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安徽省天长地区在构造上位于苏北南黄海陆缘盆地一隅,是一个在郯庐断裂引张作用下形成的第三系含油盆地。郯庐断裂发展的平移、张裂、挤压三个阶段左右了盆地发展历史,形成“南北分带、东西分块”的构造格局。使油气富集于北东向构造与北北西向构造的迭加部位。乔田构造带位于这种有利部位,应进一步加强勘探工作。在中国东部,第四系地貌反映了第三系含油构造的一些特点,这就使利用遥感资料解译断裂系统与第三系含油构造关系、以至直接定井位找油的尝试成为可能。
The Tianchang area in Anhui Province is structurally located at a corner of the marginal basin of the Yellow Sea in southern North Jiangsu Province and is a Tertiary oil-bearing basin formed under the Zhangtou fault extension. The development of the Tan-Lu fault translates into three stages: the history of the basin development and the formation of the tectonic framework of “North-South division and East-West division.” So that oil and gas enrichment in the north-east tectonics and north-northwest tectonic superimposed parts. Qiaotian tectonic belt located in such a favorable position, should further strengthen the exploration work. In eastern China, the Quaternary landscape reflects some characteristics of Tertiary oil-bearing structures. This makes it possible to use interpretation data to interpret the relationship between the fault system and Tertiary oil-bearing structures and to find oil directly at the well bore.