低幅度构造识别技术在南美奥连特盆地油气勘探中的应用
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摘要
低幅度含油气构造是地震勘探圈闭识别的难点,储层地震预测则是隐蔽圈闭识别的核心。利用最新的地震技术,通过长期在南美西北部厄瓜多尔奥连特盆地的储层岩性、形态、物性及含油气性的预测,形成了一套基于高精度地球物理资料,适合于低幅度构造圈闭识别的地震解释技术。
Low-amplitude oil and gas structure is a difficulty in identifying traps in seismic exploration,while reservoir seismic prediction is the core of subtle trap identification.Using the up-to-date seismic technology,through the long-term prediction of reservoir lithology,morphology,physical property,and oil-bearing property of the Oriente Basin in Ecuador in the northwest of South America,systematic seismic interpretation technologies which are based on high-precision geophysical data and suitable for low-amplitude structural trap identification are developed.
Low-amplitude oil and gas structure is a difficulty in identifying traps in seismic exploration,while reservoir seismic prediction is the core of subtle trap identification.Using the up-to-date seismic technology,through the long-term prediction of reservoir lithology,morphology,physical property,and oil-bearing property of the Oriente Basin in Ecuador in the northwest of South America,systematic seismic interpretation technologies which are based on high-precision geophysical data and suitable for low-amplitude structural trap identification are developed.
引文
[1]贾承造.中国叠合盆地形成演化与中下组合油气勘探潜力[J].中国石油勘探,2006,11(1):1～4.
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[5]Dashwood M F,Abbotts I L.Aspects of the petroleum geology of the Oriente Basin,Ecuador.In:Brooks J.Classic petro leu m p ro v in c es.G eo lo g ic S o ciety Special Publication,1990,50:89～117.
[2]何登发,等.塔里木多旋回叠合盆地地质结构特征[J].中国石油勘探,2006,11(1):31～41.
[3]Balkwill H R,Rodrigue F I,Paredes J P.Almeida.Northern part of Oriente basin,Ecuador,reflection seismic ex pression o f stru ctures.In:Tank ard A J,Suarez R,Welsink H J.Petroleum basins of South America.AAPG Memoir,1995,62:559～571.
[4]White H J,Skopec R A,Rodas J A,et al.Reservoir characteristics of the Hollin and Napo form ations,western Oriente basin,Ecuador.In:Tankard A J,R Suarez S,Welsink H J.Petroleum basins of South America.AAPG Memoir,1995,62:573～596.
[5]Dashwood M F,Abbotts I L.Aspects of the petroleum geology of the Oriente Basin,Ecuador.In:Brooks J.Classic petro leu m p ro v in c es.G eo lo g ic S o ciety Special Publication,1990,50:89～117.
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