Journal archive

Issue 180 – 181

Interview: Vladislav Brkić, Dean of the Faculty of Mining, Geology and Petroleum Engineering; Preliminary insights into the subsurface geoenergy potential in the Eastern part of the Drava depression; Sustainable Energy Transition of Hydrocarbons and Geothermal Waters of Varaždin County; Thermodynamic Parameterization of Carbon Dioxide in the Process of its Permanent Storage in Water-Saturated Reservoirs at Subcritical Pressure; 60 years of the Ivanić field – first secondary and first tertiary oil recovery methods in Croatia; News from the Croatian Energy Sector; Exhibition “Oil & Gas Exploration in Croatia” has opened Nikola Tesla Technical Museum

Issue 178 – 179

Interview: Ivan Fugaš, Director of LNG Hrvatska; Energy and economy reality of oil future; Development of hydrogen transport infrastructure in the European Union and main guidelines for its development in Croatia; Biogas production and usage – state of development in Croatia; Mineral resources of Varaždin county – sustainable economic development potential in the era of energy transition; The impact of U.S. military interventions and the Middle Eastern crisis on oil prices in the 21st century; News from the Croatian Energy Sector

Issue 176 – 177

Interview: Vlado Vlašić, Director of Podzemno skladište plina d.o.o.; INA gas exploration activities in Croatia; Construction of new underground gas storage in Republic of Croatia – UGS Grubišno Polje; Energy efficiency opportunity at underground gas storage facility (UGS) Okoli; Parametric analysis of liquefied hydrogen refuelling station operation; Potentials of hydrogen as a fuel; Well integrity evaluation using well logging tools; 50 years of Beničanci oil and gas field; News from the Croatian Energy Sector

Issue 174 – 175

Interview: Nikola Mišetić, Operating Director, Exploration & Production; Transformation strategy of oil companies – why, when and how?; Project Somogy – production-gathering system in Croatia; Exploration & Production laboratory; LNG Terminal on the Island of Krk – FSRU „LNG Croatia“; Modernization and conversion terminal for biofuels;  European energy security and independence; Revision and rehabilitation of abandoned surface mines in Varaždin county – case study

Issue 172 – 173

After the Ukrainian crisis, Croatia has prospects for a better position on the European energy map; Interview with Hrvoje Krhen, Director of LNG Croatia; New momentum of hydrocarbon exploration in the Pannonian Basin – seismic campaign on exploration blocks DR-03 and SZH-01; Magneototeluric measurements in the wider area of ​​Udbina; Prediction of pore pressure and application of a poroelastic model; Development of a new type of neutron probe for testing oil wells; Design of an automatic drill through the upgrade of the existing mechanical brake and test results on the Crosco drilling rig N-402; Use of Leeb hardness test to test rock material; Couplings in a series of risers; Comparison of oilfield depressant with paraffin inhibitor in improving the rheological properties of oil; Improving the energy efficiency of the drilling rig through the application of a battery energy storage system; Advanced analytical techniques – support for the development of biofuels and alternative fuels; News from the energy sector of the Republic of Croatia (January – June 2022)

Issue 170 – 171

Geothermal energy offers the possibility of significant involvement of the domestic economy; Interview with Marijan Krpan, President of the Management Board of the Hydrocarbons Agency; Can geothermal energy be a much-needed “storm port” for the oil industry ?; Integration of geothermal power plants into the energy system of the Republic of Croatia; The role of hydrogen in the energy transition, Hybrid Thermal Power Plant Slavonski Brod; Realized and planned future connections of users to “Geothermal field Zagreb” as a reliable and stable heating source; Exploitation of geothermal energy by revitalization of temporarily abandoned wells; Analysis of oil price movements in the conditions of the SARS-Cov-2 virus pandemic and comparison with historical trends on the world market; Comparison of the existing and new theoretical framework of the Earth’s macroenergy system

Issue 168 – 169

News from the world of energy; Successful implementation of the energy transition is not in conflict with its own production of hydrocarbons; Interview with Sandor Fasimon, President of the Management Board of INA; 40 years of natural gas production from the deep Podravina deposit – the most significant energy potential in Croatia; Return to the Dinarides: a new structural conception; Development of a mechanical model of the Earth and its application in the oil industry; The role of the project team in the phased approval of the project; Increasing the productivity of well X-1 by applying hydraulic fracturing; Design and testing of laboratory device for acid treatment on rock rollers.

