This article focuses on the challenges of rural economic development under the strategy of rural revitalization,and deeply analyzes the current situation of rural economic development.Research has found that although ...This article focuses on the challenges of rural economic development under the strategy of rural revitalization,and deeply analyzes the current situation of rural economic development.Research has found that although the rural revitalization strategy has achieved significant results in improving residents’quality of life,promoting agricultural modernization,it still faces challenges such as severe loss of human resources,insufficient agricultural technological innovation,and backward infrastructure construction.In response to these challenges,this paper proposes optimization strategies from three aspects:strengthening rural education and talent team construction,promoting agricultural technology innovation and achievement transformation,and increasing investment in rural infrastructure construction.展开更多
Fifty-five-year-old Shi Yizhong never imagined fireflies could become the foundation of a serious business.In 2022,Longshan Village in Huzhou’s Wuxing District collaborated with a young entrepreneurial team to create...Fifty-five-year-old Shi Yizhong never imagined fireflies could become the foundation of a serious business.In 2022,Longshan Village in Huzhou’s Wuxing District collaborated with a young entrepreneurial team to create a firefly campsite-a natural attraction where visitors can observe these glowing insects in a preserved habitat.The site quickly drew waves of tourists,who shared their experience online,recouping its initial investment in just two years.展开更多
The rapid development of artificial intelligence(AI)has placed significant pressure on universities to rethink how they train software engineering students.Tools like GitHub Copilot can now generate basic code in seco...The rapid development of artificial intelligence(AI)has placed significant pressure on universities to rethink how they train software engineering students.Tools like GitHub Copilot can now generate basic code in seconds.This raises important questions:What is the value of traditional programming education?What role should instructors play when AI becomes a powerful teaching assistant?How should the goals of software engineering programs change as companies increasingly use AI to handle coding tasks?This paper explores the key challenges AI brings to software engineering education and proposes practical strategies for updating talent development models to meet these changes.展开更多
This study aims to explore the characteristics of novice teachers’inappropriate behaviors in classroom teaching and their intervention strategies.With the continuous improvement of education quality,novice teachers f...This study aims to explore the characteristics of novice teachers’inappropriate behaviors in classroom teaching and their intervention strategies.With the continuous improvement of education quality,novice teachers face increasing challenges in teaching practice.Their inappropriate behaviors not only affect the classroom atmosphere but may also negatively impact students’learning outcomes.Therefore,researching the characteristics of novice teachers’inappropriate behaviors and their intervention strategies holds significant scientific and social value.This study employs a combination of quantitative and qualitative methods to analyze the behavioral patterns of novice teachers in classroom teaching and proposes corresponding intervention strategies.The results indicate that novice teachers’inappropriate behaviors mainly manifest as poor classroom management,monotonous teaching methods,and insufficient interaction with students.Based on these findings,the study proposes a series of effective intervention strategies,including enhancing teacher training,optimizing teaching design,and promoting positive interactions between teachers and students.The conclusions of the study not only provide practical guidance for educational practice but also point out directions for future research,emphasizing the crucial role of teacher professional development in improving teaching quality.展开更多
As low-altitude airspace becomes increasingly accessible and eVTOL(electric vertical take-off and landing)technologies advance,the low-altitude economy has emerged as a transformative frontier in urban mobility and in...As low-altitude airspace becomes increasingly accessible and eVTOL(electric vertical take-off and landing)technologies advance,the low-altitude economy has emerged as a transformative frontier in urban mobility and industrial restructuring.Although countries face comparable technological opportunities,their development paths diverge significantly.This divergence is shaped not only by policy choices and innovation capacity but also by underlying differences in institutional architectures,resource configurations,and implementation mechanisms.This paper proposes a Development Path Evolution Model grounded in four structural elements:technological capability,institutional systems,infrastructure,and application scenarios.Based on this framework,the study identifies three archetypal path types(technology-led,institution-led,and scenario-driven)and empirically validates the model through comparative case studies of the United States,Europe,and Japan.Applying the model to China reveals a distinct"hybrid scenario-driven path",characterized by demand-responsive pilots,decentralized institutional flexibility,and strong engineering capacity.Using Shanghai as a representative case,the study outlines five strategic levers to guide its transition from a localized pilot zone to a platform-based governance hub with national and international relevance.The research contributes to theoretical understanding of path differentiation in emerging industries and provides actionable insights for developing economies with strong mobilization capacity and industrial ecosystems.展开更多
