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正常曲流河道与深水弯曲水道的特征及异同点 被引量:15

Characteristics,Similarities and Differences of Fluvial and Deep-Water Sinuous Channels
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摘要 深水弯曲水道是深水扇的重要组成部分,又是深水油气勘探、评价与开发过程中十分复杂且备受重视的储集体。近10年来,随着高分辨率三维地震数据的应用、现代深海调查、古代露头以及实验流体数值模拟的研究,在深水水道沉积体认识方面不断有新进展和新发现,陆续在西非、巴西和墨西哥湾等地发现了大型深水油气田。简述了正常曲流河道与深水弯曲水道两种沉积环境在形成背景、岩性特征、成因机制、地震响应特征(外部形态与内部结构)、沉积充填演化以及流体流变学特征等方面的异同点。 The deep-water exploration of oil and gas has become a focus of the exploration and development for oil and gas around the world, also the inevitable tendency of the hydrocarbon industry in future. How- ever, the deep-water sinuous channels are very complex, important and valuable reservoirs in the explora- tion, appraisal and development. With the researches on the high-resolution 3D seismic data of subsurface, the modern deep-water surveys, ancient outcrops and numerical simulation in the last decade, new ad- vances and discoveries are made in the knowledge of deep-water sinuous channels, and some giant oil and gas fields are found in West Africa, Brazil, Gulf of Mexico. There are differences and similarities between fluvial and deep-water sinuous channels about backgroud, lithology, genetic mechanism, sesimic reflection (external and internal character), deposit-fill evolution and flow rheological properties et al.
出处 《地质科技情报》 CAS CSCD 北大核心 2012年第1期72-81,共10页 Geological Science and Technology Information
基金 国家科技重大专项子课题(2008ZX05056-002-02-01) 国家自然科学基金项目(41072084)
关键词 曲流河道 深水弯曲水道 深水扇 沉积物重力流 构型要素 油气勘探开发 fluvial channel deep-water sinuous channel submarine fan sediment gravity current archi-tecture element exploration and development of oil and gas
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