Issue 167

News from the world of energy; Gas economy and energy transition; Interview Ivica Arar, President of the Management Board of Plinacro; Rich history of natural gas production in Croatia; 20 years full of energy for new challenges – First Gas Company; 20 years of Plinacro – development and new technologies of control, management and maintenance of the gas transmission system; New directions of gas supply – the role of the LNG Terminal on Krk in the diversification of gas supply in the Republic of Croatia; The potential of the LNG market as a fuel and the role of the terminal on Krk as a supply point; Technical-technological concept of the floating LNG Terminal on the island of Krk; History of production and use of natural gas in the area of ​​Slavonia and Baranja; News from the energy sector of the Republic of Croatia

Issue 166

Why is the world turning to hydrogen as an important energy source in the process of decarbonization ?; Covid-19, recession and market shocks in 2020 accelerate the transition of oil companies; Greenhouse gas emissions from the electricity sector of South East Europe; What did we learn from the attack on SCADA / DCS systems ?; Estimation of residual hydrocarbon saturation using the carbon / oxygen method (c / o Carbon / Oxygen); Alternative gas pipelines for the import of Russian gas into the European Union; Calculation of dynamic pressure at the bottom of a well equipped with a depth pump with piston rods; The role of the gas lift workshop in domestic oil production

Issue 165

Physically based theoretical framework of the Earth’s macro-energy system; Petroleum geological modeling of the Alamein Basin (Western Desert, Egypt); Newly isolated potential within conventional Pleistocene gas-bearing sands (Prospectus Ida D – Northern Adriatic); Fast and reliable assessment of bearing model quality based on dynamic bearing behavior; Rehabilitation of closed and abandoned exploitation fields of mineral resources in the area of ​​Varaždin County; Automated onshore drilling rigs; Process safety management system – a tool for maintaining safe and continuous oil and gas production

Issue 163 – 164

Physically based theoretical framework of the Earth’s macro-energy system; Five years of CO2 injection to increase oil recovery in the Ivanić and Žutica fields – Experiences and results; The first compressor station on the gas transport system of the Republic of Croatia is in operation; Possibilities and potential of geothermal waters in the function of economic development of Varaždin County; European Emissions Trading Scheme; Occurrence and control of asphaltene emulsions during acid treatment of deposits

Issue 161 – 162

We have a vision of an industry that is aware of its strategic role in society and that proactively influences economic development and new technologies; Towards an energy transition; “Geovision” – a direct method of geological exploration of productive hydrocarbon deposits; Decarbonization of energy without oil and gas ?; East-Med pipeline and construction of the Levant region infrastructure network as part of the new European gas infrastructure – geopolitical and geostrategic challenges; Determining the pore size distribution with the assumption of different pore geometries; Depth hydraulic piston pumps with example of liquid lifting system calculation; News from the energy sector of the Republic of Croatia; Towards 55 years of HUNIG’s activity and 40 years of publishing activity

Issue 159 – 160

We have a vision of an industry that is aware of its strategic role in society and that proactively influences economic development and new technologies; Towards an energy transition; “Geovision” – a direct method of geological exploration of productive hydrocarbon deposits; Decarbonization of energy without oil and gas ?; East-Med pipeline and construction of the Levant region infrastructure network as part of the new European gas infrastructure – geopolitical and geostrategic challenges; Determining the pore size distribution with the assumption of different pore geometries; Depth hydraulic piston pumps with example of liquid lifting system calculation; News from the energy sector of the Republic of Croatia; Towards 55 years of HUNIG’s activity and 40 years of publishing activity

Issue 158

We have a vision of an industry that is aware of its strategic role in society and that proactively influences economic development and new technologies; Towards an energy transition; “Geovision” – a direct method of geological exploration of productive hydrocarbon deposits; Decarbonization of energy without oil and gas ?; East-Med pipeline and construction of the Levant region infrastructure network as part of the new European gas infrastructure – geopolitical and geostrategic challenges; Determining the pore size distribution with the assumption of different pore geometries; Depth hydraulic piston pumps with example of liquid lifting system calculation; News from the energy sector of the Republic of Croatia; Towards 55 years of HUNIG’s activity and 40 years of publishing activity

Issue 157

The impact of Croatian and European legislation on the oil industry; New direction of hydrocarbon research in external Dinarides; Analysis of total organic carbon and clay volume in in situ systems of the Pannonian Basin and the Adriatic using modern petrophysical logging programs; Using deconvolution to characterize heterogeneity in a mature oil field; 30 years of cogeneration at CPS Molve – development of its own power system; Optimization of gas dehydration system on the IVANA K platform; News from the energy sector of the Republic of Croatia; From the hunig archive

