复杂小断块圈闭识别描述方法—以苏北盆地为例

doi:10.11743/ogg20060220

石油与天然气地质 ›› 2006, Vol. 27 ›› Issue (2): 269-274.doi: 10.11743/ogg20060220

复杂小断块圈闭识别描述方法—以苏北盆地为例

牟荣

中国石化, 江苏油田分公司, 物探技术研究院, 江苏, 南京, 210046

收稿日期:2005-08-12 出版日期:2006-04-25 发布日期:2012-01-16
基金资助:
中国石油化工股份有限公司科技项目(P03012)

Identification and description of complicated small fault-block traps in Subei basin

Mu Rong

Geophysical Technology Research Institute of Jiangsu Oilfield Company, SINOPEC, Nanjing, Jiangsu

Received:2005-08-12 Online:2006-04-25 Published:2012-01-16

摘要/Abstract

摘要：

复杂小断块的勘探一直是东部老油区难点之一,针对苏北盆地复杂小断块构造的地表和地下特点,采用处理解释一体化研究思路,有针对性应用全三维处理方法,提高复杂小断块的成像效果。以苏北盆地高邮凹陷为例,构造解释中以精细断层解释为突破口,开展构造样式研究,以模式指导复杂的构造解剖,并应用三维空间综合层位标定、相干体、三维可视化、变速成图等全三维解释方法,提高复杂小断块的圈闭识别和描述精度,并在实际应用中取得较好的效果。

关键词: 处理解释一体化, 三维空间层位标定, 三维可视化, 变速成图, 复杂小断块, 苏北盆地

Abstract:

Exploration of complicated small fault blocks has always been a hard nut to crack in the mature oil regions in eastern China. In view of the complicated surface and subsurface characteristics of the small fault blocks in Subei basin, the idea of integrated seismic processing and interpretation is adopted and full 3D data processing method is applied to improve the imaging quality of complicated fault blocks. Taking Gaoyou sag in Subei basin as an example, detailed interpretation of faults, study of structural patterns and mode-guided analysis of complex structures are performed in structural interpretation. Full 3D data interpretation methods, such as 3D spatial horizon calibration, coherence volume, 3D visualization and variable velocity mapping, are used in the identification and description of the complicated small fault-block traps to improve precision. The desired results have been achieved in practical application.

Key words: integrated processing and interpretation, 3D spatial horizon calibration, 3D visualization, variable velocity mapping, complicated small fault block, Subei basin

中图分类号:

TE112.3

牟荣. 复杂小断块圈闭识别描述方法—以苏北盆地为例[J]. 石油与天然气地质, 2006, 27(2): 269-274. doi: 10.11743/ogg20060220 Mu Rong. Identification and description of complicated small fault-block traps in Subei basin[J]. Oil & Gas Geology, 2006, 27(2): 269-274. doi: 10.11743/ogg20060220

参考文献

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复杂小断块圈闭识别描述方法—以苏北盆地为例

Identification and description of complicated small fault-block traps in Subei basin

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