Unconventional oil and gas resources are playing an important role in the global energy structure. The global unconventional oil and gas resources are abundant, and some of them have already achieved commercial development. The China Petroleum Institute’s Geological Specialty Committee and the Langfang Branch of the China Petroleum Exploration and Development Research Institute recently held unconventional oil and gas exploration and development new fields and new technology seminars in Beijing. More than 100 experts and scholars from PetroChina, Sinopec, China University of Petroleum, and China University of Geosciences have conducted extensive discussions on the development trend of unconventional oil and gas resources at home and abroad, new fields of exploration, and research and development of key technologies.
China's Unconventional Oil and Gas Resources Reserves Unconventional oil and gas resources include coalbed methane (gas), oil sands, oil shale, combustible ice, and shale gas. Dr. Wang Hongyan, director of the New Energy Research Institute of the Langfang Branch of the China Petroleum Exploration and Development Research Institute, interviewed the reporter and introduced the distribution and reserves of unconventional oil and gas resources in China.
China is rich in coalbed methane resources and develops rapidly. It has 36.8 trillion cubic meters of resources, ranking third in the world, equivalent to 66% of conventional natural gas resources. China National Petroleum Corporation and China United have begun commercial operations in southern Qinshui Basin. Development. By the end of 2007, China's oil CBM production capacity reached 300 million cubic meters, and the largest 3 billion cubic meters of CBM treatment plant in China is under construction.
China's oil sand resources are abundant and widely distributed, mainly in the western and eastern basins. China's oil sands oil resources amounted to 5.97 billion tons, and were mainly distributed in large basins such as Junggar, Qaidam, Songliao, Ordos, Tarim, and Sichuan. The 11 major basins account for 97.6% of the country's geological resources and 97.5% of the recoverable resources. In 2007, CNPC made a major breakthrough in the oil sands exploration in the Junggar Basin and obtained control reserves of 120 million tons of oil sands, a key step towards the industrialization of oil sands.
China's shale oil geological resources amounted to 47.6 billion tons, mainly in the eastern region, the Qinghai-Tibet region and the central region. The shale oil resources in the eastern region accounted for 35% of the country's total; shale oil proved reserves of 2 billion tons, mainly distributed in Jilin Province, Guangdong Province, and Liaoning Province. The use of oil shale has begun to take shape and the output has reached more than 300,000 tons. China's shale gas resources are also very abundant, and the amount of resources can reach 100 trillion square meters, which is equivalent to twice the amount of conventional natural gas. China's hydrate resources have great potential and broad prospects, among which the resource potential of the South China Sea is the largest.
With the rapid economic growth in China, the demand for energy is increasing. The Chinese Strategy for Oil and Gas Resources for Sustainable Development, completed by the Chinese Academy of Engineering, provides a basic estimate of China's oil and gas supply and demand situation. The contradiction between supply and demand for oil and natural gas in China will persist for a long time. It is difficult to meet the needs of national economic development by relying solely on conventional oil and gas supply.
Wang Hongyan stated that China already has a resource base and technical reserves for the development of new energy. Under the guidance of the national macro energy policy, it has given full play to its advantages in resources, technology and capital, actively promoted the development of unconventional oil and gas resources, and steadily developed renewable energy and new energy sources. The scale of development will make new and greater contributions to safeguarding national energy security.
There is still need to carry out more research work on scientific and technological innovations, and technical problems are continuously resolved, accelerating the development and utilization of unconventional oil and gas resources. Researcher Lei Qun, vice president of the Research Institute of Petroleum Exploration and Development of China, told the reporter that the understanding of geology has continued and geological theory has been continuously innovated, providing a solid science and technology for guiding unconventional oil and gas exploration. The exploration and development of unconventional oil and gas resources develop from shallow to deep layers, from traps to reservoirs, to source rocks, from low to high viscosity, and from high permeability to low permeability. The secondary fracturing technology can effectively increase shale gas production per well, which can make production close to or exceed the output of the initial fracturing. The application of horizontal well technology has enabled effective economic development of shale gas reservoirs with no cracks or cracks. The technology for increasing production of coalbed methane continues to innovate and yields continue to increase. The nitrogen plug removal technology is widely used in the Albert Basin to significantly increase CBM well recovery. Oil sand development technology has been continuously innovated to form a variety of unique technologies.
