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The advantages of zonal geological-geophysical model using for long-term planning and monitoring of geological exploration works in the Shaimskiy region

UDK: УДК 550.8.072
Key words: Shaimskiy petroleum-bearing region, geological exploration works, seismic surveys, reservoir
Authors: A.S. Ablyazov, N.Yu. Sidorov, V.A. Savenko (KogalymNIPIneft Branch of LUKOIL-Engineering LLC in Tyumen, RF, Tyumen), S.V. Arefyev, A.A. Kachkin, V.A. Volostnov (LUKOIL-West Siberia LLC, RF, Kogalym)

Currently the bulk of geological exploration works in the Shaimskiy petroleum-bearing region concentrated in the marginal parts of the fields and areas of their joints that are underexplored or characterized by the presence of contradiction of geological and geophysical information. Advanced for search and for additional exploration objects in these areas can be identified only on the basis of zonal geological and geophysical models, combining groups of fields, that allow to summarize and consider diverse geological and geophysical information on the region.

Zonal geological and geophysical models of Jurassic deposits, in which the contradictions in the indexation and stratification of layers of Jurassic age are eliminated, are prepared for the north-eastern and western parts of the Shaimskiy region. It made possible to refine the morphology of productive strata, the limits of their pinching-out and merge fields area into a single stratigraphically linked zonal geological-geophysical model brought about accepted in Western Siberia formations indexing. Deposits geometrization is made on the basis of all available geological and geophysical information. The regions of the expansion of existing deposits are stated and new ones are predicted. As a result, new prospective sites are identified in an area at a later stage of additional exploration. This has allowed to outline a large amount of geological exploration works in the mid- and long-term.
References
1. Mukher A.G., Savenko V.A. et al., Osobennosti stroeniya,
korrelyatsii i rasprostraneniya verkhneyursko-nizhnemelovykh
otlozheniy v predelakh yugo-zapadnoy territorii
KhMAO (Features of the structure, correlation and distribution
of Upper Jurassic-Lower Cretaceous sediments within
the southwestern area of KhMAO), Collected papers
“Yurskaya sistema Rossii” (Jurassic System of Russia), Proceedings
of 2nd All-Russia meeting, Yaroslavl': Publ. of
Yaroslavl State Pedagogical University, 2007, pp. 164–169.
2. Amon E.O., Alekseev V.P. et al., Stratigrafiya i paleogeografiya
mezozoysko-kaynozoyskogo osadochnogo
chekhla Shaimskogo neftegazonosnogo rayona (Zapadnaya
Sibir') (Stratigraphy and paleogeography of the Mesozoic-
Cenozoic sedimentary cover Shaim oil and gas region
(Western Siberia)), edited by Alekseev V.P., Ekaterinburg:
Publ. of Ural State Mining University, 2010, 257 p.

Currently the bulk of geological exploration works in the Shaimskiy petroleum-bearing region concentrated in the marginal parts of the fields and areas of their joints that are underexplored or characterized by the presence of contradiction of geological and geophysical information. Advanced for search and for additional exploration objects in these areas can be identified only on the basis of zonal geological and geophysical models, combining groups of fields, that allow to summarize and consider diverse geological and geophysical information on the region.

Zonal geological and geophysical models of Jurassic deposits, in which the contradictions in the indexation and stratification of layers of Jurassic age are eliminated, are prepared for the north-eastern and western parts of the Shaimskiy region. It made possible to refine the morphology of productive strata, the limits of their pinching-out and merge fields area into a single stratigraphically linked zonal geological-geophysical model brought about accepted in Western Siberia formations indexing. Deposits geometrization is made on the basis of all available geological and geophysical information. The regions of the expansion of existing deposits are stated and new ones are predicted. As a result, new prospective sites are identified in an area at a later stage of additional exploration. This has allowed to outline a large amount of geological exploration works in the mid- and long-term.
References
1. Mukher A.G., Savenko V.A. et al., Osobennosti stroeniya,
korrelyatsii i rasprostraneniya verkhneyursko-nizhnemelovykh
otlozheniy v predelakh yugo-zapadnoy territorii
KhMAO (Features of the structure, correlation and distribution
of Upper Jurassic-Lower Cretaceous sediments within
the southwestern area of KhMAO), Collected papers
“Yurskaya sistema Rossii” (Jurassic System of Russia), Proceedings
of 2nd All-Russia meeting, Yaroslavl': Publ. of
Yaroslavl State Pedagogical University, 2007, pp. 164–169.
2. Amon E.O., Alekseev V.P. et al., Stratigrafiya i paleogeografiya
mezozoysko-kaynozoyskogo osadochnogo
chekhla Shaimskogo neftegazonosnogo rayona (Zapadnaya
Sibir') (Stratigraphy and paleogeography of the Mesozoic-
Cenozoic sedimentary cover Shaim oil and gas region
(Western Siberia)), edited by Alekseev V.P., Ekaterinburg:
Publ. of Ural State Mining University, 2010, 257 p.


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