准噶尔盆地南缘油气勘探中的关键地震技术

Journal of Southwest Petroleum University(Science & Technology Edition)(2009)

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Abstract
针对准噶尔盆地南缘油气地质条件复杂,地震资料品质非常差,信噪比低、静校正问题突出、成像难度大、构造成图精度低等难题,提出了山前复杂构造研究思路、方法和流程,采用了静校正、叠前时间深度偏移成像、构造建模、变速成图等多项关键技术,对南缘重点构造目标(霍尔果斯背斜)进行采集、处理、解释一体化技术攻关,落实了一批有钻探价值的构造圈闭并提供了井位建议,对指导准噶尔盆地南缘油气勘探工作具有重要意义。
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Key words
Junggar Basin,structural model building,velocity model,static correction,prestack migration
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