琼东南盆地深水坡折区地震勘探技术应用研究  

Application of Seismic Exploration Technology in Deep Water Areas of Qiongdongnan Basin

作　　者：徐涛 窦婧瑛 周晨 Xu Tao;Dou Jingying;Zhou Chen(Hainan Branch,CNOOC China Limited,Haikou 570312)

机构地区：[1]中海石油(中国)有限公司海南分公司,海南海口570312

出　　处：《石化技术》2024年第11期89-91,共3页Petrochemical Industry Technology

摘　　要：陵水凹陷是南海西部的重要生烃凹陷,资源潜力巨大,勘探前景广阔。该区发现多个气田和含气构造,揭示该区油气运聚活跃,成藏条件优越,但是现有地震资料已无法满足新目标勘探需求,坡折区地震信噪比低,成像模糊,地震同相轴连续性差,断面与构造边界成像不够清晰。针对上述问题开展地震资料攻关,重点针对多次波衰减,提高信噪比,精确速度建模等几个方面开展研究,为该区的精细目标落实提供了高品质地震资料。The Lingshui Depression is an important Hydrocarbon generating depression in the western South china Sea,with enormous resource potential and broad exploration prospects.multiple gas fields and gas bearing structures Have been discovered in this area,revealing active oil and gas accumulation and superior reservoir conditions.However,existing seismic data is no longer sufficient to meet the exploration needs of new targets.The seismic signal-to-noise ratio in the slope break area is low,the imaging is blurry,the continuity of seismic phase axes is poor,and the imaging of cross-sections and structural boundaries is not clear enough.We Have carried out seismic data research on the above-mentioned issues,focusing on multiple wave attenuation,improving signal-to-noise ratio,and precise velocity modeling,providing High-quality seismic data for the implementation of fine targets in the area.

关 键 词：深水区 地震成像 多次波 信噪比 

分 类 号：P631.4[天文地球—地质矿产勘探] P618.13[天文地球—地质学]