| 叠前时间偏移技术在东营凹陷北部陡坡带砂砾岩体成像中的应用 |
| |
| 引用本文： | 刘立彬,李振春.叠前时间偏移技术在东营凹陷北部陡坡带砂砾岩体成像中的应用[J].地球物理学进展,2007,22(5):1571-1577. |
| |
| 作者姓名： | 刘立彬 李振春 |
| |
| 作者单位： | 1. 中国石化胜利油田分公司物探研究院,东营,257022
2. 中国石油大学(华东)地球资源与信息学院,东营,257061 |
| |
| 基金项目： | 国家自然科学基金
,
国家高技术研究发展计划(863计划)
,
国家重点基础研究发展计划(973计划) |
| |
| 摘 要： | 东营凹陷北部陡坡带是砂砾岩体发育地区.通过多年的研究与勘探实践,相继发现并开发了许多具有陡坡带沉积特色的砂砾岩扇体油藏,砂砾岩扇体油藏已成为胜利油田增储上产的重要勘探目标.为了使砂砾岩体的成像效果更加理想,在该区进行了叠前时间偏移应用研究.在充分认识砂砾岩体地震反射特征的基础上,对东营北带叠前时间偏移的适应性进行了分析,讨论了叠前时间偏移提高陡坡带砂砾岩体成像质量的技术优势,重点介绍了叠前时间偏移处理中的关键技术.处理结果表明,地质认识指导下的叠前时间偏移处理,大大地改善了东营北带砂砾岩体的成像质量,为提高砂砾岩扇体油气藏的勘探精度提供了可靠的基础资料.
|
| 关 键 词： | 东营北带 砂砾岩体 叠前时间偏移 偏移速度建模 地震成像 |
| 文章编号： | 1004-2903（2007）05-1571-07 |
| 收稿时间： | 2006-11-12 |
| 修稿时间： | 2007-03-22 |
The application of prestack time migration techniques in sandy conglomeratic imaging of abrupt slope in north of Dongying Sag |
| |
| LIU Li-bin,LI Zhen-chun.The application of prestack time migration techniques in sandy conglomeratic imaging of abrupt slope in north of Dongying Sag[J].Progress in Geophysics,2007,22(5):1571-1577. |
| |
| Authors: | LIU Li-bin LI Zhen-chun |
| |
| Abstract: | The northern abrupt slope of Dongying Sag is the developed area of sandy conglomeratic body.Through the research and exploration practices in many years,a lot of sandy conglomeratic fan reservoirs with the characteristic of abrupt slope sedimentary have been found,and these sandy conglomeratic fan reservoirs has become the important exploration targets in Shengli Oilfield.In order to improve the imaging quality of sandy conglomeratic body,prestack time migration was used in this area.Based on the deeply understanding of seismic reflection features of sandy conglomeratic body,we analyzed the adaptability of prestack time migration to Dongying northern zone,discussed the advantages of prestack time migration techniques in improving the quality of seismic imaging in this area,and introduced the key techniques in prestack time migration processing.The results indicated that prestack time migration guided by geologic information significantly improved the imaging quality of sandy conglomerate in northern zone of Dongying,which provided reliable basic data for enhancing the accuracy of exploration of sandy conglomeratic fan reservoir. |
| |
| Keywords: | northern zone of Dongying sandy conglomerate prestack time migration migration velocity modeling seismic imaging |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《地球物理学进展》浏览原始摘要信息 |
| 点击此处可从《地球物理学进展》下载免费的PDF全文 |
