temperature and pressure in the svartsengi ... - Orkustofnun

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82ACKNOWLEDGEMENTSThe author would like to take th i s opportunity inexpressIng his gratItude to the United Nations UniversItyfor awarding the fellowship and the National EnergyAuthority of Iceland for creatIng the learn1ng situat i on.The active help and constant encouragement of the ProjectCoordinator of the UNU. Dr. Ingvar Sirs!r Frldlelfsson.and the continuous supervision and instruction of theDeputy Director of the Geothermal Division of the NEAtDr. Valgardur Stefansson. without whom this report wouldnot have been a possibility . Is highly apprecIated.The rich experience imparted by the teaching staff of theUNUis acknowledged.Special thanks are given to the geophysical logging teamfor giving the author practical instruction on the variouslogging applications used in Iceland.The author is also grateful to Benedikt Steingrimsson forcarefully reading the manuscript and giving valueablesuggestions, to Steinar Thor Gudlaugsson and Hel gaTulinius for introducing him to the computer softwarefacilities, to Gudjon Gudmundsson for collecting some ofthe measurements . to Audur Agustsdottir for drafting manyof the figure s and to all the Icelanders who made his workand life in Iceland more meaningful.Last but not least the author would like to thank SigurjonAsbjornssonwork.for creating a conducive atmosphere for the
83REFERENCESArnason, B .• 1976: Groundwater systems In Iceland tracedby deuterium, Soc. Se!. Islandlca. v. 42, 236 pp.Bjornsson, G •• 1983: The power plant at Svartsengi,Technical features and operating experiencePresented at The World Bank In Washington DC,June 28,1983, 21 pp.Ellasson, J., 1973: Convective ground water flow. Instituteof Hydrodynam i cs and Hydraulic Engineering. TechnicalUniversity of Denmark. Series Paper 3.El ias s on, J. t S. St . Arnalds and S.P. Kjaran, 1977:Svartsengi. Straumfraedileg rannsokn a jardhitasvaedi.Orkustofnun, report OS ROD 7718, OS SFS 7702.Franzsson. H •• 1983: The Svartsengl high-temperatur e field,Iceland. Subsurface geology and a l teration: GeothermalResources Council Transactions. 7. 1~1 - 1~5Franz s son. H .. 1983: Svartsengi. hola SG - 12. Borun.jardlog. ummyndun og vatnsaedar. OS - 83003/JHD- 02. 55 pp.Georgsson. L .• 1981: A resistivity su r vey in the plateboundar1es 1n the western Reykjanes peninsula.Iceland. Geothermal Resources Cou nc11 Transact10ns,5, 75 -78.Geo r gsson. L. and Tul1n1us H .• 1983: V1dnamasmael1ngar autanverdum Reykjanesskaga 1981 og 1982. Or kustofnunreport OS-83049/JHD- 09, 70 pp.Grant. M .• Donaldson. loG. and B1xles P.F .• 1982: GeothermalReservo1r Engineering. Academ1c Press, New York.369 pp.
Page 1:
TEMPERATURE ANDPRESSURE INTHE SVART
Page 5 and 6:
5LIST OF CONTENTSPag eABSTRACT ....
Page 7 and 8:
7Fig. 5 Conceptual flow model from
Page 9 and 10:
9Fig.32 Svartsengi well SG-l0. Pres
Page 11 and 12:
111 INTRODUCTION1.1 Scope of the re
Page 13 and 14:
1 3to the former (Georgsson. 1981;
Page 15 and 16:
u JHD - BJ~2300 HF,83.05.0702 AAI>-
Page 17 and 18:
1 72.3 Resistivity studies of the f
Page 19 and 20:
1 9Fresh water is pumped from shall
Page 21 and 22:
... T [IIKFII€9ISlOFoVI VII2.O
Page 23 and 24:
2 3~ JHO-HSP - 2300 G9~ 83.091236 A
Page 25 and 26:
25commissioned. Well SG - 7 was dri
Page 27 and 28:
27~ J H D-HS~ - 9 0 00 Gl:iL.J::..J
Page 29 and 30:
293.2 Temperature elementThe bourdo
Page 31 and 32: SVARTSENG I ,WEL L SG-1SVAR TSENG I
Page 33 and 34: 33temperature at the bottom of the
Page 35 and 36: -".(!)'W (!)rJ)rJ)fa...J WrJ) 3-"
Page 37 and 38: SVARTSENGIWELL SG-5SVARTSENGIWELL S
Page 39 and 40: SVARTSENGIWELL SG-6SVARTSENGIWELL S
Page 41 and 42: SVARTSENGI\JELL SG-7SVARTSENGIwELL
Page 43 and 44: 430NNN~~•-••;;• •~0l•0
Page 45 and 46: 45pressure profiles in Fig. 32. In
Page 47 and 48: 47N,~• ~, •8 •"•a'i:i•L-N
Page 49 and 50: ;-r-::I J HO - HS" - 2 300 Gq\//Ll:
Page 51 and 52: EI]JHO-HSI> . 2300 GGI 83.08.1020 A
Page 53 and 54: 53reservoir during 1976- 1981 Is fr
Page 55 and 56: 55~ JHD-HSP-2300 GC!L...C.J 83.08.1
Page 57 and 58: 575.1.~ Cross-section DIt is an E-W
Page 59 and 60: 59rnJHO-HSI:>-Z300 GG.83 .08 .1010
Page 61 and 62: I"jT'=I~ HD-H S P - 2 500 GC;L..t.J
Page 63 and 64: time , but the change in temperatur
Page 65 and 66: f"i'T"':lJHO~HSP-2]OO GGL.:..L...J
Page 67 and 68: 67r;r.:I~HO ·Hs~-noo GGL.:..J::J l
Page 69 and 70: 69["j'T'=l JHO·HS ~- 2.100 GGL.:..
Page 71 and 72: 7 1r,r::l JHO-HS P- 2 300 GG~ a3 .
Page 73 and 74: 73~ JHD·HSJ> · 2300 GOt..:J:.J 83
Page 75 and 76: 75rn JHD·HS~-2300GG83.09.1274 A"AS
Page 77 and 78: 777 CAUSES OF TEMPERATURE CHANGESEx
Page 79 and 80: 797.4 Decreased lateral inflow of h
Page 81: 818 CONCLUSIONS1. The Svartsengl re
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