Kierunki badań regionalnych wału pomorskiego i przyległych niecek pomorskiej i szczecińskiej w aspekcie poszukiwań złóż węglowodorów
Abstract
DIRECTIONS IN FURTHER REGIONAL SURVEYS WITH REFERENCE TO OIL AND GAS PROSPECTING IN THE POMERANIAN SWELL AND ADJOINING PARTS OF THE POMERANIAN AND SZCZECIN BASINS
Summary
The Pomeranian Swell and adjoining parts of the Pomeranian and Szczecin Basins nowadays represent one of the major oil- and gas-bearing areas in Poland. Oil reservoirs have been found here in the Main Dolomite (Zechstein), gas reservoirs - in the Carboniferous and Rotliegendes, and a small oil accumulation - in the Platy Dolomite (Zechstein). Devonian and Zechstein Limestone strata are here assumed to be of hydrocarbon potential and those of the Lower Triassic and Upper Jurassic - to yield small gas reservoirs. The search carried out by the Oil Industry was primarily concentrated in the coastal region, from Szczecin to Kołobrzeg. The regional surveys, carried out to the south of this region by the Geological Institute, should be continued, being especially aimed at recognition of the pre-Zechstein strata. The results hitherto obtained make it possible to outline two major research projects. One of them is connected with survey of south- western part of the Pomeranian Swell and adjoining limb of the Szczecin Basin, especially in the proximity of the Variscan front, where it may be possible to encounter coal-bearing Lower Westphalian and also Namurian strata which had some chances to escape erosion there. The other problem involves the study of north-eastern part of the Swell and adjoining Pomeranian Basin, mainly from the point of view of surveys of perspective sandstone and limestone horizons in the Frasnian and Givetian as well as Rotliegendes sandstones, sealed from above by the Zechstein. In presenting these directions of further studies, attention is paid to the possibilities of discovery of large gas accumulations in the Rotliegendes and Upper Carboniferous, and significant oil fields in the Upper and Middle Devonian.
Summary
The Pomeranian Swell and adjoining parts of the Pomeranian and Szczecin Basins nowadays represent one of the major oil- and gas-bearing areas in Poland. Oil reservoirs have been found here in the Main Dolomite (Zechstein), gas reservoirs - in the Carboniferous and Rotliegendes, and a small oil accumulation - in the Platy Dolomite (Zechstein). Devonian and Zechstein Limestone strata are here assumed to be of hydrocarbon potential and those of the Lower Triassic and Upper Jurassic - to yield small gas reservoirs. The search carried out by the Oil Industry was primarily concentrated in the coastal region, from Szczecin to Kołobrzeg. The regional surveys, carried out to the south of this region by the Geological Institute, should be continued, being especially aimed at recognition of the pre-Zechstein strata. The results hitherto obtained make it possible to outline two major research projects. One of them is connected with survey of south- western part of the Pomeranian Swell and adjoining limb of the Szczecin Basin, especially in the proximity of the Variscan front, where it may be possible to encounter coal-bearing Lower Westphalian and also Namurian strata which had some chances to escape erosion there. The other problem involves the study of north-eastern part of the Swell and adjoining Pomeranian Basin, mainly from the point of view of surveys of perspective sandstone and limestone horizons in the Frasnian and Givetian as well as Rotliegendes sandstones, sealed from above by the Zechstein. In presenting these directions of further studies, attention is paid to the possibilities of discovery of large gas accumulations in the Rotliegendes and Upper Carboniferous, and significant oil fields in the Upper and Middle Devonian.