Issue 156

HUNIG’s review of the document “Analyzes and bases for the development of the Energy Strategy of the Republic of Croatia” Draft, Green Paper; News from the oil and gas industry; ESCOM project – Evaluation system for reducing CO2 emissions; The new company INA Jadran continues gas exploitation activities in the northern Adriatic; Application of portable compressors on well working areas of the Duboka Podravina field; Exploitation field of geothermal water Zagreb and possibilities of its use; Construction of the first compressor station on the gas transmission system of the Republic of Croatia; Lifting of the piston lift based on a budget with known production indicators

Issue 155

News from the oil and gas industry; A review of the fundamental issues of the 27th World Gas Conference; Development of cyber security systems and national taxonomy in order to protect operators of key energy sector services; Application of SIGMA method in assessment and characterization of sand series A in the Žutica field; Geothermal reservoir model in the exploration phase; Constructions of production geothermal wells in Croatia; Revitalization of gas pipeline DN 200/50 Kozarac-Stružec with flexible pipes; Decentralized energy systems as solutions for access to energy in Central Asia

Issue 154

News from the oil and gas industry; Assessment of reserves and production potential of newly discovered naturally cracked deposits; Maximizing the values ​​of mature fields by applying data analytics; Recent improvement of petrophysical analysis of naturally radioactive sandstone deposits in the western part of the Pannonian Basin; The strategic role of oil pipelines in the energy supply of the European Union; Zlobin-Omišalj main gas pipeline project DN1000 / 100 bar; Modeling and simulation of steam generator dynamics in an oil refinery; Analysis of the efficiency of oil companies in Serbia; 30 years of Underground Gas Storage Okoli; The impact of oil and gas on domestic and interstate relations; The impact of oil and gas on domestic and interstate relations; Environmental protection in hydrocarbon exploration and production in Croatia and EU legislation

Issue 153

Lithofacies classification using the concept of electrofacies modeling and high-resolution logging measurements; Influence of SiO2 and TiO2 nanoparticles on water-based sludge properties; Optimization of production of gas wells with a high content of stratified water; Initial results of the application of carbon dioxide injection to increase oil recovery in the Ivanić and Žutica production fields; Comparative analysis of different mechanical methods of exploitation used on the X-119 oil well; Corrosion – Key challenges for testing the impact of CO2 injection on the EOR Ivanić and Žutica project; Conversion of CO2 into fuels – contribution to identifying and reducing the impact of CO2 emissions from industrial plants; Upgrading and reconstruction of the motor-compressor station at the Okoli underground gas storage facility; Are we ready to apply the new Croatian legal framework on safety in offshore hydrocarbon exploration and exploitation ?; “Internet of Things” and “Blockchain” as tools for the development of a flexible energy sector; Activities of the Croatian Association of Petroleum Engineers and Geologists

Issue 152

INA is ready for a new step in oil and gas exploration and production; 100 years of natural gas in Croatia; Messages from the 22nd World Petroleum Congress; Impact of the Low Carbon Development Strategy of the Republic of Croatia on the oil and gas energy sector; Petroleum-geological uniqueness of the central Adriatic basin; Construction of small cogeneration power plants in gas and oil fields; Possibilities of application of liquefied natural gas in maritime and land transport of the Republic of Croatia; Mutual hydraulic influence of exploitation and absorption well in the heat pump system on the temperature of pumped water; Implementation of European gas regulations in the Republic of Croatia; Shared, automated, electrified economy – a “deadly” combination to change the primary energy mix; Contribution of quality control of oil and gas industry equipment – Part II …

Issue 151

The importance of renewing oil and gas reserves in an integrated oil company; Revitalization of production in the old oil and gas fields of the Pannonian Basin; Estimation of the productivity index of gas wells equipped with the “Frac Pack” technique – Part 2; Projects of common EU interest – benefits for companies, Croatia and the region of Central and Eastern Europe; Representation of renewable energy sources in the world and the European Union; Use of hydro potential in BiH, between environmental requirements and the need to build hydropower plants; Risk of oil spill risk analysis from drilling and production platforms; Results of the Project for the development and research of automated drilling and damping systems for torsional vibration intended for the modernization of “mature” drilling rigs; Modernization of steam generators g004 and G005 in Rijeka Oil Refinery; New model of pipeline monitoring and data validation using drones and Lean management; Review of works in the function of optimizing the production of the field of Duboka Podravina …