Objective To study the competitive advantages of Chinese active pharmaceutical ingredients by analyzing the international market situation and competition pattern of active pharmaceutical ingredient(API).Methods Throu...Objective To study the competitive advantages of Chinese active pharmaceutical ingredients by analyzing the international market situation and competition pattern of active pharmaceutical ingredient(API).Methods Through the analysis of the competition pattern of global API market,the advantages and shortcomings of China’s APIs in the international market were found out,and some development strategies and suggestions were put forward.Results and Conclusion It is urgent for China API enterprises to adjust their industrial structure,improve their production process,and actively participate in international certification for more export.展开更多
Climate change poses a significant threat to Nigeria's agricultural sector,which is a cornerstone of its economy and food security.The increasing frequency of extreme weather events,erratic rainfall patterns,and r...Climate change poses a significant threat to Nigeria's agricultural sector,which is a cornerstone of its economy and food security.The increasing frequency of extreme weather events,erratic rainfall patterns,and rising temperatures have disrupted agricultural productivity,threatening the livelihoods of millions of Nigerians.Through a comprehensive literature review,synthesizing data from peer-reviewed journals,institutional reports,and credible online sources from 2000 to 2023,this study aims to explore the multi-faceted impacts of climate variability on agricultural production,livestock,fisheries,and food security in Nigeria,and to identify effective adaptation strategies to mitigate these impacts.The findings reveal that climate change has significantly disrupted agricultural productivity in Nigeria,with erratic rainfall,rising temperatures,and extreme weather events leading to reduced crop yields,increased pest and disease pressure,and land degradation.Vulnerable crops such as maize,cassava,and rice are particularly affected,while livestock production faces challenges such as heat stress and reduced feed availability.The fisheries sector is also impacted,with shrinking water resources and increasing contamination levels threatening livelihoods.Adaptation strategies,including crop diversification,improved irrigation,and indigenous knowledge practices,offer some resilience but require substantial policy and financial support.The study highlights the urgency of implementing climate-smart agricultural practices,enhancing infrastructure,and promoting public-private partnerships to mitigate climate-induced risks.Recommendations align with the United Nations Sustainable Development Goals(SDGs)2(Zero Hunger),13(Climate Action),and 15(Life on Land),emphasizing the need for sustainable agricultural practices,ecosystem preservation,and adaptive policy frameworks to ensure food security and economic stability in Nigeria.This study provides valuable insights into the impacts of climate change on Nigeria's agricultural sector and offers practical recommendations for building resilience and ensuring sustainable food systems.It reveals the importance of collaborative efforts at all levels to address the challenges posed by climate change and safeguard the nation's agricultural heritage for future generations.展开更多
As a representative enterprise in the retail industry,MINISO takes cost leadership and product differentiation as its core strategy to compete actively in the global market.However,multi-brand retailers continue to ap...As a representative enterprise in the retail industry,MINISO takes cost leadership and product differentiation as its core strategy to compete actively in the global market.However,multi-brand retailers continue to appear in the domestic market and the existing“dollar stores”in the foreign market already have a certain number of loyal customers.Therefore,MINISO needs to understand its principles for creating,delivering,and capturing value.By strengthening its own competitive advantages,it could achieve differentiation when confronting challenges in both domestic and international markets.Based on the analysis of MINISO’s business model canvas,this paper puts forward corresponding strategic development suggestions.展开更多
