Miklos Antics

Miklos Antics
GPC IP

PhD in Petroleum Engineering

About

28
Publications
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145
Citations

Publications

Publications (28)
Conference Paper
Geothermal District Heating (GDH) doublets in the Central part of the Paris Basin, particularly in the Capital City suburban areas, face two major concerns: The replacement of aging and declining, when not damaged, well infrastructures and productive/injective capacities; GDH doublets density, approaching overpopulation in some areas, which limits...
Conference Paper
Full-text available
In France, heating networks are largely dependent on fossil fuels (42%), and deep geothermal energy represents less than 5% of the energy mix of heating networks. Deployment of geothermal energy in large cities is limited by a geological risk, difficult to predict. This risk constitutes an obstacle to the future development of geothermal energy in...
Technical Report
Full-text available
This document provides the specifications for the application of the United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources 2009 (UNFC-2009) incorporating Specifications for its application to geothermal resources. The intended use of this document is in conjunction with UNFC-2009 and the Specifications for the...
Article
Full-text available
By convention, low to medium enthalpy geothermal resources, eligible to geoheat and cold and combined heat and power production, are classified according to depth. Shallow geothermal sources supply heat and/or cold via surface heat pumps and either borehole heat exchanger or groundwater doublet systems. Deep seated geothermal deposits address large...
Conference Paper
The paper focuses on the geochemical aspects of geothermal heat exploitation and more specifically on dissolution and precipitation reactions within the reservoir. Data sets of reservoir and brine compositions, borrowed to actual (carbonate and clastic) reservoir and fluid environments are therefore imported into TOUGHREACT to model the geochemical...
Article
The present paper addresses the thermochemical impact of the injection of heat depleted brines into the source reservoir, exploited by means of the doublet concept of heat extraction widely used in geothermal district heating (GDH) undertakings. Maximizing heat production requires to increase heat depletion i.e. to minimize injection temperatures....
Conference Paper
Injection of cooled formation brines and imported waters is currently practiced by geothermal and petroleum operators for waste disposal/heat recovery and water flooding purposes respectively. If not carefully designed and thoroughly monitored, water injection may turn to disaster as a result of permeability impairment caused by water (formation vs...
Conference Paper
Full-text available
Three-dimensional modelling of geologic structures is routinely applied in petroleum and, at a lesser extent though, in geothermal engineering and has proven an efficient tool in investigating complex tectonic and lithological environments. In geothermal development it is often utilised for 3D temperature modelling and well siting, the latter in co...
Article
Full-text available
The Paris Basin is extensively developed for the geothermal district heating (GDH) of approximately 150 000 dwellings. As of late 2010, thirty four GDH systems apply the doublet concept in the Paris suburban area and mine the heat of the Dogger reservoir, a limestone formation of Mid-Jurassic age at depths ranging from 1500 to 2000 m. As the brine...
Article
As of 2010, the geothermal community scored a 10,715 MWe and 50,583 MWt geopower and geoheat capacities installed worldwide of which 1,300 MWe and 10,000 MWt located in Europe (including Iceland and Turkey). EGEC (European Geothermal Energy Council) set targets at 5,000 MWe and 25,000 MWt respectively. Figures assessed from authorised energy instit...
Article
Full-text available
The non-renewability, at human time scale, of geothermal energy sources arises the problematic of reservoir longevity and sustainable mining of heat in place. Clearly, well and reservoir life are the core of sustainable development and management strategies. These key issues are reviewed and discussed in the light of pertinent methodologies among w...
Article
Full-text available
Within the renewable energy spectrum, geothermal heat deserves a special statute. Contrary to solar, wind and tidal, geothermal energy is not an inexhaustible energy source. Quoting Henry J. Ramey Jr. (1987), commenting, in a historic overview (*), on the fact that geothermal fluids were of meteoric origin and geothermal systems subject to transfer...
Article
Full-text available
The present paper addresses the development and management of large geothermal district heating grids exploiting, since the late 1960s - early 1970s, a dependable carbonate reservoir located in the central part of the Paris Basin, France. The geothermal reservoir consists of a hot water aquifer, of regional extent, hosted by Dogger pervious oolithi...
Technical Report
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Etude réalisée dans le cadre des opérations de Service public du BRGM 2003 CDG 57
Technical Report
Full-text available
Conception et réalisation de la base de données Collecte de l'ensemble des données historiques. Étude réalisée dans le cadre des opérations de Service public du BRGM 2003 19532
Article
Exploration for geothermal resources began in Romania in the early 1960s, based on a detailed geological exploration program for hydrocarbon resources that had a capacious budget and enabled the identification of eight geothermal areas. Over 200 wells drilled to depths between 800 and 3500 m have indicated the presence of low-enthalpy geothermal re...
Article
Full-text available
This paper reviews the problems of incorporating existing geothermal wells and associated direct uses into a cogeneration grid supplying heat (space heating and domestic sanitary-tap-hot water (SHW) to the City of Oradea fed by two combined heat and plants, since the early 1960's. Thermal energy consumption in 1997, in the City of Oradea, for heati...
Article
Full-text available
The Madrid area enjoys one of the most favourable geothermal environments identified to date in Spain. Geologically, it belongs to the Tajo sedimentary basin, o which it occupies its uppermost northern part. Its main hot aquifer unit consists of a thick multilayered sequence of tertiary detritic, consolidated, sandstones overlying a Mesozoic baseme...
Article
Full-text available
The well from the University of Oradea campus is a typical low enthalpy geothermal well, about 3,000 m deep, 80÷85°C wellhead temperature, and multiple feed zones. A 3-D numerical model has been defined and used to simulate the heat transfer and the hydro- thermodynamic processes in the well and in the surrounding rock along the entire well. The pa...
Article
Full-text available
The University of Oradea had a research program on power generation from low enthalpy geothermal energy, before it became a partner in the LOW-BIN project, in which it is intended to build two demonstration units for power generation using geothermal water with about 85°C and slightly over 100°C. For this reason, it was considered interesting to bu...
Article
Full-text available
Geothermal reservoir modelling is a technology that has become standard over the past decade in Eastern Europe. If sufficient information is available on a geothermal field, it is often possible to construct numerical models of the reservoir and use these models to simulate field performance under a variety of conditions. Perhaps the most important...
Article
Full-text available
Currently efficient re-injection in sandstone reservoirs located in the Pannonian Basin is practiced on limited scale due to restricted design/demonstration experience in the area. The selected sites are located in SE Hungary and thus, from a geological point of view, in the central part of the Pannonian Basin, a group of lowlands and subdued mount...
Article
Full-text available
Given that geothermal sources cannot be regarded as renewable, but exhaustible instead, heat mining prevails in any exploitation undertaking whatsoever. Optimum heat recovery, pressure maintenance and waste disposal concerns make (re)injection of the heat depleted brine into, preferably, the source reservoir a major engineering and environmental co...
Article
Full-text available
Exploration for geothermal resources began in Romania in the early 1960's, arising from a hydrocarbon research program, which, as an unexpected benefit, also identified eight promising geothermal areas. Within these areas, over 200 wells, drilled to depths between 800 and 3,500 meters, showed the presence of low enthalpy geothermal resources (40-12...

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Project (1)
Project
The subhorizontal well concept stands as a substitute to the multilateral oil and gas well design aiming at intersecting, via single drain path, all productive intervals hosted by a multi-layered sedimentary reservoir.