Please use this identifier to cite or link to this item: http://repositorio.ineel.mx/jspui/handle/123456789/139
Chemical and mineralogical characterization of sulfide scales in well 624 from Cerro Prieto geothermal field and Its reactivity in HCl
GEORGINA IZQUIERDO MONTALVO
ALFONSO ARAGON AGUILAR
ENRIQUE PORTUGAL MARIN
JESUS PORCAYO CALDERON
Acceso Abierto
Conferencia
Inglés
2012
Chemical and mineralogical characterization of sulfide scales, formed in well 624 from the CP II sector of the Cerro Prieto geothermal field, was carried out by reflected light microscopy, X-ray diffraction and scanning electron microscopy. Samples come from a depth of 551 m, 1765 m, 2155 m and 2355 m. Scale samples consist of chalcopyrite, sphalerite, galena, bornite, cubanite, chalcocite and covellite. Chalcopyrite is the dominant phase in all samples. Electron microscope analyses indicate sphalerite and galena intergrowths in chalcopyrite. The proportions of the minerals assemblages do not show relation to the well temperature. In order to determine the solubility of sulfide scales in an acidic media, samples were treated in 10% hot HCl.
http://repositorio.ineel.mx/jspui/handle/123456789/139
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