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Sökning: WFRF:(Lindström Sofie) > Stratigraphy and ge...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004381naa a2200349 4500
001oai:lup.lub.lu.se:e6acde4a-baae-4448-95f7-38d03ffdeaeb
003SwePub
008190528s2018 | |||||||||||000 ||eng|
0247 a https://lup.lub.lu.se/record/e6acde4a-baae-4448-95f7-38d03ffdeaeb2 URI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
1001 a Erlström, Mikaelu Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science,Geological Survey of Sweden4 aut0 (Swepub:lu)geol-meo
2451 0a Stratigraphy and geothermal assessment of Mesozoic sandstone reservoirs in the Öresund Basin - exemplified by well data and seismic profiles
264 1c 2018
300 a 28 s.
520 a The Øresund Basin in the transnational area between Sweden and Denmark forms a marginal part of the Danish Basin. The structural outline and stratigraphy of the Mesozoic succession is described, and a novel interpretation and description of the subsurface geology and geothermal potential in the North Sjælland Half-graben is presented. The subsurface bedrock in the basin includes several Mesozoic intervals with potential geothermal sandstone reservoirs. Parts of the succession fulfill specific geological requirements about distribution, composition and quality of the sandstones. A characterisation of these is presently of great interest in the attempt to identify geothermal reservoirs suitable for district heating purposes. The results presented in this paper include for the first time a comprehensive description of the stratigraphic intervals as well as the characteristics of the potential Mesozoic geothermal reservoirs in the Øresund region, including their distribution, composition and physical properties. This is illustrated by seismic cross-sections and well sections. In addition, results from analyses and evaluations of porosity, permeability, formation fluids and temperature are presented. Six potential geothermal reservoirs in the Mesozoic succession are described and assessed. Primary focus is placed on the characteristics of the reservoirs in the Lower Triassic and Rhaetian–Lower Jurassic succession. The study shows that the Mesozoic reservoir sandstones vary considerably with respect to porosity and permeability. Values range between 5–25% for the pre-Rhaetian Triassic sandstones, but are commonly > 25% for the Rhaetian–Lower Jurassic and Lower Cretaceous sandstones. The corresponding permeability rarely reaches above 500 mD for the pre-Rhaetian Triassic reservoirs, but often reach >1 Darcy for the Rhaetian–Lower Jurassic and the Lower Cretaceous sandstones. The interpreted formation temperatures for the reservoirs in the Øresund Basin are: 45–50°C at 1500 m, 60–70°C at 2000 m and 70–90°C at 2500 m depth . The combined results provide a geological framework for making site specific predictions regarding appraisal of viable geothermal projects for district heating purposes in the region as well as reducing the risk of unsuccessful wells
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Geofysik0 (SwePub)105052 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Geophysics0 (SwePub)105052 hsv//eng
7001 a Booldreel, Lars-Oleu University of Copenhagen4 aut
7001 a Lindström, Sofieu Geological Survey of Denmark and Greenland, Copenhagen, Denmark4 aut
7001 a Andersen, Morten Sethu Geological Survey of Denmark and Greenland, Copenhagen, Denmark4 aut
7001 a Kristensen, Larsu Geological Survey of Denmark and Greenland, Copenhagen, Denmark4 aut
7001 a Mathiesen, Andersu Geological Survey of Denmark and Greenland, Copenhagen, Denmark4 aut
7001 a Kamla, Elinau GEO Copenhagen4 aut
7001 a Nielsen, Lars-Henriku Geological Survey of Denmark and Greenland, Copenhagen, Denmark4 aut
7102 a Berggrundsgeologib Geologiska institutionen4 org
7730 t Bulletin of the Geological Society of Denmarkg 66, s. 123-149q 66<123-149x 0011-6297
8564 u https://2dgf.dk/xpdf/bull66-123-149.pdfx freey FULLTEXT
8564 8u https://lup.lub.lu.se/record/e6acde4a-baae-4448-95f7-38d03ffdeaeb

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