Author:
Starodub Y.P.,Karpenko V.M.,Havrys A.P.,Behen D.A.
Abstract
The article presents an idea of the project that defines the development of a geothermal power plant methodology based on a single isolated well. It is planned to develop a technical and economic rationale and geological and geophysical aspects of the development of geothermal energy and to obtain data on deposits of geothermal water in the deep.
Extraction of heat from hot rocks at the pits is to be carried out using a special energy carrier, construction of the operating column, and circulation mode.
To create a model in the project, a well is needed with a depth of 4,702 m, temperature at the bottom of 130 °С, an unperforated casing string with a diameter of 245 mm to a depth of 4,500 m, and no formation fluids.
The transfer and transformation of the energy carrier by the working body into electric and hydrogen energy is maintained by ORC (Organic Rankine Cycle).
The development of the methodology includes two stages:
The first stage of the project involves legal preparation at the local and state levels for the use of the land plot and technical means of the drilled well and obtaining licenses and permits for the implementation of the project. It is planned to develop a technical and economic feasibility study for the construction of a geothermal electric station that will generate electricity and hydrogen energy for consumers.
The second stage of the project involves the technical preparation of the well for its use as part of a geothermal power station. Remediation of the well to a depth of 4,500 m is foreseen, as well as the implementation of industrial geophysical studies of the technical condition of the unperforated casing string; conducting preliminary geothermal studies on the stability and thermal productivity of hot rocks.
The authors intend to use results in the oil-and-gas industry, which has deep wells that have completed their purpose for hydrocarbon extraction, as well as in the nuclear, metallurgical, chemical, and many other fields.
Publisher
Institute of Geophysics of the National Academy of Sciences of Ukraine by S.I. Subbotin name
Cited by
1 articles.
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