Fig 1.
Geological cross-section of the Thar-rift in the southern part of the Indus Basin [21].
Fig 2.
Structural cross-section of SHAN-X1.
The rectangle in Chiltan Formation highlights the reservoir.
Fig 3.
Schematic of the doublet well system considered.
(A) Geometrical representation of doublet well system on the xy-plane (unit: m). (B) 3D sedimentary geothermal exploitation model (unit: m).
Table 1.
Actual geological parameters used for modeling.
Table 2.
Adopted parameters used for modeling [42].
Fig 4.
Evolution of the average outlet temperature assuming different inlet temperatures (unit: °C).
Fig 5.
Evolution of the average outlet temperature with different inlet pressures (unit: MPa).
Fig 6.
Evolution of the average outlet temperature with different distances (m) between the production and injection wells.
Fig 7.
Evolution of the outlet temperature and specific enthalpy throughout the 50-year study period.
Fig 8.
Evolution of heat production and power generation.
Fig 9.
Evolution of energy efficiency ηe and ηh.
Fig 10.
Evolution of matrix rock average temperature and overall heat recovery rate.
(A) Evolution of matrix rock average temperature with respect to time. (B) Evolution of overall heat recovery rate with respect to time.