At the Core – April 2021 Keep up to date on what is going on at Utah FORGE. Read about it in the...
Well Casing
Large diameter pipe that is assembled and inserted into newly drilled intervals of a well. The upper portions of a cased well are commonly cemented in place to provide a smooth internal bore, and prevent the inflow of water and/or collapse of the hole.
Geothermal Glossary
Word of the Week – Shear Fracture
Shear Fracture A pre-existing joint or fracture that accommodates shear displacement due to frictional slippage, wherein the rough surfaces on the fracture surface create permeability due to self propping.
Word of the Week – Silica Sinter
Silica Sinter Horizontally banded deposit of amorphous silica that precipitates around neutral pH hot springs that are close to boiling temperature.
Word of the Week – Slickwater
Slickwater Water that is injected during reservoir stimulation. It is modified with low concentrations of chemical additives, including polyacrylamide, that reduce friction and enhance fluid flow. Proppant (e.g., sand) is often added to help keep stimulated fractures...