The third member of Shahejie Formation(also referred to as Sha 3 Member)in Dongpu Depression,China,a volatile,low-permeability oil reservoir with complex fluid compositions,is subjected to high temperature and high pr...The third member of Shahejie Formation(also referred to as Sha 3 Member)in Dongpu Depression,China,a volatile,low-permeability oil reservoir with complex fluid compositions,is subjected to high temperature and high pressure(HPHT),which poses significant challenges to conventional water injection.To elucidate flow mechanisms and optimize development strategies,this study integrates constant-rate mercury injection(CRMI),nuclear magnetic resonance(NMR),and HPHT three-phase oil/gas/water relative permeability experiments to analyze pore-throat structures,movable fluid characteristics,and relative permeability.The CRMI results indicate that the reservoir exhibits low porosity and low permeability,with dominant throat radius ranging from 0.6 to 5.0μm,and mean pore-throat radius ratio ranging from 40.303 to 278.320,demonstrating significant microscopic heterogeneity.The NMR results reveal that water-alternating-gas(WAG)injection enhances oil recovery by 16.28%(Sample W1)and 13.52%(Sample W2)compared to conventional water injection,primarily due to the gas phase's low viscosity and high mobility,enabling access to micropores unreachable by water phases.The HPHT three-phase relative permeability tests demonstrate positive correlations between saturation and relative permeability,with oil permeability significantly influenced by three-phase saturation and rock wettability.These findings establish a microscopic seepage model for optimizing enhanced oil recovery(EOR)strategies in volatile reservoirs.展开更多
This study examines the current state of informatization education among county high school students.While students demonstrate a strong demand for informatization education,they face significant challenges,including ...This study examines the current state of informatization education among county high school students.While students demonstrate a strong demand for informatization education,they face significant challenges,including inadequate hardware,limited access to online learning resources,and insufficient teacher proficiency in informatization education.Through a questionnaire survey,the research reveals an urgent need for expanded information technology courses and specialized training programs.In response,this paper proposes strategies such as increasing investment in IT education,optimizing teaching methodologies,and providing additional learning opportunities to enhance student engagement and comprehensively improve the quality of IT education and learning outcomes in county high schools.展开更多
This paper investigated and analyzed the conservation and utilization of four local livestock breeds in Binzhou City:Wadi Sheep,Bohai Black Cattle,Wudi Donkey,and Lubei White Goat.Shortcomings in the protection and ut...This paper investigated and analyzed the conservation and utilization of four local livestock breeds in Binzhou City:Wadi Sheep,Bohai Black Cattle,Wudi Donkey,and Lubei White Goat.Shortcomings in the protection and utilization of local germplasm resources were pointed out,and strategies and recommendations were proposed to promote high-quality development of livestock and poultry genetic resources in Binzhou,including building a solid germplasm foundation,standardizing production,and driving innovation.This paper provides references for the conservation,development,and utilization of local genetic resources in Binzhou City.展开更多
Performance evaluation,as a multidimensional and comprehensive assessment tool,plays a pivotal role in accurately reflecting the quality of higher education and effectively promoting institutional governance.In the ev...Performance evaluation,as a multidimensional and comprehensive assessment tool,plays a pivotal role in accurately reflecting the quality of higher education and effectively promoting institutional governance.In the evolving landscape of educational reform,nonprofit private universities in China face pressing challenges in leveraging performance evaluations to standardize internal operations,guide strategic development,and foster public trust.This paper focuses on these institutions and conducts an in-depth analysis of existing problems in performance evaluation practices.Drawing on contemporary theoretical frameworks and empirical experiences,it proposes feasible,targeted governance strategies.The aim is to offer both theoretical insights and practical guidelines to support the sustainable development of non-profit private universities and to help these institutions better integrate into the national education system while fulfilling their social missions.展开更多
This paper aims to explore the development strategies for subject services in university libraries within the context of the“double first-class”initiative.By examining the relationship between“double first-class”c...This paper aims to explore the development strategies for subject services in university libraries within the context of the“double first-class”initiative.By examining the relationship between“double first-class”construction and university library subject services,the study analyzes the current state of subject services,including resource development,service models,and team building.Drawing on domestic and international case studies,the paper proposes a series of targeted and practical strategies to enhance the quality of subject services in university libraries,thereby providing robust support for the advancement of the“double first-class”initiative.展开更多
