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Geothermal Resource Potential of the Great Basin Province in Western Utah

Geothermal Resource Potential of the Great Basin Province in Western Utah. Mason Edwards Dept. of Geology & Geophysics University of Utah. (ecoki.com, 2010). Study Motivation. High ‘q’ (90 mWm -1 ). High Temperature at depth. Low ‘k’ basin fill. ( Henrikson , 2001). T.

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Geothermal Resource Potential of the Great Basin Province in Western Utah

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  1. Geothermal Resource Potential of the Great Basin Province in Western Utah Mason Edwards Dept. of Geology & Geophysics University of Utah (ecoki.com, 2010)

  2. Study Motivation High ‘q’ (90 mWm-1) High Temperature at depth Low ‘k’ basin fill (Henrikson, 2001)

  3. T Determining Heat Flow & Temperature q0 T0 T1 T2 z k1 q = k ∇T Fourier’s Law: k2 Δzi Σ T(z) = T0 + q0 ki • Case 1: • q0 = 90 mWm-2 • z1 = 2 km • T0 = 10 °C • k1 = 3 Wm-1K-1 • Case 2: • q0 = 90 mWm-2 • z1 = 2 km • T0 = 10 °C • k1= 1.5 Wm-1K-1 T(2 km) = 130°C T(2 km) = 70 °C

  4. Measuring Thermal Conductivity • Divided Bar Method • Known Standard ‘k’ • Measured Temperatures • No Lateral Heat Loss k1 ΔT1 l1 Th ΔT1 ΔT2 q1 = k1 lsample Sample Cell T1 ΔT2 l1 lsample T2 Tc qsample = ksample ΔT3 k3 l3 q1 = qsample ΔT1 lsample ksample = k1 ΔT2 l1

  5. Questions?

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