Villa, R.R. Jr., <strong>and</strong> Salonga, N.D., 2000: Corrosion <strong>in</strong>duced by steam condens<strong>at</strong>es <strong>in</strong> Upper Mahio pipel<strong>in</strong>e, Leyte, Phillip<strong>in</strong>es. Proc. of World Geothermal Congress 2000, Kyushu-Tohuku, Japan, 5, 3335-3340. Villa,R.R.,Jr., Alcober, E.H., Paraon, V.J.R., <strong>and</strong> Talens,M.A., 2001: Corrosion r<strong>at</strong>es <strong>in</strong> different condens<strong>at</strong>e l<strong>in</strong>es of Leyte geothermal production field,Philip<strong>in</strong>es. Proc.of 22 nd Annual PNOC.EDC Geothermal Conference, Manila, Philipp<strong>in</strong>es, 239-245. Weisberg, B.G., Browne, P.R.L., <strong>and</strong> Seward, T.M., 1979: Ore metals <strong>in</strong> active geothermal systems; In: Barnes, H.L. (ed), Geochemistry of hydrothermal ore deposits (2 nd Edition). Wiley Interscience, 738-780. Weres, O., <strong>and</strong> Tsao, L., 1981: Chemistry <strong>and</strong> Silica <strong>in</strong> Cerro Prieto br<strong>in</strong>es. Geothermics, 10, 255-276. Yakoyama T., Takahashi, Y., Yamanaka, C., Tarutani., 1989: Effect of alum<strong>in</strong>ium on the polymeris<strong>at</strong>ion of silicic acid <strong>in</strong> aqueous solution <strong>and</strong> the deposition of silica. Geothermics, 18, 321- 326. Yanagase,T., Sug<strong>in</strong>ohara, Y., <strong>and</strong> Yanagase, K., 1970: The properties of scales <strong>and</strong> methods to prevent them. Proc. U.N. Symp. Devel. Util. Geother. Res., Pisa, Geothermics, 2, 1619-1623. Zang, <strong>and</strong> Dawe, R.W., 1998: The K<strong>in</strong>etics of calcite precipit<strong>at</strong>ion from high sal<strong>in</strong>ity w<strong>at</strong>er. Appl. Geochem., 13, 177-184. Zarouk, S.J., 2004: External cas<strong>in</strong>g corrosion <strong>in</strong> New Zeal<strong>and</strong>’s Geothermal Fields. Proc. of the 26 th New Zeal<strong>and</strong> Geothermal Workshop, Auckl<strong>and</strong>. 56
APPENDIX A: Tables with analyses, calcul<strong>at</strong>ion etc 57
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GEOTHERMAL TRAINING PROGRAMME Repor
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INTRODUCTION The Geothermal Trainin
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ABSTRACT The Olkaria geothermal sys
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Page 9. CONCLUSIONS ...............
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1. INTRODUCTION For many countries
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deposition does not occur at depth
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- Page 15 and 16: the Western Sectors. The Olkaria II
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- Page 19 and 20: 3. SAMPLING AND ANALYSIS 3.1 Sample
- Page 21 and 22: 4. FLUID COMPOSITIONS The compositi
- Page 23 and 24: 5. CALCULATION OF AQUIFER FLUID COM
- Page 25 and 26: increases the difference in tNaK -
- Page 27 and 28: The procedure for calculating aquif
- Page 29 and 30: Concentrations of CO 2 at equilibri
- Page 31 and 32: High concentrations of HCl can be g
- Page 33 and 34: variation in chloride concentration
- Page 35 and 36: A 240°C a steam cap overlies the l
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- Page 39 and 40: where it passes through mist elimin
- Page 41 and 42: Coupon holder loosened the screws a
- Page 43 and 44: Coupon # 20 (Re-injection well): A
- Page 45 and 46: 1900 1800 C #10 Well NJ-14 1700 160
- Page 47 and 48: 0,3 13 Weeks (06-07-2005 to 14-10-2
- Page 49 and 50: 8. EVALUATION OF SCALES DEPOSITED A
- Page 51 and 52: atmospheric pressure. The results d
- Page 53 and 54: The IR spectra of scale samples #1
- Page 55 and 56: 9. CONCLUSIONS Olkaria well fluids
- Page 57 and 58: REFERENCES Allegrini, G., and Benve
- Page 59 and 60: D’Amore, F., Truesdell, A.H., and
- Page 61 and 62: Hurtado, R., Andritsos, N., Mouza,
- Page 63: Saemundsson, K., and Fridleifsson,
- Page 74: APPENDIX C: Analyses of scales and
- Page 80 and 81: Spectra for scales from coupon # 16
- Page 82 and 83: Spectra for Olkaria OW-34 scale # 1