Issue 150

Estimation of the productivity index of gas wells equipped with the “Frac Pack” technique – Part 1; Well construction and hydrocarbon production systems in very deep submarines – III. part; Development of the transport gas system of the Republic of Croatia – from 98 kilometers of gas pipeline in 1959 to 2693 kilometers in 2017; “In line” inspection of gas pipelines – a review of the application of technologies and the introduction of PIMS systems in Plinacro; KONČAR-KET d.d. Design and construction of complex facilities and plants in energy, transport, water management and industry; Construction of a compressor station at the Molve East gas station with the aim of producing up to the pressure of leaving the reservoir; Extraction of gas from unconventional deposits using sliding sleeve and ball fitting technology; Activities of the Croatian Association of Petroleum Engineers and Geologists

Issue 149

News from the oil and gas industry; Unified climate and energy policy – key problems and possible solutions; Challenges of energy strategy between low carbon strategy and energy prices for a competitive economy; The role of oil and gas in the future energy mix; How to “unlock” the hidden hydrocarbon potentials of the Adriatic-Ionian zone ?; Hydrocarbon production from unconventional deposits – analysis of European practice and potentials in the Republic of Croatia; Increasing security of energy supply through the use of optical cable in the control of energy infrastructure; Quantification of the indicated energy geothermal potential of Croatia; Turkish experience in the use of geothermal sources in electricity generation; Activities of the Croatian Association of Petroleum Engineers and Geologists

Issue 148

New directions of natural gas supply and the location and role of the LNG terminal on the island of Krk; Proposal of regulatory framework and guidelines for risk management for hydrocarbon extraction projects from unconventional deposits in Croatia; Introduction of natural gas in the Slavonian region – 40 years HEP Plina d.o.o. Osijek; Well construction and hydrocarbon production systems in the very deep submarine; Optimization of the thermal system at Molve gas processing facilities; Get to know the upstream lab; International oil companies in Southeast Europe in the first half of the 20th century; MET Croatia – one of the three largest independent natural gas suppliers in Croatia; Energy news and events

Issue 147

Which way to a secure and sustainable energy supply in the Republic of Croatia? ; Possible hydrocarbon systems in the South Adriatic Basin and analogies with the Ionian and Apulian geological provinces; Determination of a representative capillary pressure curve by harmonization of laboratory and logging data; Construction and production equipment of wells for the most difficult production conditions in the Molve field; Ecological aspects and the possibility of storing CO2 in the Neogene sandstone deposits of northern Croatia on the example of the Ivanić field; Optimization of the gas compression process at the Čepelovac-Hampovica oil and gas station; Repair of the Ivanić – Kutina gas pipeline

Issue 145 – 146

Will low oil prices, as well as the new agreement on global climate change reached in Paris, cause a global energy crisis ?; The role of the Republic of Croatia in the supply of natural gas to neighboring countries; Sedimentological analysis of Upper Miocene deposits of the Hrastilnica field using high-resolution logging measurements; Drilling through mud loss zones – problems and solutions; Procedure and problems of obtaining permits and approvals when obtaining concessions for hydrocarbon exploitation in the Republic of Croatia

Issue 143 – 144

INA’s 16 years of challenges and technical solutions in offshore gas production; JANAF capacities, opportunities for development and security of oil supply in the countries of Central and Southeast Europe; Current oil price developments and energy decarbonisation processes call into question some persistent energy paradigms; Hydraulic fracturing and other layer stimulation technologies in shale gas production; Risk in the process of hydraulic fracturing of hydrocarbon deposits

Issue 142

Geological arguments for hydrocarbon exploration in the Republic of Croatia; Electromagnetic methods in hydrocarbon exploration; Economics and fiscal system in hydrocarbon exploration and production in Croatia; Ecological arguments for hydrocarbon research in the Republic of Croatia; Međimurje Project – Development of gas deposits in the Vučkovec, Vukanovec and Zebanec fields; Međimurje Project – hydrocarbon production from the Vučkovec, Vukanovec and Zebanec fields; Development of a project to exploit gas deposits in the northern Adriatic

Issue 141

Interpretation of 3D seismics and seismic characterization in the Obod-Lacići field; Illegal connections to the pipeline – possibilities of prevention and protection; Production of unconventional natural gas deposits in the Republic of Croatia; Ecological aspects of hydrocarbon exploration and production in the Adriatic; Swot analysis of the construction of LNG terminals on the island of Krk compared to LNG terminal projects in Poland and Lithuania; Possibilities of compressor production of natural gas; News from the oil and gas industry

