Leading to achieve net zero emissions,performing carbon capture and storage(CCS)on a large scale is becoming more necessary,especially for developing countries,which are highly affected by the continuously increasing ...Leading to achieve net zero emissions,performing carbon capture and storage(CCS)on a large scale is becoming more necessary,especially for developing countries,which are highly affected by the continuously increasing release of carbon dioxide(CO_(2)).It has also been observed that developing countries does not participate much in the release of CO_(2)in the atmosphere but are highly influenced by global warming because of geological location.Therefore,addressing challenges of climate changes and its impacts requires high-capacity storage in safe and reliable locations.Depleted oil and gas reservoirs offer a valuable option to store CO_(2)due to their adequate porosity and permeability.In this research,an effort has been made to provide a simulation study and comprehensive analysis of CO_(2)storage through reservoir simulation in subsurface oil reservoir.In contrast to prior works,this research article introduces a simulation approach to assess the feasibility of CO_(2)storage in an oil reservoir.Storage in an oil reservoir was modeled using a commercial compositional simulator.CO_(2)behavior during injection is examined using gas injection profiles throughout the injection duration and injection rate.Results of the study demonstrate that reservoir pressure changes equally in all layers and grid blocks making the evaluated reservoir suitable for CO_(2)storage.Bottom hole pressure(BHP)behavior during injection shows the feasibility of CO_(2)storage.The analysis revealed that continuous injection of CO_(2)at a rate of 3500 Mscf/day over a period of 10 years led to a successful storage scenario,with the reservoir reaching its space limit and the injection rate dropping to zero.These results suggest the viability and effectiveness of CO_(2)storage as a means of mitigating greenhouse gas(GHG)emissions.展开更多
Climate change mitigation efforts require innovative solutions to reduce GHG emissions.CCUS is a crucial technology for achieving a low-carbon economy.However,significant research gaps exist in understanding the inter...Climate change mitigation efforts require innovative solutions to reduce GHG emissions.CCUS is a crucial technology for achieving a low-carbon economy.However,significant research gaps exist in understanding the intersection of CCUS policy and the United Nations'SDGs.This review article addresses these gaps by comprehensively analyzing CO_(2) storage projects across six global regions,examining 53 notable CCUS projects,and assessing CCUS policies in 15 leading countries.The primary objectives of this study are to(1)analyze regional trends,challenges,and technological advancements in CO_(2) storage projects across diverse geological formations;(2)investigate the integration of CCUS into national strategies across leading economies,including the US,Canada,Brazil,China,Japan,India,the UK,France,the Netherlands,Germany,Australia,KSA,the UAE,and Qatar.The integration of CCUS with renewable energy sources and BECCS is explored,emphasizing its potential to achieve harmful emissions and support net-zero ambitions.Future perspectives focus on advancing CCUS efficiency and economic viability through innovations in sorbents,membranes,and process optimizations.The findings demonstrate significant alignment between CCUS policies and SDG targets,emphasizing the importance of integrated approaches to achieve a low-carbon future.This review serves as a valuable resource for policymakers,researchers,and industry stakeholders involved in the development of CO_(2) storage solutions,providing insights into future perspectives and opportunities for CCUS.展开更多
The goal of net-zero carbon emissions has led to widespread interest in lowering carbon dioxide(CO_(2))emissions.At the same time,the oil and gas industry seeks to enhance oil recovery(EOR)techniques to meet growing d...The goal of net-zero carbon emissions has led to widespread interest in lowering carbon dioxide(CO_(2))emissions.At the same time,the oil and gas industry seeks to enhance oil recovery(EOR)techniques to meet growing demand.CO_(2) flooding,a key EOR method,offers a dual benefit:reducing CO_(2) emissions and enhancing oil recovery.This study investigates the impact of injection rate and bottom hole pressure(BHP)on CO_(2) injection performance using the Nexus reservoir simulator,a novel application in CO_(2)-EOR research.To the best of the author's knowledge,there is no previous research published in which the researchers used the Nexus reservoir simulator for the study of CO_(2)-EOR.Cases are thoroughly investigated with various injection rates and BHP limitations.Simulation results show that BHP has a minimal impact on oil production,whereas increased injection rates significantly enhance cumulative oil production(COP)by 33.39%and extend reservoir life from 20 to 37 years.Total oil production increased to 33150.7 MSTB,accompanied by reduced water production and maintained reservoir pressure.These findings align with previous research,underscoring the importance of optimized CO_(2) injection strategies for maximizing oil recovery and reservoir performance.展开更多
基金gratefully acknowledge Halliburton/Landmark's support in providing the Nexus software package license,which enabled the successful completion of this research.
