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Daqing Oil Field is located in the western part of Heilongjiang Province, in the central area of the Songnen Plain, between the cities of Harbin and Qiqihar. The oil field is 140 kilometers long from north to south and 70 kilometers wide at its widest point from east to west, with a total area of 5,470 square kilometers. In March 1960, approval was given to launch an oil production drive; by 1963, a production capacity of 6 million tons had been achieved, with 4.39 million tons of crude oil produced that year, which played a decisive role in achieving China’s self-sufficiency in oil. In 1976, its crude oil production exceeded 50 million tons, making it China’s largest oil field. At present, the Daqing Oilfield uses new processes and technologies to keep its crude oil production above 50 million tons. Shengli Oil Field is located in the Yellow River Delta region on the coast of the Bohai Sea in northern Shandong Province. It is spread across 28 counties (districts) in 8 cities including Dongying, Binzhou, Dezhou, Jinan, Weifang, Zibo, Liaocheng, and Yantai. Its main operating area covers approximately 44,000 square kilometers, making it China’s second-largest oil field. Liaohe Oil Field: The oil fields are mainly distributed in the middle and lower reaches of the Liaohe River plain, as well as in eastern Inner Mongolia and the tidal flat areas of the Liaodong Bay. 26 oil fields have been developed and constructed, giving rise to 9 major production bases including Xinglongtai, Shuguang, Huanxiling, Jinzhou, Gaosheng, Shenyang, Ciyutuo, Lengjia, and Horqin. These areas span 13 cities (prefectures) and 32 counties (banners) in Liaoning Province and the Inner Mongolia Autonomous Region, covering a total area of nearly 100,000 square kilometers; the oil production in this region ranks third in the country. Karamay Oil Field is located in Karamay City, Xinjiang. Over the past 40 years, 19 oil and gas fields have been discovered in the Junggar Basin and the Tarim Basin. Focusing on Karamay, 15 of these fields have been developed, resulting in a production capacity of 7.92 million tons of crude oil (6.031 million tons of light oil and 1.889 million tons of heavy oil), as well as a production capacity of 393 million cubic meters of natural gas. Since 1990, its onshore crude oil production has ranked fourth in the country. Sichuan Oil Field is located in the Sichuan Basin and has a history of 60 years. There are 85 gas fields, 12 oil fields, and 55 oil and gas-bearing structures in this area. Four gas fields have been established in the basin: the southern, southwestern, northwestern, and eastern fields. Currently, its natural gas production accounts for nearly half of the country’s total output, making it China’s largest gas field. Huabei Oilfield is located in Renqiu City, on the Central Hebei Plain in central Hebei Province, and includes oil and gas production areas in the Beijing, Hebei, Shanxi, and Mongolia regions. In 1975, well Ren 4, an exploration well in the Central Hebei Plain, produced a high-volume industrial oil flow of 1,000 tons per day, leading to the discovery of the Renqiu Oil Field – China’s largest carbonate rock buried oil field. In 1978, crude oil production reached 17.23 million tons, making a significant contribution to the country’s total crude oil output exceeding 100 million tons that year. Until 1986, it maintained an annual crude oil production of 10 million tons for 10 years. The current annual crude oil production is over 4 million tons. Dagang Oil Field is located in Dagang District, Tianjin. Its exploration area is extensive, covering the Dagang exploration zone as well as the Yurdus Basin in Xinjiang; the total exploration area amounts to 34,629 square kilometers, of which 18,629 square kilometers belong to the Dagang exploration zone. To date, 15 oil and gas fields and 24 development areas have been built and put into operation in the Dagang exploration area, resulting in an annual production capacity of 4.3 million tons of crude oil and 380 million cubic meters of natural gas. Currently, oil and gas structures weighing hundreds of millions of tons, such as the Qianmi Bridge structure, have been discovered, opening up new oil and gas fields for increasing reserves and production in existing oil fields. The Zhongyuan Oil Field is located in the Puyang area of Henan Province. It was discovered in 1975, and after 20 years of exploration, development, and construction, a total of 455 million tons of oil reserves and 39.57 billion cubic meters of natural gas reserves have been identified. To date, 77.23 million tons of crude oil and 13.38 billion cubic meters of natural gas have been produced. It has now become one of the important oil and gas production bases in eastern China. Jilin Oilfield is located in the Fuyu area of Jilin Province. Oil and gas exploration and development take place in the two major basins within Jilin Province; 18 oilfields have been discovered and developed to date. Among them, the Fuyu and Xinmin oilfields are large-scale oilfields with reserves exceeding 100 million tons each. The production volume of these oilfields exceeds 3.5 million tons of crude oil per year, and their crude oil processing capacity amounts to 700,000 tons, reflecting their status as super-large-scale enterprises. Henan Oilfield is located in the Nanyang Basin in southwestern Henan Province. The oil field