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Petroleum Characteristics and Controlling Factors in Lunnan Low Uplift,Tarim Basin 被引量:3

Petroleum Characteristics and Controlling Factors in Lunnan Low Uplift,Tarim Basin
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摘要 The Lunnan (轮南) low uplift is a complex basin that is situated in northwestern China. This area had undergone a range of tectonic events, and there are multi-production zones and reservoir types. Also, heavy oil, common black oil, volatilization oil, condensate oil and natural gas are approximately under the same stratum pressure grads and geothermal grads. The east Lunnan low uplift is mainly composed of condensate oil and natural gas, the middle part has many types of petroleum and the west part mostly has heavy oil. The petroleum geochemistry may be the principal reason for the great difference of the oil and gas characteristics. The heavy oil in the west part is established by the biodegradation and mixing effect. The mixing effect in the middle part produced the complex petroleum distribution, and the oil cracking effect and mixing effect, or air cutting effect in the east part is proof of the existence of the industrial condensate gas reservoir and waxy oil. Understanding of the complex petroleum reservoir can further supervise the development of petroleum exploration in the Lunnan low uplift. The Lunnan (轮南) low uplift is a complex basin that is situated in northwestern China. This area had undergone a range of tectonic events, and there are multi-production zones and reservoir types. Also, heavy oil, common black oil, volatilization oil, condensate oil and natural gas are approximately under the same stratum pressure grads and geothermal grads. The east Lunnan low uplift is mainly composed of condensate oil and natural gas, the middle part has many types of petroleum and the west part mostly has heavy oil. The petroleum geochemistry may be the principal reason for the great difference of the oil and gas characteristics. The heavy oil in the west part is established by the biodegradation and mixing effect. The mixing effect in the middle part produced the complex petroleum distribution, and the oil cracking effect and mixing effect, or air cutting effect in the east part is proof of the existence of the industrial condensate gas reservoir and waxy oil. Understanding of the complex petroleum reservoir can further supervise the development of petroleum exploration in the Lunnan low uplift.
出处 《Journal of Earth Science》 SCIE CAS CSCD 2010年第2期236-246,共11页 地球科学学刊(英文版)
基金 supported by the National Basic Research Program (No.2006CB202300)
关键词 Lunnan low uplift condensate oil natural gas heavy oil mixing effect biodegradation. Lunnan low uplift, condensate oil, natural gas, heavy oil, mixing effect, biodegradation.
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