Participating experts believe that due to the complexity and particularity of unconventional oil and gas geological conditions, the poor applicability of some of the development technologies, the low yield of single wells in low-permeability reservoirs, and the lack of effective production-increasing technologies; the low comprehensive utilization efficiency and serious environmental pollution and other factors It is decided that a lot of research work needs to be carried out to realize the replacement of conventional energy by unconventional energy sources.
Wang Hongyan said that with the continuous increase in the cost of conventional oil and gas exploration and development, the world will pay more attention to new energy sources, and investment in new energy will continue to increase. Unconventional oil and gas resources will be more and more identified. Shale gas and hydrates will be gradually developed in scale. Therefore, new theories and new resources need to be established. The unconventional oil and gas in our country has many characteristics, such as many points, wide areas, and great difficulty. Its evaluation methods, mining methods, applied technologies, etc., have huge differences with conventional oil and gas, lack of new thinking and new technologies. Some of the key technologies such as coalbed methane horizontal well fracturing, oil shale, and oil sand refining technologies need to be tackled, and new breakthroughs have been made in the application of new technologies.
Wang Hongyan believes that the practicality and economy of the optimization technology are the insurmountable stages for the development of new energy in the future; increasing investment, drilling more development wells, and increasing total production are the only way for CBM development. Lei Qun believes that in the development of unconventional oil and gas, it is necessary to dispose of waste water, waste gas, and waste slag and use it in a variety of ways to make comprehensive use of it, turn waste into treasure, protect the ecological environment, and take a sustainable development path. Experts at the meeting believe that the new energy must achieve a true alternative role, the road is still very long, and we need to make more efforts on resources and production technology.
To produce 3 million tons of oil equivalent production capacity in the next three years Hu Wenrui, vice president of China National Petroleum Corporation, briefed the reporter on the status and prospects of the development of the unconventional oil and gas business of China Petroleum. Hu Wenrui said that as the largest energy company in China, CNPC is actively and effectively promoting the development of unconventional business. By 2010, CNPC will invest 10 billion yuan in the research and development of new energy sources to form a new energy production capacity of 3 million tons of oil equivalent, of which the production of coalbed methane, fuel ethanol, and biodiesel will account for 40% of the country's total. Shale oil and oil sands production accounted for 20% of the country's total.
Since the 1990s, China has carried out a lot of work in the fields of coalbed methane, oil sands, oil shale, fuel ethanol, and biodiesel. It has achieved positive results and laid the foundation for large-scale unconventional operations. CNPC has built the most advanced CBM laboratory in the country and built a gas field with an annual production capacity of 300 million cubic meters in terms of CBM production capacity. The largest 3 billion cubic meters of CBM treatment plant in China is under construction. The evaluation of oil sand resources and exploration and pilot test bases for oil sand resources in the northwestern margin of the Junggar Basin in Xinjiang are steadily underway. In recent years, scientific and technological workers in the Chinese petroleum system have summarized the types of oil sand mineralization and the characteristics of mineralization in China, and proposed the characteristics of rich and integrated ore deposits and three types of formation mechanisms for oil sands. Xinjiang's Fengcheng, Hongshanzui, Baijiantan, Heiyoushan and Inner Mongolia are the most favorable targets for the most enriched and exploited oil sands in China. In addition, CNPC also conducted an oil shale fine survey in the Liushuhe Basin of Daqing and started the construction of a 30,000-ton pilot plant. In accordance with the principle of “not competing with people and not competing with grainâ€, CNPC is vigorously promoting non-food fuel ethanol. project.
Unconventional oil and gas resources have played an important role in the global energy structure, and their prospects for industrialization are broad. At present, the world's unconventional oil production exceeds 75 million tons, and unconventional natural gas production exceeds 180 billion cu. Hu Wenrui said that the challenges faced in the development of unconventional oil and gas resource industries include: First, the exploration of unconventional energy resources is relatively low, and the need to increase resource evaluation efforts; Second, some key technologies for unconventional oil and gas resources need continuous research; Third, environmental protection The development of unconventional oil and gas resources business has put forward higher requirements. Fourth, the business of unconventional oil and gas resources has a large investment and a long period, and it is difficult to realize the economic benefits in the short term. To achieve the goal of 1.5 billion cubic meters of CBM production capacity in 2010, non-food energy crops to produce 1.3 million tons of fuel ethanol, and 6 million acres of biodiesel energy crop bases, China National Petroleum Corporation will increase its investment in science and technology and take the low-cost development route. , steadily promote the development of new energy and sound and fast.
