Pinka Ján

• University Profesor
• Professor at Technical University of Košice

Purpose. Substantiation of the design solutions in separate units of the modernized hydromechanical devices and specification of rational technological modes of their operation in specific geological and technical conditions. Proposals on construction of wells by development and introduction of progressive methods and techniques. Methodology. Analy...

The paper represents the results of monitoring and evaluation of the efficiency of hydroimpulsive disintegration of outburst-prone coal seams in the stopes of development mine workings using a system of sound detecting facilities. Methods of acoustic emission control have been considered as well as the monitoring tasks to evaluate rock mass conditi...

Results of theoretical, laboratory and stand study which enabled to recommend solutions of surface active substances while well drilling, taking into account mining and geological conditions of a number of Ukrainian regions are given. It was determined that addition of surface active substances to the drilling fluid during rotary drilling by hard-f...

The present paper highlights the problem related to the source of hydrocarbons in the Eger Rift in Czech Republic. The authors discuss the existence of polygenetic deep sources of hydrocarbons. The investigations are based on direct indicators of Polycyclic Aromatic Hydrocarbons (abbr. PAHs). Among the diverse components of PAHs has been recognized...

The aim of this paper is to show perspectives of using technologies for geological storage of carbon dioxide. Carbon dioxide gets into the atmosphere by increasing energy consumption, mainly by combustion of solid, liquid and gaseous fuels. Most of the emissions are produced from oil, coal and gas. Despite the fact, that carbon dioxide is one of th...

Vysokoškolská učebnica sa zaoberá teoretickými a praktickými poznatkami o vŕtaní na mori a súši pri vyhľadávaní zdrojov ropy a zemného plynu. V učebnici sú popísané všetky nové vrtné súpravy a plošiny ktoré sa používajú pri vŕtaní za pobrežnou čiarou pri vyhľadávaní ložísk ropy a zemného plynu. Zvláštna pozornosť je venovaná hlavne tým technickým z...

The processes of well drilling are carried out in rocks formation with different lithological composition, physical and mechanical properties, the degree of saturation and the fluid type. These rocks lie in layers with pressures that are lower than normal pressure or in layers with anomalous pressure. Sedimentary rocks – the common rock types in dr...

This paper describes an overview of particular solutions and approaches to dealing with the issue of carbon dioxide storage options in the Slovak Republic. This paper deals with the options of capture and subsequent storage of carbon dioxide in underground geological formations. The Carbon Capture and Storage (CCS) technology, which seems to be ver...

After the changes to the economic systems in many European countries the criteria of assessment and evaluation of mineral deposits have changed significantly, and authors of these “recomputations and calculations“ use various, often unsuitable methods, mainly because they have never had an opportunity of becoming acquainted with modern and comprehe...

Nature has generously offered the use of geothermal energy, which is environmentally friendly and economical source of renewable energy in the world. Geothermal energy is used for various purposes - pools, water parks, residential heating and also in agriculture and spas. Generally Slovakia belongs to the countries with comparable young underground...

This review describes the possibility of development a new lignite deposit in northern Kosovo lignite basin - Sibovc. Analysis of the initial state briefly evaluates Kosovo energy sector, geomorphological conditions and quality of lignite from Sibovc deposit. With using Dataminesoft it was created geological model and approximate calculation of lig...

1 a Eliška Horniaková 2 Ľudia žijúci v dobe železnej začali spracovávať železnú rudu a pokračujú v tom dodnes. Slovenské Rudohorie je bohaté na rudné ložiská, v ktorých v tých časoch zbierali rudu a v blízkosti náleziska stavali pece. Vznikla tzv. slovenská pec, ktorá bola postupne nahrádzaná rôznymi obdobami vysokej pece, zakladajú sa hámre, v kto...

Paper describes deep well coring of oil and natural Gas wells in Slovakia.