ASEAN’s major power balancing strategy refers to the balancing strategy adopted by ASEAN and its member states to seek national and regional security and development by maintaining multi-faceted friendship and impart...ASEAN’s major power balancing strategy refers to the balancing strategy adopted by ASEAN and its member states to seek national and regional security and development by maintaining multi-faceted friendship and impartiality with surrounding major powers.The evolution of this strategy is a process of dynamic adjustment,with ASEAN and its members being the implementing subjects,major powers the objects.展开更多
The development of gas condensate reservoirs with a large gas cap,thin oil rim,strong bottom water,and natural barriers faces numerous challenges,including reservoir heterogeneity,coning effects,phase changes,and mult...The development of gas condensate reservoirs with a large gas cap,thin oil rim,strong bottom water,and natural barriers faces numerous challenges,including reservoir heterogeneity,coning effects,phase changes,and multiphase flow dynamics.The influx of gas and water may lead to a low recovery of the oil rim,while reservoir heterogeneity and natural barriers further exacerbate the uneven distribution of reservoir fluid,complicating development strategies.This paper aims to investigate innovative and effective development strategies for this type of reservoir.A detailed,proportionally scaled numerical simulation is performed based on the experimental results of an artificial sand-filled model,providing novel insights into the dynamic behavior of these reservoirs.By understanding the phase behavior and fluid flow characteristics of the reservoir,the study simulates various strategies for the rational and efficient development of the gas condensate reservoir.These strategies include well patterns and completions,the decision to develop the oil rim or gas cap,depletion rates,the bottom water control,and gas injection.The results show that horizontal wells or highly deviated wells are more suitable for the development of the oil rim,as they provide larger control ranges.The presence of strong bottom water is advantageous for displacement energy supply and pressure maintenance,but it intensifies water coning effects,leading to an earlier breakthrough and a sharp production decline.Therefore,it is preferable to apply highly deviated wells at the oil-gas contact,developing the oil rim at lower rates and smaller pressure gradients,followed by developing the gas cap.This approach can reduce water coning effects and improve recovery,with oil and gas recovery reaching 24.4%and 67.95%,respectively,which is an increase of 16.74%and 17.84%compared to direct depletion development of the gas cap.Due to the strong water bottom,continuous gas injection at the top of the reservoir becomes challenging.This study introduces gas assisted gravity drainage with water control technology,a novel and highly effective approach that addresses the impact of bottom water coning effects on the oil and gas zones and overcomes the limitations of gas flooding in reservoirs with strong bottom water.This method can significantly improve oil and gas recovery,achieving recovery of 39.74%and 84.50%,respectively.Compared to the conventional depletion strategy of sequential oil rim and gas cap development,this method achieves additional improvements of 15.33%and 16.55%in oil and gas recovery,respectively.展开更多
文摘This article focuses on the challenges of rural economic development under the strategy of rural revitalization,and deeply analyzes the current situation of rural economic development.Research has found that although the rural revitalization strategy has achieved significant results in improving residents’quality of life,promoting agricultural modernization,it still faces challenges such as severe loss of human resources,insufficient agricultural technological innovation,and backward infrastructure construction.In response to these challenges,this paper proposes optimization strategies from three aspects:strengthening rural education and talent team construction,promoting agricultural technology innovation and achievement transformation,and increasing investment in rural infrastructure construction.
文摘Fifty-five-year-old Shi Yizhong never imagined fireflies could become the foundation of a serious business.In 2022,Longshan Village in Huzhou’s Wuxing District collaborated with a young entrepreneurial team to create a firefly campsite-a natural attraction where visitors can observe these glowing insects in a preserved habitat.The site quickly drew waves of tourists,who shared their experience online,recouping its initial investment in just two years.
基金supported in part by the Northeastern University’s 2024 Undergraduate Education and Teaching Reform Research Project:Innovation and Practice of Professional Course Teaching Paradigms in the Context of Digital Education.
