CO measurements in geothermal gases, its utilisation as geothermometer

This paper describes briefly the analytical determination of carbon monoxide in gas mixtures of geothermal origin and the state of the art of some practical applications of non-empirical geothermometric methods, using gas composition. Different models have been applied for the gases, using carbon monoxide concentration as the main tool. This methodology has been tested in selected thermal areas with different thermodynamic conditions in the reservoir.