Issue 140

Responsible energy activity in a growing world (Official publication of the 21st World Petroleum Congress); EOR potential of oil fields in Croatia; Production of natural gas from the Croatian part of the Adriatic submarine; Ionian-Adriatic gas pipeline, from idea to realization of strategic regional project; EGR method of increasing natural gas production; Explore conventional or unconventional deposits ?; Conversion of the gas transmission system to CO2 transport conditions; Evaluation of surfactants by laboratory tests

Issue 139

Review of the 21st Congress of the World Petroleum Council held in Moscow; News from the oil and gas industry; Energy analysis in the Republic of Croatia; Secondary porosity of pelagic limestones as potentially oil-bearing rocks in the Croatian part of the Adriatic basin; Phases of the energy reform process and analysis of the certification of transmission system operators in the EU and the Republic of Croatia; Optimization of the Molve – Ethane technological chain; Development of LNG technologies on land and sea; News from the oil and gas industry in the Republic of Croatia

Issue 138

Concessions and fiscal systems in hydrocarbon exploration and production; News from the oil and gas industry; Why will natural gas from America change the world ?; Halokinetic origin of the Dinara mountain area and the Livno basin – Outer Dinarides; Application of RPC regulator of work on the Crnac oil field; Design of technical-technological units in the function of business success of energy sector companies; Current mining and mining and oil legislation in the Republic of Croatia

Issue 137

News from the oil and gas industry; A decade of great changes in Croatian energy; Reservoir potential of the proximal talus of the periadrian platforms; Natural gas as the backbone of sustainable energy systems; Comparison of methods for determining capillary pressure curves and relative permeability; Coal reservoir gas; Monitoring the impact of hydrocarbon exploitation of the CPS Molve Plant on the state of the environment over the past 20 years

Issue 170 - 171

Geothermal energy offers the possibility of significant involvement of the domestic economy; Interview with Marijan Krpan, President of the Management Board of the Hydrocarbons Agency; Can geothermal energy be a much-needed “storm port” for the oil industry ?; Integration of geothermal power plants into the energy system of the Republic of Croatia; The role of hydrogen in the energy transition, Hybrid Thermal Power Plant Slavonski Brod; Realized and planned future connections of users to “Geothermal field Zagreb” as a reliable and stable heating source; Exploitation of geothermal energy by revitalization of temporarily abandoned wells; Analysis of oil price movements in the conditions of the SARS-Cov-2 virus pandemic and comparison with historical trends on the world market; Comparison of the existing and new theoretical framework of the Earth’s macroenergy system

Issue 168 - 169

News from the world of energy; Successful implementation of the energy transition is not in conflict with its own production of hydrocarbons; Interview with Sandor Fasimon, President of the Management Board of INA; 40 years of natural gas production from the deep Podravina deposit – the most significant energy potential in Croatia; Return to the Dinarides: a new structural conception; Development of a mechanical model of the Earth and its application in the oil industry; The role of the project team in the phased approval of the project; Increasing the productivity of well X-1 by applying hydraulic fracturing; Design and testing of laboratory device for acid treatment on rock rollers.

Issue 167

News from the world of energy; Gas economy and energy transition; Interview Ivica Arar, President of the Management Board of Plinacro; Rich history of natural gas production in Croatia; 20 years full of energy for new challenges – First Gas Company; 20 years of Plinacro – development and new technologies of control, management and maintenance of the gas transmission system; New directions of gas supply – the role of the LNG Terminal on Krk in the diversification of gas supply in the Republic of Croatia; The potential of the LNG market as a fuel and the role of the terminal on Krk as a supply point; Technical-technological concept of the floating LNG Terminal on the island of Krk; History of production and use of natural gas in the area of ​​Slavonia and Baranja; News from the energy sector of the Republic of Croatia

Issue 166

Why is the world turning to hydrogen as an important energy source in the process of decarbonization ?; Covid-19, recession and market shocks in 2020 accelerate the transition of oil companies; Greenhouse gas emissions from the electricity sector of South East Europe; What did we learn from the attack on SCADA / DCS systems ?; Estimation of residual hydrocarbon saturation using the carbon / oxygen method (c / o Carbon / Oxygen); Alternative gas pipelines for the import of Russian gas into the European Union; Calculation of dynamic pressure at the bottom of a well equipped with a depth pump with piston rods; The role of the gas lift workshop in domestic oil production

Issue 165

Physically based theoretical framework of the Earth’s macro-energy system; Petroleum geological modeling of the Alamein Basin (Western Desert, Egypt); Newly isolated potential within conventional Pleistocene gas-bearing sands (Prospectus Ida D – Northern Adriatic); Fast and reliable assessment of bearing model quality based on dynamic bearing behavior; Rehabilitation of closed and abandoned exploitation fields of mineral resources in the area of ​​Varaždin County; Automated onshore drilling rigs; Process safety management system – a tool for maintaining safe and continuous oil and gas production