文摘The rapid development of artificial intelligence(AI)has placed significant pressure on universities to rethink how they train software engineering students.Tools like GitHub Copilot can now generate basic code in seconds.This raises important questions:What is the value of traditional programming education?What role should instructors play when AI becomes a powerful teaching assistant?How should the goals of software engineering programs change as companies increasingly use AI to handle coding tasks?This paper explores the key challenges AI brings to software engineering education and proposes practical strategies for updating talent development models to meet these changes.
文摘This study aims to explore the characteristics of novice teachers’inappropriate behaviors in classroom teaching and their intervention strategies.With the continuous improvement of education quality,novice teachers face increasing challenges in teaching practice.Their inappropriate behaviors not only affect the classroom atmosphere but may also negatively impact students’learning outcomes.Therefore,researching the characteristics of novice teachers’inappropriate behaviors and their intervention strategies holds significant scientific and social value.This study employs a combination of quantitative and qualitative methods to analyze the behavioral patterns of novice teachers in classroom teaching and proposes corresponding intervention strategies.The results indicate that novice teachers’inappropriate behaviors mainly manifest as poor classroom management,monotonous teaching methods,and insufficient interaction with students.Based on these findings,the study proposes a series of effective intervention strategies,including enhancing teacher training,optimizing teaching design,and promoting positive interactions between teachers and students.The conclusions of the study not only provide practical guidance for educational practice but also point out directions for future research,emphasizing the crucial role of teacher professional development in improving teaching quality.
文摘As low-altitude airspace becomes increasingly accessible and eVTOL(electric vertical take-off and landing)technologies advance,the low-altitude economy has emerged as a transformative frontier in urban mobility and industrial restructuring.Although countries face comparable technological opportunities,their development paths diverge significantly.This divergence is shaped not only by policy choices and innovation capacity but also by underlying differences in institutional architectures,resource configurations,and implementation mechanisms.This paper proposes a Development Path Evolution Model grounded in four structural elements:technological capability,institutional systems,infrastructure,and application scenarios.Based on this framework,the study identifies three archetypal path types(technology-led,institution-led,and scenario-driven)and empirically validates the model through comparative case studies of the United States,Europe,and Japan.Applying the model to China reveals a distinct"hybrid scenario-driven path",characterized by demand-responsive pilots,decentralized institutional flexibility,and strong engineering capacity.Using Shanghai as a representative case,the study outlines five strategic levers to guide its transition from a localized pilot zone to a platform-based governance hub with national and international relevance.The research contributes to theoretical understanding of path differentiation in emerging industries and provides actionable insights for developing economies with strong mobilization capacity and industrial ecosystems.
文摘Objective To study the competitive advantages of Chinese active pharmaceutical ingredients by analyzing the international market situation and competition pattern of active pharmaceutical ingredient(API).Methods Through the analysis of the competition pattern of global API market,the advantages and shortcomings of China’s APIs in the international market were found out,and some development strategies and suggestions were put forward.Results and Conclusion It is urgent for China API enterprises to adjust their industrial structure,improve their production process,and actively participate in international certification for more export.
