According to the 2025 edition of Chinese Science and Technology Journal Citation Reports(Core Edition)released by the Institute of Scientific and Technical Information of China,Petroleum Exploration and Development ac...According to the 2025 edition of Chinese Science and Technology Journal Citation Reports(Core Edition)released by the Institute of Scientific and Technical Information of China,Petroleum Exploration and Development achieved a core impact factor of 6.246 in 2024.It ranked 2nd among 2,202 core journals of natural sciences and 1st among 41 journals in the petroleum and natural gas engineering category,with a total core citation frequency of 7,502.展开更多
A giant gasfield refers to a gasfield with proved geological reserves of natural gas more than 30 billion cubic meters,peak annual output of natural gas more than 1 billion cubic meters,and a certain plateau period.It...A giant gasfield refers to a gasfield with proved geological reserves of natural gas more than 30 billion cubic meters,peak annual output of natural gas more than 1 billion cubic meters,and a certain plateau period.It is an important foundation for the rapid growth of China's natural gas reserves and production and its long-term stable development in the future.And it is also the key to ensure the security of gas supply.By systematically analyzing the development practice of more than 260 gasfields at home and abroad and dissecting and simulating typical gasfields,this paper comprehensively studied the connotation,core technology and whole life cycle index system on the scientific development of giant gasfields.It is indicated that the scientific development connotation of giant gasfields consists of the following parts.First,the natural gas development concept with“water identification,control and treatment”as the technical system is put forward.That is to carry out“water-control development”in conventional gasfields and hydraulic fracturing development in unconventional gasfields.A reasonable gas production rate should be set according to the types and characteristics of gas reservoirs.Second,economic and social benefits of gasfield development should be evaluated comprehensively to ensure its long-term stable production.Third,the suitable production stabilization mode shall be adopted according to the production characteristics of gas wells and the development characteristics of reservoirs.Fourth,the recoverable reserves of a gasfield,the development laws of formation water and artificial waterflooding,the ultimate recovery technological countermeasures of the gasfield,the cost-effective stable period of the gasfield should be determined based on thefine description of conventional and unconventional gas reservoirs in different stages,the development characteristics of gas reservoirs and the monitoring results of production performance.The core technologies in the scientific development of giant gasfields include large-scale optimization technology,scientific well arrangement technology,balanced production technology and deep potential tapping technology.Based on this,several parameters are selected comprehensively as the key indexes for the scientific development of giant gasfields,such as production rate,pressure drop,degree of reserves recovery and output per unit pressure drop,and the whole life cycle index systems for four types of gas reservoirs are established,i.e.,high-pressure gas reservoirs,low-permeability and tight gas reservoirs,fracturedeporous reservoirs,and shale gas reservoirs.In conclusion,the research results enrich and improve the theories of natural gas development geology and are conducive to guiding the scientific development of different-type giant gasfields,thus further promoting the rapid development of natural gas industry in China.展开更多
文摘According to the 2025 edition of Chinese Science and Technology Journal Citation Reports(Core Edition)released by the Institute of Scientific and Technical Information of China,Petroleum Exploration and Development achieved a core impact factor of 6.246 in 2024.It ranked 2nd among 2,202 core journals of natural sciences and 1st among 41 journals in the petroleum and natural gas engineering category,with a total core citation frequency of 7,502.
基金supported by the National Science and Technology Major Project"Giant Oil and Gas Fields and CBM Development"(No.:2016ZX05015).
文摘A giant gasfield refers to a gasfield with proved geological reserves of natural gas more than 30 billion cubic meters,peak annual output of natural gas more than 1 billion cubic meters,and a certain plateau period.It is an important foundation for the rapid growth of China's natural gas reserves and production and its long-term stable development in the future.And it is also the key to ensure the security of gas supply.By systematically analyzing the development practice of more than 260 gasfields at home and abroad and dissecting and simulating typical gasfields,this paper comprehensively studied the connotation,core technology and whole life cycle index system on the scientific development of giant gasfields.It is indicated that the scientific development connotation of giant gasfields consists of the following parts.First,the natural gas development concept with“water identification,control and treatment”as the technical system is put forward.That is to carry out“water-control development”in conventional gasfields and hydraulic fracturing development in unconventional gasfields.A reasonable gas production rate should be set according to the types and characteristics of gas reservoirs.Second,economic and social benefits of gasfield development should be evaluated comprehensively to ensure its long-term stable production.Third,the suitable production stabilization mode shall be adopted according to the production characteristics of gas wells and the development characteristics of reservoirs.Fourth,the recoverable reserves of a gasfield,the development laws of formation water and artificial waterflooding,the ultimate recovery technological countermeasures of the gasfield,the cost-effective stable period of the gasfield should be determined based on thefine description of conventional and unconventional gas reservoirs in different stages,the development characteristics of gas reservoirs and the monitoring results of production performance.The core technologies in the scientific development of giant gasfields include large-scale optimization technology,scientific well arrangement technology,balanced production technology and deep potential tapping technology.Based on this,several parameters are selected comprehensively as the key indexes for the scientific development of giant gasfields,such as production rate,pressure drop,degree of reserves recovery and output per unit pressure drop,and the whole life cycle index systems for four types of gas reservoirs are established,i.e.,high-pressure gas reservoirs,low-permeability and tight gas reservoirs,fracturedeporous reservoirs,and shale gas reservoirs.In conclusion,the research results enrich and improve the theories of natural gas development geology and are conducive to guiding the scientific development of different-type giant gasfields,thus further promoting the rapid development of natural gas industry in China.
