| 苏北盆地金湖凹陷内压扭性构造的地震反射 |
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| 关键词:Lower Yangtze Subei basin Jinhu sag compresso-shear structure petroleum prospects |
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| Compresso-shear Structures in the Jinhu Sag,Subei Basin:Evidence from 3D Seismic Reflection Profiles |
| During the transition of the Tan-Lu fault from sinistral to right-lateral strike-slipping, echelon or arc compresso-shear structural belts were generally developed in some sags of the Subei basin in the lower Yangtze region. These structural belts resulting from compresso-shearing are the most developed area of structural traps and also the field of petroleum accumulation. Seismic exploration in recent years has revealed that typical compresso-shear structures exist in Jinhu sag. In this paper, the distribution characteristics and petroleum prospects of compresso-shear structures in Jinhu sag are interpreted and analyzed according to 3-D seismic reflection data,the relationship between the trap and the development of petroleum is discussed, and the development area of trap is delineated. |
| DU Hui-ping,SONG Guo-liang,TAN Shrng-zhang.2008.Compresso-shear Structures in the Jinhu Sag,Subei Basin:Evidence from 3D Seismic Reflection Profiles[J].Acta Geoscientica Sinica,29(5):571-576. |
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