S., Determination of fissure volume and block
size in fractured reservoirs by type curve analysis, SPE 9293. – 1980.
3. Warren J.E, Root P.J., Discussion of unsteady-state behavior of naturally
fractured reservoirs, SPE 966-PA. – 1965.
4. Kuchuk F., Biryukov D., Transient pressure test interpretation for continuously
and discretelu fractured reservoirs, SPE 158096, 2012.
5. Gulyaev D.N., Kokurina V.V., Kremenetskiy M.I. et al., Neftyanoe
khozyaystvo – Oil Industry, 2012, no. 5, pp. 82–85.
6. Ipatov A.I., Kremenetskiy M.I., Inzhenernaya praktika, 2012, no. 9, pp. 4–8.  

Ключевые слова: well testing, carbonated reservoir, fractured reservoir, development monitoring, well productivity.

In case of carbonated reservoir with bifurcated system of fractures, well productivity depends on fact of fractures penetration and size rock blocks without fractures. Definition parameters of that system are difficult with help of classic filtration model and demand from use not only new interpretation algorithms, but special testing methodic. This paper describes definition algorithm of main parameters of those layer systems, which may be used in development planning and monitoring.

References
1. Earlouger R.C., Advances in well test analysis, Momograph Series, SPE
978-0-89520-204-8. – 1977.
2. Bourdet D., Gringarten A.S., Determination of fissure volume and block
size in fractured reservoirs by type curve analysis, SPE 9293. – 1980.
3. Warren J.E, Root P.J., Discussion of unsteady-state behavior of naturally
fractured reservoirs, SPE 966-PA. – 1965.
4. Kuchuk F., Biryukov D., Transient pressure test interpretation for continuously
and discretelu fractured reservoirs, SPE 158096, 2012.
5. Gulyaev D.N., Kokurina V.V., Kremenetskiy M.I. et al., Neftyanoe
khozyaystvo – Oil Industry, 2012, no. 5, pp. 82–85.
6. Ipatov A.I., Kremenetskiy M.I., Inzhenernaya praktika, 2012, no. 9, pp. 4–8.  


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