The hydrocarbon System Ourd Mya is located in the Sahara Basin. It is one of the producing basins in Algeria. The stratigraphic section consists of Paleozoic and Mesosoic, it is about 5000 m thick. In the eastern part, the basin is limited by the Hassi-Messaoud high zone which is a giant oil field produced from the Cambrian sands. The western part...

Slovakia is a watering place known in the past. A little but very benefit spa lies near the village Herľany below the foothil of the western slopes of the Slanské vrchy Mts. When mineral springs were not able to cover the consumption of the mineral waters in 1870 a well resulting in nowadays unique „ Herľany geyser“ was drilled by Viliam Zsigmondy....

Heat pumps (HPs) with the help of electricity use a renewable energy source to supply heat for homes or industrial buildings and to heat tap water. HP is a heating unit that will provide us with heat for our home for some 20 to 30 years to come and has a potential to replace traditional heating systems powered by gas, oil or coal. At this time, the...

Underground Coal Gasification (UCG) is the conversion of coal in the seam into a combustible gas. UCG is conceptually very simple but controlling the reaction and producing a consistent gas quality under a variety of geological and coal conditions is difficult to achieve. The basic concept has two boreholes, one for the injection of oxidants and th...

Drilling in coal seams becomes more and more popular at the present time, especially due to the fact that coal can be exploited not only by subsurface or surface mining methods but also in much cleaner way – underground coal gasification. The presented article is focused on the modern drilling technologies (used in drilling of deviated and horizont...

Crude oil belongs to the most important energy resources nowadays., However its reserves are the smallest in comparison with other energy resources as coal, gas or uranium. The world oil consumption continuously increases and within 20-year period there could be about one third. So, the consumption of combustibles will probably increase and the res...

Drilling, completion, production, and reservoir engineers, supervisors, foremen, superintendents, service company personnel, technologists and anyone involved with recommending, selecting, designing or on-site performance of well completions or workovers where sand production is, or may become, a serious problem will benefit from this course. Less...

Thank to favourable geological conditions, Slovakia is a country abundant in the occurrence of low-enthalpy sources. The government of the state sponsors new renewable of the sources ecological energy,including the geothermal energy. Geothermal water is utilized for recreation (swimming pools, spas), agriculture (heating of greenhouses, fishing) an...

Owing to favourable geological conditions, Slovakia is a country abundant in occurrence of low-enthalpy sources. The Slovakian government sponsors new renewable ecological energy sources, among which belongs the geothermal energy. Geothermal water is utilized for recreation (swimming pools, spas), agriculture (heating of greenhouses, fishing) and h...

Expandable Tubular Technology is transforming the face of well completion and construction. This technology provides: a substantially higher hydrocarbon production rates from the reservoir, a reduced well drilling and construction costs, new possibilities for previously unreachable or uneconomic reservoirs, and step a change towards the single diam...

The geothermal energy is gaining more and more attention today. Slovakia bearing in the mind the world trends, has joined the countries which want to exploit the domestic geothermal sources. The results of geological research put Slovakia to the regions with a high geothermal potential. The project of the geothermal energy utilization in the area o...

This paper shows the estimate technological parameters for borehole hydro-production of sand by technical deep drilling slim well differently diameters, where are determinate calculation of radius of jet for selects hydro-monitor, the effect of hydro-caving, caving capacity, hydro-transport of pulp and drawings of the most important parts of necess...

Disposal of radioactive and toxic waste in rock salt can be performed in two ways – disposal in the salt mine repository or disposal in the deep wells connected with salt cavity. Presented article deals with the option of the disposal in a salt cavity at medium depths. The article also cover partially salt deposits in Slovakia and their potential s...

Leopold shaft is situated in the Solivar part of the town of Presov, object (object of National Cultural Monument Gapla). Strong ascent of the level of natural salt brine resulted in the change of stress state of rock massif with subsequent deformation of shaft reinforcement and endangering stability of its surroundings and possibly affecting the s...