covers three cities – Nanyang, Zhumadian, and Pingdingshan – and is spread across 8 counties including Xinye and Tanghe. A total of 14 oil fields have been identified, with proven oil geological reserves of 170 million tons and an oil-bearing area of 117.9 square kilometers. Changqing Oilfield: The exploration area is mainly located in the Shaanxi-Gansu-Ningxia Basin, with a total exploration area of about 370,000 square kilometers. Oil and gas exploration, development, and production began in 1970, during which 22 oil and gas fields were discovered, 19 of them being oil fields. The total proven geological reserves of oil and gas amount to 541.888 million tons (including 233.008 billion cubic meters of proven natural gas reserves, converted to an equivalent value in crude oil terms). Currently, this area serves as one of China’s main natural gas production regions and is also a key base for transporting natural gas to Beijing. Jianghan Oilfield is an important comprehensive oil base in the central and southern regions of China. Oil fields are mainly distributed in 7 cities and counties within Hubei Province, such as Qianjiang and Jingsha, as well as in Shouguang City and Guangrao County in Shandong Province, and in Hengyang City in Hunan Province. A total of 24 oil and gas fields have been discovered; the proven oil-bearing area is 139.6 square kilometers, while the proven gas-bearing area is 71.04 square kilometers. To date, 21.1873 million tons of crude oil and 954 million cubic meters of natural gas have been produced. Jiangsu Oil Field: The oil fields are mainly located in 8 counties and cities across four regions of Jiangsu Province – Yangzhou, Yancheng, Huaiyin, and Zhenjiang – with 22 oil and gas fields that have been put into development. The main area of exploration at present is the Dongtai Depression in the Northern Jiangsu Basin. Qinghai Oil Field is located in the Qaidam Basin in the northwest of Qinghai Province. The basin covers an area of about 250,000 square kilometers, with a sedimentary area of 120,000 square kilometers; the Cenozoic and Mesozoic sedimentary areas with potential for oil and gas resources amount to approximately 96,000 square kilometers. To date, 16 oil fields and 6 gas fields have been discovered. The Tarim Oil Field is located in the Tarim Basin in southern Xinjiang. It is 1,400 kilometers long and 520 kilometers wide at its widest point from north to south, with a total area of 560,000 square kilometers; it is the largest inland basin in China. In the center is the Taklamakan Desert, known as the “Sea of Death”. After the high-volume oil and gas flow was emitted from Well Lunnan 2 in 1988, seven years of exploration have resulted in the identification of 9 large and medium-sized oil and gas fields as well as 26 oil and gas-bearing structures. The total proven geological reserves of oil and gas amount to 378 million tons, providing a resource base that allows for an annual production of 5 million tons of crude oil, 1 million tons of equivalent oil, and 2.5 billion cubic meters of natural gas. Tuhua Oil Field is located in the Turpan and Hami basins in Xinjiang, and is responsible for oil exploration in these basins. The basin is 600 kilometers long from east to west and 130 kilometers wide from north to south, with an area of about 53,000 square kilometers. The comprehensive exploration and development campaign for the Tuhua oil field was launched in February 1991. By the end of 1995, a total of 14 oil and gas fields including Shanshan and Wengjisang, as well as 6 oil and gas-bearing structures, had been discovered. The area containing oil and gas resources was 178.1 square kilometers, with proven oil geological reserves of 208 million tons and natural gas reserves of 73.1 billion cubic meters. Yumen Oilfield is located within the territory of Yumen City, Gansu Province, with a total area of 114.37 square kilometers. The oil field was put into development in 1939, and in 1959 its crude oil production reached 1.4029 million tons, accounting for 50.9% of the country’s total crude oil output that year. It achieved outstanding results of 600,000 tons of stable production for 10 years in the 1970s, and 500,000 tons of stable production for 10 years in the 1980s. It is known as the cradle of China’s petroleum industry. Yunnan-Guizhou-Guangxi Petroleum Exploration Bureau is responsible for the exploration and development of oil and natural gas in the three provinces/regions of Yunnan, Guizhou, and Guangxi. The regional area is 860,000 square kilometers, featuring extensive Mesozoic rocks as well as numerous Tertiary small basins; the area available for exploration is 277,000 square kilometers. Significant breakthroughs have been achieved in oil and gas exploration in areas such as Baise, Chishui, and Chuxiong, demonstrating the broad prospects for oil and gas development in the Yunnan-Guizhou-Guangxi region. Jidong Oil Field is located along the coast in the northern part of the Bohai Bay. The oil field exploration and development area covers seven counties in two cities, namely Tangshan and Qinhuangdao, as well as Tanghai, with a total area of 6,300 square kilometers, of which 3,600 square kilometers are land and 2,700 square kilometers are intertidal zones and very shallow seas. Successively, 13 oil-bearing strata systems were discovered in 7 oil fields, including GaoShangBao, LiuZan, and YangGeZhuang. Attachment: oildistribute.gif (89.47 KB)