Photo by Jennifer Boyer: Geothermal Greenhouses in Hveragerði, Iceland. Geothermal Greenhouses: A...
Flowback
Return flow of slickwater that was injected during a stimulation. This is a highly controlled process in which well head pressure is reduced to allow managed fluid recovery. Fluids are commonly sampled and chemically analyzed to determine the effects of injection and stimulation in the reservoir.
Geothermal Glossary
Word of the Week – Geochemical Tracer
Geochemical Tracer An environmentally benign chemical that is injected to trace fluid movement through the geothermal reservoir and that can be easily detected in produced hot fluid.
Word of the Week – Geothermal Gradient
Geothermal Gradient The increase in temperature with depth below the surface, usually reported in units of °C/km.
Word of the Week – Geyser
Geyser A rare type of hot spring that periodically discharges a fountain of hot water and steam (or sometimes just gas).