Conduction

Conduction

For geothermal applications, this refers to heat transfer in solids where thermal energy flows via microscopic-submicroscopic collisions of particles, which at a macro level is seen as solid-state diffusion. A vertical conductive thermal gradient is linear wherein temperature increases with increasing depth at a constant slope.

Geothermal Glossary

Word of the Week – Cement Bond Log

Word of the Week – Cement Bond Log

Cement Bond Log A geophysical well log that is obtained using a sonic-type tool on a wireline. The result helps to confirm the integrity of the hardened cement that was injected to form a bond between well casing and the adjacent rock formation.

Word of the Week – Chemical Geothermometer

Word of the Week – Chemical Geothermometer

Chemical Geothermometer A temperature that is calculated based on the chemical composition of a hydrothermal fluid and involves knowing a ratio (e.g., Na/K) or knowing the absolute concentration of a species (e.g., SiO2). Temperature is computed using a simple...

Word of the Week – Chlorite

Word of the Week – Chlorite

Chlorite A micaceous mineral that is commonly green-colored, composed of iron and/or magnesium, and forms due to hydrothermal alteration of amphiboles, pyroxenes, and feldspars.

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