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Construction of the geological model of the Vikulov sediments in consideration of data uncertainty

UDK: УДК 553.98
Key words: structural model, geological model, model fluids, uncertainty analysis
Authors: N.N. Bozhenyuk, M.D. Korobkov (Surgutneftegas JSC, RF, Surgut)
The article is focused on the process of geological modeling of the complex geological structure in consideration of the analysis of uncertain background data. The territory is understudied. For this reason model was developed using derived dependence of structure variability on remoteness of wells with actual information and formation depth. To present layer variability when constructing lithology cube, combination of deterministic and stochastic methods by applying geological-statistical profiles was used. While making distribution of characteristics in interwell space declustering of initial data was exercised. The model of relative permeability to phase and capillary model were built on the basis of examined well logging data. The methodology for interactive petrophysical modeling of undersaturated reservoirs in the transition zone was tested and applied.
References
1. Alekseev V.P., Amon E.O. et al., Sostav, stroenie i usloviya formirovaniya
kollektorov gruppy VK vostochnoy chasti Krasnoleninskogo neftyanogo
mestorozhdeniya (Zapadnaya Sibir') (The composition, structure and conditions
of formation of VK collectors group of eastern part of Krasnoleninsk oil
field (Western Siberia)), Ekaterinburg: Publ. of Ural State Mining University, 2011,
325 р.
2. Dubrule O., Geostatistic in petroleum geology, AAPG Continuing Education
Course Note Series no. 38, AAPG, Tulsa, Oklahoma, U.S.A., 1998, 256 р.
3. Deutsch Clayton V., Geostatistical reservoir modeling, Oxford University
Press, 2002, 384 p.
4. Grechishnikova I.A., Levitskiy E.S., Prakticheskie zanyatiya po istoricheskoy
geologii (Practical lessons in historical geology), Moscow: Nedra Publ., 1979,
186 р.
5. Chernova O.S., Sedimentologiya rezervuara (Reservoir sedimentology),
Tomsk: Publ. of TPU, 2004, 453 р.
The article is focused on the process of geological modeling of the complex geological structure in consideration of the analysis of uncertain background data. The territory is understudied. For this reason model was developed using derived dependence of structure variability on remoteness of wells with actual information and formation depth. To present layer variability when constructing lithology cube, combination of deterministic and stochastic methods by applying geological-statistical profiles was used. While making distribution of characteristics in interwell space declustering of initial data was exercised. The model of relative permeability to phase and capillary model were built on the basis of examined well logging data. The methodology for interactive petrophysical modeling of undersaturated reservoirs in the transition zone was tested and applied.
References
1. Alekseev V.P., Amon E.O. et al., Sostav, stroenie i usloviya formirovaniya
kollektorov gruppy VK vostochnoy chasti Krasnoleninskogo neftyanogo
mestorozhdeniya (Zapadnaya Sibir') (The composition, structure and conditions
of formation of VK collectors group of eastern part of Krasnoleninsk oil
field (Western Siberia)), Ekaterinburg: Publ. of Ural State Mining University, 2011,
325 р.
2. Dubrule O., Geostatistic in petroleum geology, AAPG Continuing Education
Course Note Series no. 38, AAPG, Tulsa, Oklahoma, U.S.A., 1998, 256 р.
3. Deutsch Clayton V., Geostatistical reservoir modeling, Oxford University
Press, 2002, 384 p.
4. Grechishnikova I.A., Levitskiy E.S., Prakticheskie zanyatiya po istoricheskoy
geologii (Practical lessons in historical geology), Moscow: Nedra Publ., 1979,
186 р.
5. Chernova O.S., Sedimentologiya rezervuara (Reservoir sedimentology),
Tomsk: Publ. of TPU, 2004, 453 р.


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