Re-exploration of a 50-million-ton-plus monolithic reservoir in Junggar Basin, Xinjiang

After two consecutive years of “deep” exploration, the Xinjiang Oilfield Company has identified an oil-bearing area of ​​16.88 square kilometers and a reserve of 50.57 million tons in the east of the Junggar Basin. This is a 50 million ton-plus monolithic-scale reservoir discovered by the Xinjiang Oilfield Company in the Ji 7 Well Area since 1990.

The reporter learned from the Karamay Municipal Party Committee in Xinjiang that the proven 50-million-ton integrated oil reservoir is the Permian Wutonggou Formation reservoir in Ji 7 well area, located on the east slope of Jimusar sag in the east of Junggar Basin, away from Jimsar The county seat is about 14 kilometers. Since 2010, after two consecutive years of “deep” exploration, Xinjiang Oilfield Company has ascertained that the oil-covered area is 16.88 square kilometers and the reserve size is 50.57 million tons.


According to briefings, as early as the 1950s, oil and gas exploration was carried out in this area, and the K7 well drilled in 1990 obtained industrial oil flow. With continuous exploration and deepening understanding of the Permian Indugou Formation reservoir in the Ji 7 Well Area, from 2010 to 2011, Xinjiang Oilfield Company continued to use this new technology for oil exploration, and deployed and implemented 16 evaluation wells. 11 industrial oil flow was obtained, which rejuvenated the “old oil area” and made an important breakthrough in exploration.

Since the next year, this newly discovered fully-integrated oilfield will undergo development tests, and will enter large-scale development in the following year. It is expected that an oilfield with an annual output of one million tons will be completed. According to the Karamay Municipal Committee, with the re-exploration of a 50 million-ton or more fully-integrated oil reservoir and the good signs of exploration in the Cainan operation area, the eastern part of the Junggar Basin will become the master of the Xinjiang Oilfield Company’s struggle for storage during the “Twelfth Five-Year Plan” period. In the battlefield, new proven reserves are expected to reach more than 100 million tons.

The eastern part of the Junggar Basin is an oil and gas rich area in the Junggar Basin. From the 1980s onwards, the Huoshaoshan, Beishantai, Cainan, and Shanan oilfields were discovered. In recent years, due to advances in exploration technology, the eastern part of the Zhundong region has ushered in a period of peak oil and gas reserves growth.

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