Journal of Geotechnology and Energy
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ISSN 2720-3581
Issue Date
2021
Volume
Vol. 38
Number
No. 2
Description
Journal Volume
Journal of Geotechnology and Energy
Vol. 38 (2021)
Projects
Pages
Articles
The potential use of a Dräger X-am 8000 portable multi-gas detector for monitoring explosive gases in the area of historical oil and gas fields in the podkarpackie region
(AGH University of Science and Technology Press, 2021) Maruta, Michał
The oldest oil basin in the world is located in the Polish Carpathians. Former mines, often abandoned, have become technical monuments. The growing popularity of industrial tourism in the world and in Poland attracts more and more tourists who want to »find oil« on their own. In most cases, these are abandoned crude oil and natural gas fields, with such places associated with the risk of poisoning, ignition or explosion of escaping gases from unprotected crude oil fields or borehole outlets. The article also highlights the heritage of oil mining in the Polish Carpathians and related cultural routes. The author focuses on the issue related to the occurrence of the hazard zone of hydrogen sulphide poisoning or methane explosion in the sites of old oil fields. It presents the possibility of using the Dräger X-am 8000 portable multi-gas detector as a personal device for monitoring the concentration of gases and vapours considered toxic and/or explosive, such as methane or hydrogen sulphide. It also proposes the use of the Dräger X-am 8000 multi-gas detector, which in combination with the Dräger X-site Live real-time area monitoring module, can serve as a mobile system for short- or long-term monitoring of the above-mentioned zones.
Elements of reservoir simulation for tight gas reservoirs with water influx
(AGH University of Science and Technology Press, 2021) Sowa-Zyzańska, Magdalena
At present, gas obtained from unconventional deposits plays an important role in the global economy as an energy factor. The simulation of the exploitation of this type of deposits is very complex and requires an individual approach for each case, which is extremely inspiring and interesting, therefore this article attempts to deal with the problem of modeling the extraction of natural gas from tight unconventional deposits. Extraction of tight gas requires the use of measures that stimulate this process and requires an unusual approach both at the stage of deposit recognition, its drilling and exploitation. Using computer programs, more and more accurate models are developed taking into account almost all known processes occurring in the deposits during exploitation, which significantly influences the better selection of parameters of wells and operations that intensify the production, and thus improves the results of exploitation.
Performance analysis of a horizontal well located in an underground gas storage facility
(AGH University of Science and Technology Press, 2021) Zyzański, Paweł Grzegorz
Natural gas is the most ecological fossil fuel thanks to lower $CO_{2}$ emissions and no dust pollution, hence it is included into raw materials beneficial from the point of view of environmental protection. Natural gas is extracted from deposits often located at great depths by means of both vertical and horizontal drilling, characterised by high efficiency in terms of obtaining the highest possible productivity, which will allow the existing resources of the deposit to be exploited in the shortest possible time. The paper analyses the influence of factors such as reservoir pressure, the thickness of the reservoir, the length of a horizontal section, average permeability of a reservoir, turbulence coefficient and water exponent on the process of lifting a liquid phase during the operation of a horizontal well located in an underground gas storage facility. The calculations were carried out using data concerning exploitation of the »B« natural gas field and conducted using the »IHS PERFORM« computer programme, which is the leading industry software for carrying out analyses of productivity changes in gas wells. In the final part of the article, conclusions are given, summarising the results of the nodal analysis reservoir performance curve (IPR) and well throughput curve (VLP).