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海洋油气目标地球化学探测及其在南黄海海域的应用 被引量:1

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摘要 海洋油气的目标地球化学探测是直接为局部构造排序和钻探井位优选而采取的一种综合性的油气勘探技术。首先是进行目标区海底油气渗漏的地球物理识别,具体包括:利用合成孔径雷达对海水表面油膜的识别,利用侧扫声纳、多波速和浅地层剖面测量对海底表面特征的识别,以及利用二维、三维地震对海底深层特征的识别等;然后是开展目标区油气地球化学探测,包括取样站位布设,样品采集和处理,地球化学指标分析测试,地球化学异常提取和综合评价等。通过对南黄海目标区侧扫声纳、浅地层剖面,以及二维地震资料的综合分析,确定了可能油气渗漏区,开展了油气地球化学探测,识别出了单指标异常和多指标综合异常,划分了4个地球化学区。地球化学区与目标区内的局部构造和断裂构造关系密切。综合评价结果表明,4个地球化学区含油气性优劣的排序是Ⅰ区>Ⅲ区>Ⅱ区>Ⅳ区。据此建议钻探井位布设在Ⅰ区即ZC7-1构造或Ⅲ区即ZC13-3构造上。
出处 《海洋地质动态》 北大核心 2009年第12期19-26,共8页 Marine Geology Letters
基金 南黄海选定海域油气地球化学探测(DC070005)
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