泌阳凹陷Tg和T<sub>5</sub><sup>6</sup>构造应力场分析

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泌阳凹陷Tg和T₅⁶构造应力场分析

摘要: 文章利用有限元方法分析泌阳凹陷Tg和T₅⁶构造应力场特征, 得出应力分布图和构造位移图。根据应力场分析认为Tg、T₅⁶的构造应力场具有继承性;凹陷东缘陡坡区、南缘陡坡区等强张应力分布区是有利的油气运移、聚集区。

Abstract: By using the finite element method, this paper analyzes the character of the tectonic stress field of Tg and T₅⁶ in Biyang Depression. We conclude that T₅⁶ succeeds to Tg in the character of tectonic stress field, and there are two strong tectonic stress field areas in Biyang Depression:one is at eastern escarpment and another is at southern escarpment, where are the beneficial areas of hydrocarbon migration and accumulation.