Geothermal resource evaluation method and apparatus
A technology of geothermal resources and evaluation methods, applied in the field of geothermal resource evaluation, can solve the problem of insufficient certainty in the evaluation of geothermal resources utilization value, and achieve the effects of avoiding blindness, orderly development and utilization, and unique results.
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Embodiment 1
[0068] figure 1 It is a schematic flow chart of a geothermal resource evaluation method according to Embodiment 1 of the present invention; figure 1 As shown, this embodiment provides a geothermal resource evaluation method, which is suitable for geothermal resource evaluation in karst geothermal fields, including:
[0069] The analysis step 101 is to analyze various factors that affect the evaluation of geothermal resources in geothermal fields, and obtain the analysis results. Among them, the various factors include karst reservoir quality, caprock, geothermal gradient, geothermal field area, thermal storage depth and market demand. The results include the value of karst reservoir quality, cap rock, geothermal gradient, geothermal field area, thermal storage depth and market demand.
[0070] Specifically, the evaluation of geothermal resources for karst geothermal fields depends on the geological reserves of geothermal fields and market demand. Among them, the factors that ...
Embodiment 2
[0084] This embodiment is a supplementary description based on the above embodiments.
[0085] figure 2 It is a schematic flow chart of a geothermal resource evaluation method according to Embodiment 2 of the present invention; as figure 2 As shown, the present embodiment provides a geothermal resource evaluation method, and the analysis step 101 includes:
[0086] The quality analysis step 1011 of the karst reservoir is to divide the quality of the karst reservoir into five grades from poor to excellent, and assign a value to the quality of the karst reservoir, wherein the value of the quality of the karst reservoir ranges from 0.1 to 1 Between, the worse the quality of karst reservoir, the smaller the value of karst reservoir quality.
[0087] Specifically, according to the results of oil and gas and geothermal exploration, karst reservoirs are mainly developed in the Middle-Upper Proterozoic (Pt 2+3 ), Lower Paleozoic (Pz 1 ) and Archean (Ar) strata. A single karst g...
Embodiment 3
[0140] This embodiment is an embodiment of a device, which is used to execute the method in the first embodiment above.
[0141] image 3 It is a schematic structural diagram of a geothermal resource evaluation device according to Embodiment 3 of the present invention; as image 3 As shown, this embodiment provides a geothermal resource evaluation device, which is suitable for geothermal resource evaluation in karst geothermal fields, and includes: an analysis module, a calculation module and an evaluation module.
[0142] Among them, the analysis module is used to analyze various factors that affect the evaluation of geothermal resources in geothermal fields and obtain analysis results. Among them, various factors include karst reservoir quality, cap rock, geothermal gradient, geothermal field area, thermal storage depth and market Demand, the analysis results include karst reservoir quality value, cap rock value, geothermal gradient value, geothermal field area value, therm...
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