THE GEOLOGICAL STRUCTURES AND THE OIL AND GAS POTENTIAL OF THE ZHUJIANGKOU BASIN, THE SOUTH CHINA SEA
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摘要: 珠江口盆地是我国广东陆架上的大型含油气盆地,面积约15万平方公里,新生代沉积厚度超过6000米。自从1979年珠五井试获工业油流后,对今后的石油勘探开发工作展现了可喜的前景,已为国内外石油地质界所瞩目的海域之一。近几年来,在加强了海洋地质调查工作部署以后,对南海北部约30万平方公里的海Abstract: The Zhujiangkou Basin is a large Cenozoic oil-and gas-bearing basin on the continental shelf off Canton, China. The first test hole was spudded October, 1977, and industrial oil flow was obtained from Pearl No.5 Well Aug., 1979. It occupies an area of approximately 150,000 square kilometers. As the tectonic movement of Late Eocene brought the land area widely uplifted and the sea area rapidly subsided, the basin has turned out to be a marginal depression, owing to the faulting tension of earth crust. It has undergone three stages of development. Eight second-order structural units can be recognized within the basin, including three major depressions. The Cenozoic stratum exceeds 6,000 meters in thickness, containing rich organic material, excellent source and reservoir rocks, and various types of local structural traps. The regional oil-and gas-bearing sequences of the basin with oil of high quality and abundant reserves are well developed. The Zhujiangkou Basin is one of the few major oil-and gas-bearing basins which have not been explored and developed in the world so far. Its significance has already been realized by the petroleum geological community both domestic and abroad.
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[1] 黄汲清等,中国大地构造基本轮廓,地质学报,1977年第2期. [2] 朱夏,关于盆地研究的几点意见,石油实验地质,第2卷第3期,1980年. [3] A Geophysical.Atlas of the East and Southeast Asian Seas. Compiled under the direction of Dennis E. Hayes, Lamont-Doherty Geological Observatory.1978.
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