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Assessment of sedimentary geothermal reservoirs in Dezhou, China and Galanta, Slovakia

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Titill: Assessment of sedimentary geothermal reservoirs in Dezhou, China and Galanta, SlovakiaAssessment of sedimentary geothermal reservoirs in Dezhou, China and Galanta, Slovakia
Höfundur: Fengxin, Kang ; Jarðhitaskóli Háskóla Sameinuðu þjóðanna
URI: http://hdl.handle.net/10802/23422
Útgefandi: United Nations University; Orkustofnun
Útgáfa: 2000
Ritröð: United Nations University., UNU Geothermal Training Programme, Iceland. Report ; 2000:8
Efnisorð: Jarðhiti; Jarðhitarannsóknir; Jarðhitasvæði; Setlög; Jarðfræði; Kína; Slóvakía
ISSN: 1670-7427
Tungumál: Enska
Tengd vefsíðuslóð: http://www.os.is/gogn/unu-gtp-report/UNU-GTP-2000-08.pdf
Tegund: Bók
Gegnir ID: 001516445
Athugasemdir: Myndefni: kort, línurit, töflur.
Útdráttur: Sedimentary geothermal reservoirs are characterized by large areas, homogeneous aquifers, quite productive wells and great energy potential. Effective methods for sedimentary geothermal reservoir assessment are reviewed along with operational options for geothermal reservoir management with respect to sustainable production of geothermal water. The Dezhou reservoir in China and Galanta reservoir in Slovakia are presented as examples. The Dezhou geothermal system is a typical sedimentary sandstone reservoir, located in an alluvial plain dominated by the Yellow River in China, which is part of the North China Sedimentary Basin. It is an extensive, almost horizontal, highly permeable, low-temperature reservoir. Two successful production wells (DR1 and DR2), with temperatures between 46 and 58°C at depths from 1490 to 1530 m, have been drilled into the reservoir. The properties and parameters of the reservoir are estimated from interpretation of well test data. On the basis of these data, the production potential of the Dezhou reservoir has been estimated ....


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