文摘Climate change poses a significant threat to Nigeria's agricultural sector,which is a cornerstone of its economy and food security.The increasing frequency of extreme weather events,erratic rainfall patterns,and rising temperatures have disrupted agricultural productivity,threatening the livelihoods of millions of Nigerians.Through a comprehensive literature review,synthesizing data from peer-reviewed journals,institutional reports,and credible online sources from 2000 to 2023,this study aims to explore the multi-faceted impacts of climate variability on agricultural production,livestock,fisheries,and food security in Nigeria,and to identify effective adaptation strategies to mitigate these impacts.The findings reveal that climate change has significantly disrupted agricultural productivity in Nigeria,with erratic rainfall,rising temperatures,and extreme weather events leading to reduced crop yields,increased pest and disease pressure,and land degradation.Vulnerable crops such as maize,cassava,and rice are particularly affected,while livestock production faces challenges such as heat stress and reduced feed availability.The fisheries sector is also impacted,with shrinking water resources and increasing contamination levels threatening livelihoods.Adaptation strategies,including crop diversification,improved irrigation,and indigenous knowledge practices,offer some resilience but require substantial policy and financial support.The study highlights the urgency of implementing climate-smart agricultural practices,enhancing infrastructure,and promoting public-private partnerships to mitigate climate-induced risks.Recommendations align with the United Nations Sustainable Development Goals(SDGs)2(Zero Hunger),13(Climate Action),and 15(Life on Land),emphasizing the need for sustainable agricultural practices,ecosystem preservation,and adaptive policy frameworks to ensure food security and economic stability in Nigeria.This study provides valuable insights into the impacts of climate change on Nigeria's agricultural sector and offers practical recommendations for building resilience and ensuring sustainable food systems.It reveals the importance of collaborative efforts at all levels to address the challenges posed by climate change and safeguard the nation's agricultural heritage for future generations.
文摘As a representative enterprise in the retail industry,MINISO takes cost leadership and product differentiation as its core strategy to compete actively in the global market.However,multi-brand retailers continue to appear in the domestic market and the existing“dollar stores”in the foreign market already have a certain number of loyal customers.Therefore,MINISO needs to understand its principles for creating,delivering,and capturing value.By strengthening its own competitive advantages,it could achieve differentiation when confronting challenges in both domestic and international markets.Based on the analysis of MINISO’s business model canvas,this paper puts forward corresponding strategic development suggestions.
基金supported by the Key R&D Plan of Shaanxi Province[key industrial innovation chain(Group)](No.2022ZDLSF07-04).
文摘The third member of Shahejie Formation(also referred to as Sha 3 Member)in Dongpu Depression,China,a volatile,low-permeability oil reservoir with complex fluid compositions,is subjected to high temperature and high pressure(HPHT),which poses significant challenges to conventional water injection.To elucidate flow mechanisms and optimize development strategies,this study integrates constant-rate mercury injection(CRMI),nuclear magnetic resonance(NMR),and HPHT three-phase oil/gas/water relative permeability experiments to analyze pore-throat structures,movable fluid characteristics,and relative permeability.The CRMI results indicate that the reservoir exhibits low porosity and low permeability,with dominant throat radius ranging from 0.6 to 5.0μm,and mean pore-throat radius ratio ranging from 40.303 to 278.320,demonstrating significant microscopic heterogeneity.The NMR results reveal that water-alternating-gas(WAG)injection enhances oil recovery by 16.28%(Sample W1)and 13.52%(Sample W2)compared to conventional water injection,primarily due to the gas phase's low viscosity and high mobility,enabling access to micropores unreachable by water phases.The HPHT three-phase relative permeability tests demonstrate positive correlations between saturation and relative permeability,with oil permeability significantly influenced by three-phase saturation and rock wettability.These findings establish a microscopic seepage model for optimizing enhanced oil recovery(EOR)strategies in volatile reservoirs.
文摘This study examines the current state of informatization education among county high school students.While students demonstrate a strong demand for informatization education,they face significant challenges,including inadequate hardware,limited access to online learning resources,and insufficient teacher proficiency in informatization education.Through a questionnaire survey,the research reveals an urgent need for expanded information technology courses and specialized training programs.In response,this paper proposes strategies such as increasing investment in IT education,optimizing teaching methodologies,and providing additional learning opportunities to enhance student engagement and comprehensively improve the quality of IT education and learning outcomes in county high schools.
基金Supported by Binzhou Social Sciences Planning Project in 2024(24-SKGH-051)Binzhou Comprehensive Experimental Station Project of Shandong Provincial Forage Industry Technology System(SDAIT-23-10).
文摘This paper investigated and analyzed the conservation and utilization of four local livestock breeds in Binzhou City:Wadi Sheep,Bohai Black Cattle,Wudi Donkey,and Lubei White Goat.Shortcomings in the protection and utilization of local germplasm resources were pointed out,and strategies and recommendations were proposed to promote high-quality development of livestock and poultry genetic resources in Binzhou,including building a solid germplasm foundation,standardizing production,and driving innovation.This paper provides references for the conservation,development,and utilization of local genetic resources in Binzhou City.
