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Original scientific paper

MIDDLE MIOCENE DEPOSITIONAL MODEL IN THE DRAVA DEPRESSION DESCRIBED BY GEOSTATISTICAL POROSITY AND THICKNESS MAPS (CASE STUDY: STARI GRADAC-BARCS NYUGAT FIELD)

Tomislav Malvić

Fulltext: english, pdf (2 MB) pages 63-70 downloads: 1.049* cite
APA 6th Edition
Malvić, T. (2006). MIDDLE MIOCENE DEPOSITIONAL MODEL IN THE DRAVA DEPRESSION DESCRIBED BY GEOSTATISTICAL POROSITY AND THICKNESS MAPS (CASE STUDY: STARI GRADAC-BARCS NYUGAT FIELD). Rudarsko-geološko-naftni zbornik, 18 (1), 63-70. Retrieved from https://hrcak.srce.hr/7326
MLA 8th Edition
Malvić, Tomislav. "MIDDLE MIOCENE DEPOSITIONAL MODEL IN THE DRAVA DEPRESSION DESCRIBED BY GEOSTATISTICAL POROSITY AND THICKNESS MAPS (CASE STUDY: STARI GRADAC-BARCS NYUGAT FIELD)." Rudarsko-geološko-naftni zbornik, vol. 18, no. 1, 2006, pp. 63-70. https://hrcak.srce.hr/7326. Accessed 11 Aug. 2020.
Chicago 17th Edition
Malvić, Tomislav. "MIDDLE MIOCENE DEPOSITIONAL MODEL IN THE DRAVA DEPRESSION DESCRIBED BY GEOSTATISTICAL POROSITY AND THICKNESS MAPS (CASE STUDY: STARI GRADAC-BARCS NYUGAT FIELD)." Rudarsko-geološko-naftni zbornik 18, no. 1 (2006): 63-70. https://hrcak.srce.hr/7326
Harvard
Malvić, T. (2006). 'MIDDLE MIOCENE DEPOSITIONAL MODEL IN THE DRAVA DEPRESSION DESCRIBED BY GEOSTATISTICAL POROSITY AND THICKNESS MAPS (CASE STUDY: STARI GRADAC-BARCS NYUGAT FIELD)', Rudarsko-geološko-naftni zbornik, 18(1), pp. 63-70. Available at: https://hrcak.srce.hr/7326 (Accessed 11 August 2020)
Vancouver
Malvić T. MIDDLE MIOCENE DEPOSITIONAL MODEL IN THE DRAVA DEPRESSION DESCRIBED BY GEOSTATISTICAL POROSITY AND THICKNESS MAPS (CASE STUDY: STARI GRADAC-BARCS NYUGAT FIELD). Rudarsko-geološko-naftni zbornik [Internet]. 2006 [cited 2020 August 11];18(1):63-70. Available from: https://hrcak.srce.hr/7326
IEEE
T. Malvić, "MIDDLE MIOCENE DEPOSITIONAL MODEL IN THE DRAVA DEPRESSION DESCRIBED BY GEOSTATISTICAL POROSITY AND THICKNESS MAPS (CASE STUDY: STARI GRADAC-BARCS NYUGAT FIELD)", Rudarsko-geološko-naftni zbornik, vol.18, no. 1, pp. 63-70, 2006. [Online]. Available: https://hrcak.srce.hr/7326. [Accessed: 11 August 2020]

Abstracts
Neogene depositional environments in the Drava depression can be classified in two groups. One group is of local alluvial fans, which were active during the period of Middle Miocene (Badenian) extension through the entire Pannonian Basin. The second group is represented by continuous Pannonian and Pontian sedimentation starting with lacustrine environment of partly deep water and partly prodelta (turbidity) fans and terminating at the delta plain sedimentation. The coarse-grained sediments of alluvial fans have the great hydrocarbon potential, because they often comprise reservoir rocks. Reservoir deposits are mostly overlain (as result of fan migration) by pelitic seal deposits and sometimes including organic rich source facies. That Badenian sequences are often characterised by complete petroleum systems, what is confirmed by large number of oil and gas discoveries in such sediments in the Drava and other Croatian depressions. Alluvial environments are characterised by frequent changes of petrophysical properties, due to local character of depositional mechanism and material sources. In the presented paper, Stari Gradac-Barcs Nyugat field is selected as a case study for demonstrating the above mentioned heterogenic features of the Badenian sequences. Structural solutions are compared by maps of parameters related to depositional environment, i.e. porosity and thickness maps. Geostatistics were used for spatial extension of input dataset. The spatial variability of porosity values, i.e. reservoir quality, is interpreted by transition among different sub-environments (facies) in the alluvial fan system.

Keywords
depositional model; Middle Miocene; geostatistics; porosity; thickness; Stari Gradac-Barcs Nyugat

Hrčak ID: 7326

URI
https://hrcak.srce.hr/7326

[croatian]

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