Issue 163 - 164

Physically based theoretical framework of the Earth’s macro-energy system; Five years of CO2 injection to increase oil recovery in the Ivanić and Žutica fields – Experiences and results; The first compressor station on the gas transport system of the Republic of Croatia is in operation; Possibilities and potential of geothermal waters in the function of economic development of Varaždin County; European Emissions Trading Scheme; Occurrence and control of asphaltene emulsions during acid treatment of deposits

Issue 161 - 162

We have a vision of an industry that is aware of its strategic role in society and that proactively influences economic development and new technologies; Towards an energy transition; “Geovision” – a direct method of geological exploration of productive hydrocarbon deposits; Decarbonization of energy without oil and gas ?; East-Med pipeline and construction of the Levant region infrastructure network as part of the new European gas infrastructure – geopolitical and geostrategic challenges; Determining the pore size distribution with the assumption of different pore geometries; Depth hydraulic piston pumps with example of liquid lifting system calculation; News from the energy sector of the Republic of Croatia; Towards 55 years of HUNIG’s activity and 40 years of publishing activity

Issue 159 - 160

We have a vision of an industry that is aware of its strategic role in society and that proactively influences economic development and new technologies; Towards an energy transition; “Geovision” – a direct method of geological exploration of productive hydrocarbon deposits; Decarbonization of energy without oil and gas ?; East-Med pipeline and construction of the Levant region infrastructure network as part of the new European gas infrastructure – geopolitical and geostrategic challenges; Determining the pore size distribution with the assumption of different pore geometries; Depth hydraulic piston pumps with example of liquid lifting system calculation; News from the energy sector of the Republic of Croatia; Towards 55 years of HUNIG’s activity and 40 years of publishing activity

Issue 158

We have a vision of an industry that is aware of its strategic role in society and that proactively influences economic development and new technologies; Towards an energy transition; “Geovision” – a direct method of geological exploration of productive hydrocarbon deposits; Decarbonization of energy without oil and gas ?; East-Med pipeline and construction of the Levant region infrastructure network as part of the new European gas infrastructure – geopolitical and geostrategic challenges; Determining the pore size distribution with the assumption of different pore geometries; Depth hydraulic piston pumps with example of liquid lifting system calculation; News from the energy sector of the Republic of Croatia; Towards 55 years of HUNIG’s activity and 40 years of publishing activity

Issue 157

The impact of Croatian and European legislation on the oil industry; New direction of hydrocarbon research in external Dinarides; Analysis of total organic carbon and clay volume in in situ systems of the Pannonian Basin and the Adriatic using modern petrophysical logging programs; Using deconvolution to characterize heterogeneity in a mature oil field; 30 years of cogeneration at CPS Molve – development of its own power system; Optimization of gas dehydration system on the IVANA K platform; News from the energy sector of the Republic of Croatia; From the hunig archive

Issue 156

HUNIG’s review of the document “Analyzes and bases for the development of the Energy Strategy of the Republic of Croatia” Draft, Green Paper; News from the oil and gas industry; ESCOM project – Evaluation system for reducing CO2 emissions; The new company INA Jadran continues gas exploitation activities in the northern Adriatic; Application of portable compressors on well working areas of the Duboka Podravina field; Exploitation field of geothermal water Zagreb and possibilities of its use; Construction of the first compressor station on the gas transmission system of the Republic of Croatia; Lifting of the piston lift based on a budget with known production indicators

Issue 155

News from the oil and gas industry; A review of the fundamental issues of the 27th World Gas Conference; Development of cyber security systems and national taxonomy in order to protect operators of key energy sector services; Application of SIGMA method in assessment and characterization of sand series A in the Žutica field; Geothermal reservoir model in the exploration phase; Constructions of production geothermal wells in Croatia; Revitalization of gas pipeline DN 200/50 Kozarac-Stružec with flexible pipes; Decentralized energy systems as solutions for access to energy in Central Asia

Issue 154

News from the oil and gas industry; Assessment of reserves and production potential of newly discovered naturally cracked deposits; Maximizing the values ​​of mature fields by applying data analytics; Recent improvement of petrophysical analysis of naturally radioactive sandstone deposits in the western part of the Pannonian Basin; The strategic role of oil pipelines in the energy supply of the European Union; Zlobin-Omišalj main gas pipeline project DN1000 / 100 bar; Modeling and simulation of steam generator dynamics in an oil refinery; Analysis of the efficiency of oil companies in Serbia; 30 years of Underground Gas Storage Okoli; The impact of oil and gas on domestic and interstate relations; The impact of oil and gas on domestic and interstate relations; Environmental protection in hydrocarbon exploration and production in Croatia and EU legislation

