A Comprehensive Approach to Basement Fractured Reservoir Development in the Pannonian Basin: Case Study (Russian)

A Comprehensive Approach to Basement Fractured Reservoir Development in the Pannonian Basin: Case Study

10.2118/187779-ms ◽

2017 ◽

Author(s):

Artem Polivakho ◽

Mile Dragosavac ◽

Kirill Ezhov ◽

Elena Kharyba ◽

Ilya Bogatyrev ◽

...

Keyword(s):

Pannonian Basin ◽

Comprehensive Approach ◽

Fractured Reservoir ◽

Reservoir Development

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Complex Unconventional Wells Addressing Difficult Reservoir Development : A Case Study of West Kuwait Jurassic Reservoirs

10.2523/11716-ms ◽

2007 ◽

Author(s):

Naveen Kumar Verma ◽

Fahed Al-Medhadi ◽

Adnan Aiesh Al Shamali ◽

Natarajan Dakshinamurthy ◽

Saad Awad Matar ◽

...

Keyword(s):

Reservoir Development

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Critical Tectonic Limits for Geothermal Aquifer Use: Case Study from the East Slovakian Basin Rim

Resources ◽

10.3390/resources10040031 ◽

2021 ◽

Vol 10 (4) ◽

pp. 31

Author(s):

Stanislav Jacko ◽

Roman Farkašovský ◽

Igor Ďuriška ◽

Barbora Ščerbáková ◽

Kristína Bátorová

Keyword(s):

Heat Flow ◽

Pannonian Basin ◽

Open Fractures ◽

Water Type ◽

Geothermal Heat ◽

The North ◽

Heat System ◽

Volcanic Chain ◽

Saline Solutions

The Pannonian basin is a major geothermal heat system in Central Europe. Its peripheral basin, the East Slovakian basin, is an example of a geothermal structure with a linear, directed heat flow ranging from 90 to 100 mW/m2 from west to east. However, the use of the geothermal source is limited by several critical tectono-geologic factors: (a) Tectonics, and the associated disintegration of the aquifer block by multiple deformations during the pre-Paleogene, mainly Miocene, period. The main discontinuities of NW-SE and N-S direction negatively affect the permeability of the aquifer environment. For utilization, minor NE-SW dilatation open fractures are important, which have been developed by sinistral transtension on N–S faults and accelerated normal movements to the southeast. (b) Hydrogeologically, the geothermal structure is accommodated by three water types, namely, Na-HCO3 with 10.9 g·L−1 mineralization (in the north), the Ca-Mg-HCO3 with 0.5–4.5 g·L−1 mineralization (in the west), and Na-Cl water type containing 26.8–33.4 g·L−1 mineralization (in the southwest). The chemical composition of the water is influenced by the Middle Triassic dolomite aquifer, as well as by infiltration of saline solutions and meteoric waters along with open fractures/faults. (c) Geothermally anomalous heat flow of 123–129 °C with 170 L/s total flow near the Slanské vchy volcanic chain seems to be the perspective for heat production.

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