Reservoir types and favorable oil-gas exploration zone prediction of the Upper Ordovician Lianglitage Formation in Tazhong No.1 fault belt of Tarim Basin
Liu Luofu1,2, Li Yan1,2, Wang Ping1,2, Chen Zhijun1,2, Wang Weibin1,2, Pang Xiongqi1,2, Jiang Zhenxue1,2, Xiang Caifu1,2, Yang Haijun3, Han Jianfa3
1 State Key Laboratory of Petroleum Resource and Prospecting， China University of Petroleum(Beijing); Key Laboratory for Hydrocarbon Accumulation of Education Ministry， China University of Petroleum(Beijing)，Beijing 102249 2 Basin & Reservoir Research Center，China University of Petroleum(Beijing)，Beijing 102249 3 PetroChina Tarim Oilfield Company，Korla 841000，Xinjiang
Abstract The Upper Ordovician Lianglitage Formation is one of the typical carbonate reservoirs in China and has a considerable exploration potential. Therefore， further studies of the types and distribution of this reservoir have a great significance in guiding the next step of exploration in the Tazhong area. Based on the analyses of core data and the relationship between porosity and permeability，the carbonate reservoir of the Lianglitage Formation in the Upper Ordovician in Tazhong No.1 fault belt has been studied and is divided into three types:pore type，fissure type and fissure-pore type. According to the reservoir types of individual wells in different formations，combined with the controlling factors of the reservoirs，including sedimentary facies，fracture and so on，the distribution of individual type reservoir is determined for the three different formations. The fissure-type reservoir is widely distributed. The pore types distribution is narrow in this area. The fissure pore type which is the most favorable type for petroleum accumulation was mainly developed in the Member 2 of the Lianglitage Formation. Finally，The Tazhong well 82 and Tazhong well 24 areas are predicted to be the favorable exploration zones for the Upper Ordovician in Tazhong No.1 fault belt.
About author: Liu Luofu，born in 1958，obtained his Ph.D. degree in School of Chemistry，the University of Bristol，UK in 1992. Now he is a professor of Faculty of Resources and Information，China University of Petroleum(Beijing)and is mainly engaged in teaching and researches on sedimentology and petroleum geology. E-mail:liulf@cup.edu.cn.
Cite this article:
Liu Luofu,Li Yan,Wang Ping et al. Reservoir types and favorable oil-gas exploration zone prediction of the Upper Ordovician Lianglitage Formation in Tazhong No.1 fault belt of Tarim Basin[J]. JOURNAL OF PALAEOGEOGRAPHY, 2008, 10(3): 221-230.
Liu Luofu,Li Yan,Wang Ping et al. Reservoir types and favorable oil-gas exploration zone prediction of the Upper Ordovician Lianglitage Formation in Tazhong No.1 fault belt of Tarim Basin[J]. JOPC, 2008, 10(3): 221-230.
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