China's Unconventional Oil and Gas Resources Reserves Unconventional oil and gas resources include coalbed methane (gas), oil sands, oil shale, combustible ice, and shale gas. Dr. Wang Hongyan, director of the New Energy Research Institute of the Langfang Branch of the China Petroleum Exploration and Development Research Institute, interviewed the reporter and introduced the distribution and reserves of unconventional oil and gas resources in China.
China is rich in coalbed methane resources and develops rapidly. It has 36.8 trillion cubic meters of resources, ranking third in the world, equivalent to 66% of conventional natural gas resources. China National Petroleum Corporation and China United have begun commercial operations in southern Qinshui Basin. Development. By the end of 2007, China's oil CBM production capacity reached 300 million cubic meters, and the largest 3 billion cubic meters of CBM treatment plant in China is under construction.
China's oil sand resources are abundant and widely distributed, mainly in the western and eastern basins. China's oil sands oil resources amounted to 5.97 billion tons, and were mainly distributed in large basins such as Junggar, Qaidam, Songliao, Ordos, Tarim, and Sichuan. The 11 major basins account for 97.6% of the country's geological resources and 97.5% of the recoverable resources. In 2007, CNPC made a major breakthrough in the oil sands exploration in the Junggar Basin and obtained control reserves of 120 million tons of oil sands, a key step towards the industrialization of oil sands.
China's shale oil geological resources amounted to 47.6 billion tons, mainly in the eastern region, the Qinghai-Tibet region and the central region. The shale oil resources in the eastern region accounted for 35% of the country's total; shale oil proved reserves of 2 billion tons, mainly distributed in Jilin Province, Guangdong Province, and Liaoning Province. The use of oil shale has begun to take shape and the output has reached more than 300,000 tons. China's shale gas resources are also very abundant, and the amount of resources can reach 100 trillion square meters, which is equivalent to twice the amount of conventional natural gas. China's hydrate resources have great potential and broad prospects, among which the resource potential of the South China Sea is the largest.
With the rapid economic growth in China, the demand for energy is increasing. The Chinese Strategy for Oil and Gas Resources for Sustainable Development, completed by the Chinese Academy of Engineering, provides a basic estimate of China's oil and gas supply and demand situation. The contradiction between supply and demand for oil and natural gas in China will persist for a long time. It is difficult to meet the needs of national economic development by relying solely on conventional oil and gas supply.
Wang Hongyan stated that China already has a resource base and technical reserves for the development of new energy. Under the guidance of the national macro energy policy, it has given full play to its advantages in resources, technology and capital, actively promoted the development of unconventional oil and gas resources, and steadily developed renewable energy and new energy sources. The scale of development will make new and greater contributions to safeguarding national energy security.
There is still need to carry out more research work on scientific and technological innovations, and technical problems are continuously resolved, accelerating the development and utilization of unconventional oil and gas resources. Researcher Lei Qun, vice president of the Research Institute of Petroleum Exploration and Development of China, told the reporter that the understanding of geology has continued and geological theory has been continuously innovated, providing a solid science and technology for guiding unconventional oil and gas exploration. The exploration and development of unconventional oil and gas resources develop from shallow to deep layers, from traps to reservoirs, to source rocks, from low to high viscosity, and from high permeability to low permeability. The secondary fracturing technology can effectively increase shale gas production per well, which can make production close to or exceed the output of the initial fracturing. The application of horizontal well technology has enabled effective economic development of shale gas reservoirs with no cracks or cracks. The technology for increasing production of coalbed methane continues to innovate and yields continue to increase. The nitrogen plug removal technology is widely used in the Albert Basin to significantly increase CBM well recovery. Oil sand development technology has been continuously innovated to form a variety of unique technologies.
Participating experts believe that due to the complexity and particularity of unconventional oil and gas geological conditions, the poor applicability of some of the development technologies, the low yield of single wells in low-permeability reservoirs, and the lack of effective production-increasing technologies; the low comprehensive utilization efficiency and serious environmental pollution and other factors It is decided that a lot of research work needs to be carried out to realize the replacement of conventional energy by unconventional energy sources.
