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Modernization of the basic gravimetric control network Polish Geological Institute - implementing a modern international gravimetric system and relationship with the historical Potsdam system

Olszak Tomasz, Rosowiecka Olga, Musiatewicz Mirosław, Targosz Paweł, Kulpiński Marek, Krupa Paweł, Stefański Marcin

Reports on Geodesy and Geoinformatics

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2024

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Vol. 117

1--10

EN

The project of the gravimetric database reambulation from the collections of the Central Geological Archives set itself the goal of ending the era of gravimetric bases dualism and transferring both databases: gravimetric base and archival gravimetric semi-detailed measurements to the modern frame of gravity reference, consistent with ITGRS/F definitions and realizations. This will strengthen the interpretational potential of gravimetric data and will open the possibility of fully integrating Polish gravity data with international databases of this type, and will also allow for the performance of modern works in relation to the modern gravimetric control network, i.e., in relation to the highest possible precision of the reference definition of gravimetric measurements in the country. Whenever the article refers to the units in which the gravity vector is determined, milliGal [mGal] is used, and the relation to the SI system is as follows: 1mGal = 10–5ms–2 or microGal [µGal] where 1µGal = 10–8ms–2.

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3D geological and potential field modelling of the buried alkaline-carbonatite Tajno massif (East European Craton, NE Poland)

Petecki Zdzisław, Rosowiecka Olga, Krzemiński Leszek

Geological Quarterly

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2022

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Vol. 66, No. 1

art. no. 10

EN

Geological and geophysical data are used to model the 3D geometry of the Tajno alkaline massif intruded during the Early Carboniferous in NE Poland. The massif consists mainly of pyroxenite, mafic intrusive and volcanic rocks, and carbonatites containing rare earth elements (REE) and other important mineral resources. The deep structure of the massif, and its thickness, shape and internal structure, has been poorly known making it impossible to properly search for useful mineral resources. In order to better constrain the distribution, geometries and relationships between the main rock types, a 3D geological model of the Tajno massif has been developed. The input data comprise a set of geological cross-sections built on an updated subsurface geological map, and borehole, magnetic and gravity data. 3D Geomodeller software was applied to integrate geological data into a coherent and geologically feasible model of the massif using geostatistical analysis. The magnetic and gravity data were used to constrain the 3D geological modelling results. The final 3D model is thus compatible with the geological data, as well as with geophysical data. The most important conclusions obtained from the modelling are as follows: (i) a higher proportion of nepheline syenites or tuffs and pyroclastic breccia in relation to pyroxenites; and, (ii) a smaller proportion of chimney breccia relative to chimney-hosted tuffs and volcanic breccia than proposed in previous geological interpretation. These results are important for further studies on the evolution of the Tajno massif and its associated carbonatites.

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Poszukiwanie, rozpoznawanie oraz wydobywanie złóż ropy naftowej i gazu ziemnego w Polsce : procedury udzielania koncesji i perspektywy naftowe w 2021 roku

Jagielski Grzegorz, Kijewska Sylwia, Krzyżak Ewelina, Kumek Jowita, Rosowiecka Olga, Roszkowska-Remin Joanna, Słomski Piotr, Smajdor Łukasz, Wesołowski Marcin, Wójcik Krystian

Przegląd Geologiczny

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2020

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Vol. 68, nr 10

729--743

EN

On June 26, 2020, the Polish Minister of the Environment announced the boundaries of four areas dedicated to the next, 5th tender round for hydrocarbon concessions in Poland, planned in 2021. These are: Gryfice, Gorzów Wielkopolski S, Kartuzy and Siedlce W. The main exploration target of the areas located in western Poland - Gryfice and Gorzów Wielkopolski S- is related to conventional accumulations of oil and gas in the Permian/Main Dolomite. Moreover, the Permian/Rotliegend and Carboniferous/Westphalian sandstones are an additional target in the Gryfice area. On the other side - in the northern and eastern part of Poland (East European Platform), the Kartuzy and Siedlce W areas are prospective for shale-gas and shale-oil discoveries in the Lower Paleozoic shale formations, as well as for conventional and tight-gas/tight-oil accumulations in the Cambrian sandstones. These four areas have been selected from 24 proposals reported by the Polish Geological Survey as the most prospective areas for petroleum exploration. However, the tender procedure is only one of two ways of granting concession in Poland. The second way is the open-door procedure, in which an entity may apply for a concession in any area that is not a subject of a tender or other concession, but the area cannot be greater than 1200 km.

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Koncesje na poszukiwanie, rozpoznawanie oraz wydobywanie złóż ropy naftowej i gazu ziemnego w Polsce w 2019 i 2020 roku : postępowanie przetargowe i przetarg inwestorski

Jagielski Grzegorz, Jankowski Leszek, Kiersnowski Hubert, Kijewska Sylwia, Kozłowska Aleksandra, Krzyżak Ewelina, Kuberska Marta, Laskowicz Rafał, Rosowiecka Olga, Roszkowska-Remin Joanna, Smajdor Łukasz, Wesołowski Marcin, Wójcik Krystian, Żuk Tomasz

Przegląd Geologiczny

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2019

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Vol. 67, nr 12

938--960

EN

A concession for prospection, exploration and production of hydrocarbons from deposits or a concession for production of hydrocarbons from deposits shall be granted by the way of a tender procedure or at the request of the interested entity. On June 28, 2018 the Polish Minister of the Environment announced the boundaries of the five tender areas dedicated for the next, 4th tender round for hydrocarbon concessions in Poland. These are: Bestwina-Czechowice, Królówka, Pyrzyce, Złoczew and Żabowo. The main exploration target of the areas located in southern Poland (Carpathians) - Bestwina-Czechowice and Królówka - is related to conventional accumulations of gas in the Miocene of the Carpathian Foredeep and to conventional and unconventional accumulations of gas and oil in the Paleozoic-Mesozoic basement of the Carpathian units. On the other side, the conventional accumulations of gas in the Permian Rotliegend sandstones and conventional and unconventional accumulations of gas and oil in the Zechstein/Main Dolomite carbonates are expected in the Pyrzyce, Żabowo and Złoczew areas, in central and north-western Poland. The beginning of the tender is planned for Q1 2020. The tender will last 180 days. The entities can also apply for a concession submitting an application to the Licensing Authority . However, the area indicated by the entity cannot be a subject of a tender or any other concession, and the maximum acreage cannot exceed 1200 km2. As a rule, a concession is granted for a period of 30 years and will be divided into 2 phases: (1) prospection and exploration phase (which lasts no longer than 5 years, but in justified cases can be extended), (2) production phase (25 years). Every entity interested in obtaining a concession needs to undergo the qualification procedure. We believe that this publication will contribute to better understanding of the offered tender areas and boosts the activity in the Polish oil and gas sector.