At the Core – October 2021 Keep up to date on what is going on at Utah FORGE. Read about it in the...
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.
Geothermal Glossary
Word of the Week – PDC Drill Bit
PDC Drill Bit Polycrystalline diamond compact drill bits have been long used in oil and gas drilling, and only recently have they been used in geothermal drilling. The PDC cutters are known for their resistance to wear and impact, including hot crystalline rock. They...
Word of the Week – Peak Load Generation
Peak Load Generation The amount of power required to maintain an electric grid for short-lived periods (e.g., morning, late afternoon and evening) in response to high demand. Thermal power plants that burn natural gas and hydroelectric dams are two common modes of...
Word of the Week – Perforation
Perforation The process of punching holes through the steel casing liner in a well in order to inject fluid into or produce fluid out of the reservoir rock. Perforations are achieved through deployment of a perforation gun, which is a string of explosive charges.