文摘Performance evaluation,as a multidimensional and comprehensive assessment tool,plays a pivotal role in accurately reflecting the quality of higher education and effectively promoting institutional governance.In the evolving landscape of educational reform,nonprofit private universities in China face pressing challenges in leveraging performance evaluations to standardize internal operations,guide strategic development,and foster public trust.This paper focuses on these institutions and conducts an in-depth analysis of existing problems in performance evaluation practices.Drawing on contemporary theoretical frameworks and empirical experiences,it proposes feasible,targeted governance strategies.The aim is to offer both theoretical insights and practical guidelines to support the sustainable development of non-profit private universities and to help these institutions better integrate into the national education system while fulfilling their social missions.
基金Heilongjiang Provincial Library Work Committee Project“Double First-Class Construction Research on the Development Strategy of Subject Services in University Libraries”(2024-016-B)。
文摘This paper aims to explore the development strategies for subject services in university libraries within the context of the“double first-class”initiative.By examining the relationship between“double first-class”construction and university library subject services,the study analyzes the current state of subject services,including resource development,service models,and team building.Drawing on domestic and international case studies,the paper proposes a series of targeted and practical strategies to enhance the quality of subject services in university libraries,thereby providing robust support for the advancement of the“double first-class”initiative.
文摘ASEAN’s major power balancing strategy refers to the balancing strategy adopted by ASEAN and its member states to seek national and regional security and development by maintaining multi-faceted friendship and impartiality with surrounding major powers.The evolution of this strategy is a process of dynamic adjustment,with ASEAN and its members being the implementing subjects,major powers the objects.
基金the support from the National Natural Science Foundation of China(NSFC Grant No.:52004032)。
文摘The development of gas condensate reservoirs with a large gas cap,thin oil rim,strong bottom water,and natural barriers faces numerous challenges,including reservoir heterogeneity,coning effects,phase changes,and multiphase flow dynamics.The influx of gas and water may lead to a low recovery of the oil rim,while reservoir heterogeneity and natural barriers further exacerbate the uneven distribution of reservoir fluid,complicating development strategies.This paper aims to investigate innovative and effective development strategies for this type of reservoir.A detailed,proportionally scaled numerical simulation is performed based on the experimental results of an artificial sand-filled model,providing novel insights into the dynamic behavior of these reservoirs.By understanding the phase behavior and fluid flow characteristics of the reservoir,the study simulates various strategies for the rational and efficient development of the gas condensate reservoir.These strategies include well patterns and completions,the decision to develop the oil rim or gas cap,depletion rates,the bottom water control,and gas injection.The results show that horizontal wells or highly deviated wells are more suitable for the development of the oil rim,as they provide larger control ranges.The presence of strong bottom water is advantageous for displacement energy supply and pressure maintenance,but it intensifies water coning effects,leading to an earlier breakthrough and a sharp production decline.Therefore,it is preferable to apply highly deviated wells at the oil-gas contact,developing the oil rim at lower rates and smaller pressure gradients,followed by developing the gas cap.This approach can reduce water coning effects and improve recovery,with oil and gas recovery reaching 24.4%and 67.95%,respectively,which is an increase of 16.74%and 17.84%compared to direct depletion development of the gas cap.Due to the strong water bottom,continuous gas injection at the top of the reservoir becomes challenging.This study introduces gas assisted gravity drainage with water control technology,a novel and highly effective approach that addresses the impact of bottom water coning effects on the oil and gas zones and overcomes the limitations of gas flooding in reservoirs with strong bottom water.This method can significantly improve oil and gas recovery,achieving recovery of 39.74%and 84.50%,respectively.Compared to the conventional depletion strategy of sequential oil rim and gas cap development,this method achieves additional improvements of 15.33%and 16.55%in oil and gas recovery,respectively.