Did you know… that Reykjavík is a city of geothermal energy? Did you know that the city of...
Directional Drilling
The practice of steering the trajectory of a well during drilling from vertical to a deviated angle, including horizontal drilling used for oil and gas production from poorly permeable rocks. Directional drilling may also be used to maneuver around obstructions or to drill beneath areas that are inaccessible on the surface.
Geothermal Glossary
Word of the Week – Vadose Zone
Vadose Zone A hydrogeological term that represents the volume of rock and unconsolidated materials between the ground surface and the underlying water table, in which pores and cracks are filled or partially filled with air.
Word of the Week – Vapor-Dominated Reservoir
Vapor-Dominated Reservoir he highest grade of geothermal resource in which self-flowing wells produce dry steam from a reservoir containing a mixture of hot water and steam. Larderello, Italy and The Geysers, California, USA are examples, and they are extremely...
Word of the Week – Wairakite
Wairakite A zeolite mineral of hydrothermal origin that was first identified in the Wairakei geothermal field in New Zealand by Alfred Steiner. It forms clear to white prismatic crystals, which have a distinctive cross hatched twinning, and it is commonly associated...