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南海西部海域油气地球物理勘探中地震处理技术新进展

Keywords: lift去噪,能量补偿,速度分析,多次波,互均衡,叠前时间偏移

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Abstract:

?南海西部海域是中国海洋石油总公司油气勘探开发的主战场,具有广阔的油气勘探前景。该区经历了从浅海陆架到深海海域,由浅层到中深层的多层次、多领域、多区带及目标的油气勘探活动。近几年随着加大中深层勘探及研究的力度,在地球物理勘探及地震资料采集与处理技术方面均取得了新的进展和突破。根据南海西部海域不同盆地油气地质特点及所表征的地球物理信息(主要为地震反射特征),提出因地制宜,在用好传统地震资料处理技术和方法的同时,针对地质条件复杂的勘探新领域中的新问题,不断创新地震数据处理技术及方法,逐步完善配套一系列成熟的地震处理技术,为开创南海北部油气勘探新局面、建立“海上大庆”提供技术支撑和技术保障。

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