Geothermal Fluid Propene and Propane: Indicators of Fluid

Abstract

The use of fluid inclusion gas analysis
propene/propene ratios is investigated. Ratios of
these species are affected by geothermal fluid
temperature and oxidations state. Our purpose is to
determine if analyses of these species in fluid
inclusions these species to can be used to interpret
fluid type, history, or process. Analyses were
performed on drill cuttings at 20ft intervals from four
Coso geothermal wells. Two wells are good
producers, one has cold-water entrants in the
production zone, and the fourth is a non-producer.
The ratios show distinct differences between
producing and the nonproducing wells. Propane-dominate
fluids are associated with cool water
entrants.