Issue 153

Lithofacies classification using the concept of electrofacies modeling and high-resolution logging measurements; Influence of SiO2 and TiO2 nanoparticles on water-based sludge properties; Optimization of production of gas wells with a high content of stratified water; Initial results of the application of carbon dioxide injection to increase oil recovery in the Ivanić and Žutica production fields; Comparative analysis of different mechanical methods of exploitation used on the X-119 oil well; Corrosion – Key challenges for testing the impact of CO2 injection on the EOR Ivanić and Žutica project; Conversion of CO2 into fuels – contribution to identifying and reducing the impact of CO2 emissions from industrial plants; Upgrading and reconstruction of the motor-compressor station at the Okoli underground gas storage facility; Are we ready to apply the new Croatian legal framework on safety in offshore hydrocarbon exploration and exploitation ?; “Internet of Things” and “Blockchain” as tools for the development of a flexible energy sector; Activities of the Croatian Association of Petroleum Engineers and Geologists

Issue 152

INA is ready for a new step in oil and gas exploration and production; 100 years of natural gas in Croatia; Messages from the 22nd World Petroleum Congress; Impact of the Low Carbon Development Strategy of the Republic of Croatia on the oil and gas energy sector; Petroleum-geological uniqueness of the central Adriatic basin; Construction of small cogeneration power plants in gas and oil fields; Possibilities of application of liquefied natural gas in maritime and land transport of the Republic of Croatia; Mutual hydraulic influence of exploitation and absorption well in the heat pump system on the temperature of pumped water; Implementation of European gas regulations in the Republic of Croatia; Shared, automated, electrified economy – a “deadly” combination to change the primary energy mix; Contribution of quality control of oil and gas industry equipment – Part II …

Issue 151

The importance of renewing oil and gas reserves in an integrated oil company; Revitalization of production in the old oil and gas fields of the Pannonian Basin; Estimation of the productivity index of gas wells equipped with the “Frac Pack” technique – Part 2; Projects of common EU interest – benefits for companies, Croatia and the region of Central and Eastern Europe; Representation of renewable energy sources in the world and the European Union; Use of hydro potential in BiH, between environmental requirements and the need to build hydropower plants; Risk of oil spill risk analysis from drilling and production platforms; Results of the Project for the development and research of automated drilling and damping systems for torsional vibration intended for the modernization of “mature” drilling rigs; Modernization of steam generators g004 and G005 in Rijeka Oil Refinery; New model of pipeline monitoring and data validation using drones and Lean management; Review of works in the function of optimizing the production of the field of Duboka Podravina …

Issue 150

Estimation of the productivity index of gas wells equipped with the “Frac Pack” technique – Part 1; Well construction and hydrocarbon production systems in very deep submarines – III. part; Development of the transport gas system of the Republic of Croatia – from 98 kilometers of gas pipeline in 1959 to 2693 kilometers in 2017; “In line” inspection of gas pipelines – a review of the application of technologies and the introduction of PIMS systems in Plinacro; KONČAR-KET d.d. Design and construction of complex facilities and plants in energy, transport, water management and industry; Construction of a compressor station at the Molve East gas station with the aim of producing up to the pressure of leaving the reservoir; Extraction of gas from unconventional deposits using sliding sleeve and ball fitting technology; Activities of the Croatian Association of Petroleum Engineers and Geologists

Issue 149

News from the oil and gas industry; Unified climate and energy policy – key problems and possible solutions; Challenges of energy strategy between low carbon strategy and energy prices for a competitive economy; The role of oil and gas in the future energy mix; How to “unlock” the hidden hydrocarbon potentials of the Adriatic-Ionian zone ?; Hydrocarbon production from unconventional deposits – analysis of European practice and potentials in the Republic of Croatia; Increasing security of energy supply through the use of optical cable in the control of energy infrastructure; Quantification of the indicated energy geothermal potential of Croatia; Turkish experience in the use of geothermal sources in electricity generation; Activities of the Croatian Association of Petroleum Engineers and Geologists

Issue 148

New directions of natural gas supply and the location and role of the LNG terminal on the island of Krk; Proposal of regulatory framework and guidelines for risk management for hydrocarbon extraction projects from unconventional deposits in Croatia; Introduction of natural gas in the Slavonian region – 40 years HEP Plina d.o.o. Osijek; Well construction and hydrocarbon production systems in the very deep submarine; Optimization of the thermal system at Molve gas processing facilities; Get to know the upstream lab; International oil companies in Southeast Europe in the first half of the 20th century; MET Croatia – one of the three largest independent natural gas suppliers in Croatia; Energy news and events

