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Comparison and Benefits of Geostatistical Porosity Mapping in Western Drava Depression Reservoirs


Malvić, Tomislav
Comparison and Benefits of Geostatistical Porosity Mapping in Western Drava Depression Reservoirs // Natural Gas - From Reservoir to the burner Tip / Steiner, Ivo (ur.).
Zagreb: RGN fakultet, 2005. (predavanje, nije recenziran, sažetak, pregledni)


Naslov
Comparison and Benefits of Geostatistical Porosity Mapping in Western Drava Depression Reservoirs

Autori
Malvić, Tomislav

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, pregledni

Izvornik
Natural Gas - From Reservoir to the burner Tip / Steiner, Ivo - Zagreb : RGN fakultet, 2005

Skup
Petroleum Engineering Summer School, Workshop 17

Mjesto i datum
Dubrovnik, Hrvatska, 6.-11. 2005

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Nije recenziran

Ključne riječi
porosity; reservoir characterisation; Kriging; stochastic simulation; Molve; Kalinovac; Stari Gradac

Sažetak
Porosity behaviour at three gas-condensate fields in western part of Drava depression (Molve, Kalinovac, Stari Gradac) is geostatistically analysed, in four, hydrodynamic connected , reservoir lithofacies. Lithofacies are (from the oldest to the youngest): IV of prePz-D age ; III of P+T age ; II of T2, 3+J age ; I of M1, 2 age. Geostatistical mapping included variogram analyses, estimations and simulations. Four "average" variogram model ranges (honouring structure axes) are determined regarding lithofacies: 1770x1500 m (IV) ; 2208x925 m (III+II) ; 2292x1150 m (I). All are approximated with spherical theoretical model. The most appropriate estimations technique was Ordinary Kriging. The most appropriate interpolations are achieved in lithofacies IV+I at Molve field, and in lithofacies III+II at Kalinovac field. Results of stochastical sequential simulations are expressed as interval of minimum, mean and maximum values for each lithofacies separately. New mean porosities by lithofacies and fields are calculated from histogram based on 100 "equally-probable" realizations. P1 and P99 realizations are selected as base (together with interpolation maps) for observing promising porosity areas in different lithofacies. Such promising areas were outlined at all three fields. Stari Gradac - southern from wells Stg-1z, 2 and western from wells Stg-1, 4, 5 in lithofacies III (also, on Hungarian side in area of Bny-1, 3, 7 wells). Kalinovac - western from wells Kal-2, 6, 12, along main fault, especially in lithofacies III. Molve - central field block in lithofacies III.

Izvorni jezik
Engleski

Znanstvena područja
Geologija

Napomena
Nepotpun bibliografski zapis - nedostaje broj stranica.



POVEZANOST RADA


Projekt / tema
0195035

Ustanove
Rudarsko-geološko-naftni fakultet, Zagreb

Profili:

Avatar Url Tomislav Malvić (autor)

Citiraj ovu publikaciju

Malvić, Tomislav
Comparison and Benefits of Geostatistical Porosity Mapping in Western Drava Depression Reservoirs // Natural Gas - From Reservoir to the burner Tip / Steiner, Ivo (ur.).
Zagreb: RGN fakultet, 2005. (predavanje, nije recenziran, sažetak, pregledni)
Malvić, T. (2005) Comparison and Benefits of Geostatistical Porosity Mapping in Western Drava Depression Reservoirs. U: Steiner, I. (ur.)Natural Gas - From Reservoir to the burner Tip.
@article{article, author = {Malvi\'{c}, T.}, editor = {Steiner, I.}, year = {2005}, keywords = {porosity, reservoir characterisation, Kriging, stochastic simulation, Molve, Kalinovac, Stari Gradac}, title = {Comparison and Benefits of Geostatistical Porosity Mapping in Western Drava Depression Reservoirs}, keyword = {porosity, reservoir characterisation, Kriging, stochastic simulation, Molve, Kalinovac, Stari Gradac}, publisher = {RGN fakultet}, publisherplace = {Dubrovnik, Hrvatska} }