文摘Leading to achieve net zero emissions,performing carbon capture and storage(CCS)on a large scale is becoming more necessary,especially for developing countries,which are highly affected by the continuously increasing release of carbon dioxide(CO_(2)).It has also been observed that developing countries does not participate much in the release of CO_(2)in the atmosphere but are highly influenced by global warming because of geological location.Therefore,addressing challenges of climate changes and its impacts requires high-capacity storage in safe and reliable locations.Depleted oil and gas reservoirs offer a valuable option to store CO_(2)due to their adequate porosity and permeability.In this research,an effort has been made to provide a simulation study and comprehensive analysis of CO_(2)storage through reservoir simulation in subsurface oil reservoir.In contrast to prior works,this research article introduces a simulation approach to assess the feasibility of CO_(2)storage in an oil reservoir.Storage in an oil reservoir was modeled using a commercial compositional simulator.CO_(2)behavior during injection is examined using gas injection profiles throughout the injection duration and injection rate.Results of the study demonstrate that reservoir pressure changes equally in all layers and grid blocks making the evaluated reservoir suitable for CO_(2)storage.Bottom hole pressure(BHP)behavior during injection shows the feasibility of CO_(2)storage.The analysis revealed that continuous injection of CO_(2)at a rate of 3500 Mscf/day over a period of 10 years led to a successful storage scenario,with the reservoir reaching its space limit and the injection rate dropping to zero.These results suggest the viability and effectiveness of CO_(2)storage as a means of mitigating greenhouse gas(GHG)emissions.
文摘Climate change mitigation efforts require innovative solutions to reduce GHG emissions.CCUS is a crucial technology for achieving a low-carbon economy.However,significant research gaps exist in understanding the intersection of CCUS policy and the United Nations'SDGs.This review article addresses these gaps by comprehensively analyzing CO_(2) storage projects across six global regions,examining 53 notable CCUS projects,and assessing CCUS policies in 15 leading countries.The primary objectives of this study are to(1)analyze regional trends,challenges,and technological advancements in CO_(2) storage projects across diverse geological formations;(2)investigate the integration of CCUS into national strategies across leading economies,including the US,Canada,Brazil,China,Japan,India,the UK,France,the Netherlands,Germany,Australia,KSA,the UAE,and Qatar.The integration of CCUS with renewable energy sources and BECCS is explored,emphasizing its potential to achieve harmful emissions and support net-zero ambitions.Future perspectives focus on advancing CCUS efficiency and economic viability through innovations in sorbents,membranes,and process optimizations.The findings demonstrate significant alignment between CCUS policies and SDG targets,emphasizing the importance of integrated approaches to achieve a low-carbon future.This review serves as a valuable resource for policymakers,researchers,and industry stakeholders involved in the development of CO_(2) storage solutions,providing insights into future perspectives and opportunities for CCUS.
文摘The goal of net-zero carbon emissions has led to widespread interest in lowering carbon dioxide(CO_(2))emissions.At the same time,the oil and gas industry seeks to enhance oil recovery(EOR)techniques to meet growing demand.CO_(2) flooding,a key EOR method,offers a dual benefit:reducing CO_(2) emissions and enhancing oil recovery.This study investigates the impact of injection rate and bottom hole pressure(BHP)on CO_(2) injection performance using the Nexus reservoir simulator,a novel application in CO_(2)-EOR research.To the best of the author's knowledge,there is no previous research published in which the researchers used the Nexus reservoir simulator for the study of CO_(2)-EOR.Cases are thoroughly investigated with various injection rates and BHP limitations.Simulation results show that BHP has a minimal impact on oil production,whereas increased injection rates significantly enhance cumulative oil production(COP)by 33.39%and extend reservoir life from 20 to 37 years.Total oil production increased to 33150.7 MSTB,accompanied by reduced water production and maintained reservoir pressure.These findings align with previous research,underscoring the importance of optimized CO_(2) injection strategies for maximizing oil recovery and reservoir performance.