Wang Hongyan said that with the continuous increase in the cost of conventional oil and gas exploration and development, the world will pay more attention to new energy sources, and investment in new energy will continue to increase. Unconventional oil and gas resources will be more and more identified. Shale gas and hydrates will be gradually developed in scale. Therefore, new theories and new resources need to be established. The unconventional oil and gas in our country has many characteristics, such as many points, wide areas, and great difficulty. Its evaluation methods, mining methods, applied technologies, etc., have huge differences with conventional oil and gas, lack of new thinking and new technologies. Some of the key technologies such as coalbed methane horizontal well fracturing, oil shale, and oil sand refining technologies need to be tackled, and new breakthroughs have been made in the application of new technologies.
Wang Hongyan believes that the practicality and economy of the optimization technology are the insurmountable stages for the development of new energy in the future; increasing investment, drilling more development wells, and increasing total production are the only way for CBM development. Lei Qun believes that in the development of unconventional oil and gas, it is necessary to dispose of waste water, waste gas, and waste slag and use it in a variety of ways to make comprehensive use of it, turn waste into treasure, protect the ecological environment, and take a sustainable development path. Experts at the meeting believe that the new energy must achieve a true alternative role, the road is still very long, and we need to make more efforts on resources and production technology.
To produce 3 million tons of oil equivalent production capacity in the next three years Hu Wenrui, vice president of China National Petroleum Corporation, briefed the reporter on the status and prospects of the development of the unconventional oil and gas business of China Petroleum. Hu Wenrui said that as the largest energy company in China, CNPC is actively and effectively promoting the development of unconventional business. By 2010, CNPC will invest 10 billion yuan in the research and development of new energy sources to form a new energy production capacity of 3 million tons of oil equivalent, of which the production of coalbed methane, fuel ethanol, and biodiesel will account for 40% of the country's total. Shale oil and oil sands production accounted for 20% of the country's total.
Since the 1990s, China has carried out a lot of work in the fields of coalbed methane, oil sands, oil shale, fuel ethanol, and biodiesel. It has achieved positive results and laid the foundation for large-scale unconventional operations. CNPC has built the most advanced CBM laboratory in the country and built a gas field with an annual production capacity of 300 million cubic meters in terms of CBM production capacity. The largest 3 billion cubic meters of CBM treatment plant in China is under construction. The evaluation of oil sand resources and exploration and pilot test bases for oil sand resources in the northwestern margin of the Junggar Basin in Xinjiang are steadily underway. In recent years, scientific and technological workers in the Chinese petroleum system have summarized the types of oil sand mineralization and the characteristics of mineralization in China, and proposed the characteristics of rich and integrated ore deposits and three types of formation mechanisms for oil sands. Xinjiang's Fengcheng, Hongshanzui, Baijiantan, Heiyoushan and Inner Mongolia are the most favorable targets for the most enriched and exploited oil sands in China. In addition, CNPC also conducted an oil shale fine survey in the Liushuhe Basin of Daqing and started the construction of a 30,000-ton pilot plant. In accordance with the principle of “not competing with people and not competing with grainâ€, CNPC is vigorously promoting non-food fuel ethanol. project.
Unconventional oil and gas resources have played an important role in the global energy structure, and their prospects for industrialization are broad. At present, the world's unconventional oil production exceeds 75 million tons, and unconventional natural gas production exceeds 180 billion cu. Hu Wenrui said that the challenges faced in the development of unconventional oil and gas resource industries include: First, the exploration of unconventional energy resources is relatively low, and the need to increase resource evaluation efforts; Second, some key technologies for unconventional oil and gas resources need continuous research; Third, environmental protection The development of unconventional oil and gas resources business has put forward higher requirements. Fourth, the business of unconventional oil and gas resources has a large investment and a long period, and it is difficult to realize the economic benefits in the short term. To achieve the goal of 1.5 billion cubic meters of CBM production capacity in 2010, non-food energy crops to produce 1.3 million tons of fuel ethanol, and 6 million acres of biodiesel energy crop bases, China National Petroleum Corporation will increase its investment in science and technology and take the low-cost development route. , steadily promote the development of new energy and sound and fast.
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