Issue 147

Which way to a secure and sustainable energy supply in the Republic of Croatia? ; Possible hydrocarbon systems in the South Adriatic Basin and analogies with the Ionian and Apulian geological provinces; Determination of a representative capillary pressure curve by harmonization of laboratory and logging data; Construction and production equipment of wells for the most difficult production conditions in the Molve field; Ecological aspects and the possibility of storing CO2 in the Neogene sandstone deposits of northern Croatia on the example of the Ivanić field; Optimization of the gas compression process at the Čepelovac-Hampovica oil and gas station; Repair of the Ivanić – Kutina gas pipeline

Issue 145 - 146

Will low oil prices, as well as the new agreement on global climate change reached in Paris, cause a global energy crisis ?; The role of the Republic of Croatia in the supply of natural gas to neighboring countries; Sedimentological analysis of Upper Miocene deposits of the Hrastilnica field using high-resolution logging measurements; Drilling through mud loss zones – problems and solutions; Procedure and problems of obtaining permits and approvals when obtaining concessions for hydrocarbon exploitation in the Republic of Croatia

Issue 143 - 144

INA’s 16 years of challenges and technical solutions in offshore gas production; JANAF capacities, opportunities for development and security of oil supply in the countries of Central and Southeast Europe; Current oil price developments and energy decarbonisation processes call into question some persistent energy paradigms; Hydraulic fracturing and other layer stimulation technologies in shale gas production; Risk in the process of hydraulic fracturing of hydrocarbon deposits

Issue 142

Geological arguments for hydrocarbon exploration in the Republic of Croatia; Electromagnetic methods in hydrocarbon exploration; Economics and fiscal system in hydrocarbon exploration and production in Croatia; Ecological arguments for hydrocarbon research in the Republic of Croatia; Međimurje Project – Development of gas deposits in the Vučkovec, Vukanovec and Zebanec fields; Međimurje Project – hydrocarbon production from the Vučkovec, Vukanovec and Zebanec fields; Development of a project to exploit gas deposits in the northern Adriatic

Issue 141

Interpretation of 3D seismics and seismic characterization in the Obod-Lacići field; Illegal connections to the pipeline – possibilities of prevention and protection; Production of unconventional natural gas deposits in the Republic of Croatia; Ecological aspects of hydrocarbon exploration and production in the Adriatic; Swot analysis of the construction of LNG terminals on the island of Krk compared to LNG terminal projects in Poland and Lithuania; Possibilities of compressor production of natural gas; News from the oil and gas industry

Issue 140

Responsible energy activity in a growing world (Official publication of the 21st World Petroleum Congress); EOR potential of oil fields in Croatia; Production of natural gas from the Croatian part of the Adriatic submarine; Ionian-Adriatic gas pipeline, from idea to realization of strategic regional project; EGR method of increasing natural gas production; Explore conventional or unconventional deposits ?; Conversion of the gas transmission system to CO2 transport conditions; Evaluation of surfactants by laboratory tests

Issue 139

Review of the 21st Congress of the World Petroleum Council held in Moscow; News from the oil and gas industry; Energy analysis in the Republic of Croatia; Secondary porosity of pelagic limestones as potentially oil-bearing rocks in the Croatian part of the Adriatic basin; Phases of the energy reform process and analysis of the certification of transmission system operators in the EU and the Republic of Croatia; Optimization of the Molve – Ethane technological chain; Development of LNG technologies on land and sea; News from the oil and gas industry in the Republic of Croatia

Issue 138

Concessions and fiscal systems in hydrocarbon exploration and production; News from the oil and gas industry; Why will natural gas from America change the world ?; Halokinetic origin of the Dinara mountain area and the Livno basin – Outer Dinarides; Application of RPC regulator of work on the Crnac oil field; Design of technical-technological units in the function of business success of energy sector companies; Current mining and mining and oil legislation in the Republic of Croatia

Issue 137

News from the oil and gas industry; A decade of great changes in Croatian energy; Reservoir potential of the proximal talus of the periadrian platforms; Natural gas as the backbone of sustainable energy systems; Comparison of methods for determining capillary pressure curves and relative permeability; Coal reservoir gas; Monitoring the impact of hydrocarbon exploitation of the CPS Molve Plant on the state of the environment over the past 20 years

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