摘要
以澳大利亚南部的吉普斯兰盆地和中国东北部的松辽盆地为例，通过对它们所处的地理位置、内部结构构造特征、油气藏类型、油气藏的分布特征、生储盖特征以及形成时代的比较，对纵向拼合式裂谷盆地形成的动力学机制及其含油气性作了探讨。阐明了具有相似结构构造特征和演化历史，同一时期处于相近地理环境中的沉积盆地，应具有相似的含油气远景；而这一切都是由近似的成盆动力学机制，即：地球深部动力所诱发的远源板内应力、地幔底辟等因素所控制的，再一次证明了裂谷类型的沉积盆地在油气勘探中的重要性；
This article takes Gipsland basin in the South of Australia and Songliao basin in the Northeast of China for examples.By a comparison of their geographical situation,internal structural and tectonic character, types and distributive character of oil and gas accumulation,characters of the source rock, the reservoir and the covering, and the age of their formation. The authers of this paper discuss the geodynamical formation mechanism of the rift basin,which are united in vertical direction,and their oil and gas character. This paper illustlates that basins, which have the similar structural and tectonic character and the similar evolution history and which are located at the similar geographical situation in the sametime, should have the similar oil and gas potential.All of these similarities are decided by their similar geodynamial mechanism of basin formation, i. e. by the farfield intraplate stress, which is produced by the energy in the depth of the earth and the mantle diapirism. The paper once again proves that rift sedimentary basin is a very important object in the oil and gas exploration. We point out that it′s necessary to do the oil and gas exploration in the pro rift system in the east area of China.