Geothermal energy nowadays belongs to the most interesting, renewable, progressive and ecologically pure energies. Its utilization began long ago, but because development and exploration show that fossil fuels are depletable in outlook of 40 – 50 years, it is needed to pay greater attention to perspective and economically advantageous energies, amo...

Owing to favourable geological conditions Slovakia is a country abundant in occurrence of low-enthalpy sources. The government of the state sponsors new renewable ecological energy sources, among which belongs geothermal energy. Geothermal water is utilized for recreation (swimming pools, spas), agriculture (heating of greenhouses, fishing) and hea...

Cement slurries become more and more widely applicable in reinforcing and strengthening the rock mass. The processes taking place in fresh cement slurries were presented and their complex character analysed. The equations describing rheological models, e.g. cement slurries, were given. The selected cement slurries were analysed in laboratory condit...

Centrátory patria medzi najdôležitejšie elementárne èastí technického vybavenia pažnicových kolón. Centrické umiestenie pažnicovej kolóny, obzvl᚝ v horizontálnom vrte, je jednou z podmienok kvalitnej cementácie vrtu. Centrátory sú prostriedkami pre centráciu pažnicovej kolóny a umožòujú rovnomerné zaplnenie medzikružia vrtu cementovou suspenziou....

In the industry tensile ropes are used in many technologies. During their application they get damaged for many reasons. That is the topic of this presentation.

Je jasné, že poèas posledných desiatich rokov sa hlbinné vàtanie bez rotaèného stola stalo dominantnou metódou na morských vrtných plošinách pri vàtaní prieskumných a ažobných sond na uh¾ovodíky. Odkedy boli tieto jednotky vyvinuté rozšírili sa po celom svete. Väèšina týchto systémov bola inštalovaná na mori. Je však zaujímavé, že aj vrtný priemys...

The wire ropes are used in different industrial fields. Their construction depends on the type of equipment and its purpose. Most frequently we meet with ropes at different transport and hoisting equipments and very freqently in the civil industry. For users characteristics are important which must meet requirements of the individual regulations an...

The possibilities of heat pumps utilisation for family houses and flats fumigation Heat pumps (HPs) with the help of electricity use a renewable energy source to supply heat for homes or industrial buildings and to heat tap water. HP is a heating unit that will provide us with heat for our home for some 20 to 30 years to come and has a potential to...

Geological structure and mineral resources of Algeria The hydrocarbon System Ourd Mya is located in the Sahara Basin. It is one of the producing basins in Algeria. The stratigraphic section consists of Paleozoic and Mesosoic, it is about 5000 m thick. In the eastern part, the basin is limited by the Hassi-Messaoud high zone which is a giant oil fie...

Utilization of Geothermal Energy in Slovakia Owing to favourable geological conditions, Slovakia is a country abundant in occurrence of low-enthalpy sources. The Slovakian government sponsors new renewable ecological energy sources, among which belongs the geothermal energy. Geothermal water is utilized for recreation (swimming pools, spas), agricu...

Possibility of Radioactive and Toxic WasteDisposal in a Rock Ssalt Deposits in Slovakia Combining Wells and Cavities Disposal of radioactive and toxic waste in rock salt can be performed in two ways – disposal in the salt mine repository or disposal in the deep wells connected with salt cavity. Presented article deals with the option of the disposa...

Geothermal energy utilisation in Slowakia and its future development Owing to favourable geological conditions Slovakia is a country abundant in occurrence of low-enthalpy sources. The government of the state sponsors new renewable ecological energy sources, among which belongs geothermal energy. Geothermal water is utilized for recreation (swimmin...

Geothermal Wells GTD-1,2,3 in Ďurkov and their prospective utilization The geothermal energy is gaining more and more attention today. Slovakia bearing in the mind the world trends, has joined the countries which want to exploit the domestic geothermal sources. The results of geological research put Slovakia to the regions with a high geothermal po...