陆上非一致性采集时延地震处理关键技术  

Key processing technique for land non-uniform acquisition of time-lapse seism

作　　者：芮拥军[1] 

机构地区：[1]胜利油田分公司物探研究院,山东东营257022

出　　处：《物探与化探》2016年第4期778-782,共5页Geophysical and Geochemical Exploration

基　　金：国家高技术研究发展计划("863"计划)项目"陆上非一致性时延地震;微地震油藏监测方法研究"(2011AA060303)

摘　　要：时延地震是一项进行剩余油预测的重要技术,但严格意义上的时延地震由于需要多期重复采集的地震资料,应用范围受到一定的限制。为此,根据目前我国高勘探程度油田实施二次采集的实际情况,提出了非一致性采集时延地震技术。建立了以两期资料的一致性处理为基础,互约束处理为核心,差异属性提取为目的的研究思路,研究了消除资料间非油藏差异的关键技术,形成了非一致采集时延地震处理流程,最大限度地消除了非一致性采集所带来的影响。该技术在YX油田取得了明显的应用效果,证明其具有较好的应用前景。Time-lapse seism is an important technology for prediction of remaining oil prediction; Nevertheless,due to the need of repeated acquisition of seismic data,the application range of the strictly sense time-lapse seism is subjected to certain restrictions. According to the actual situation of the implementation of the two times of acquisition in high exploration degree oil fields in China,this paper puts forward the non-uniform time-lapse seismic technology. The research train of thought was established with the consistency of the two times of data processing as the basis,mutual constraint processing as the core,and the differential attribute extraction as the purpose.The key technology for elimination of non- reservoir differences between the data was studied,and a non-uniform acquisition of timelapse seismic processing flow was formed,which maximally eliminates the influence caused by non-uniform acquisition. The technology was applied in YX oilfield,and the result proves that it has a good prospect.

关 键 词：非一致性 时延地震 互约束 差异属性 

分 类 号：P631.4[天文地球—地质矿产勘探]