大庆石油地质与开发2025，Vol.44Issue(3)：128-138,11.DOI:10.19597/J.ISSN.1000-3754.202402044
基于导航金字塔多尺度分解多属性融合方法的致密砂岩储层裂缝预测
Fracture prediction of tight sandstone reservoir by multi-attrbutes fusion method based on steerable pyramid multi-scales decomposition
摘要
Abstract
As common elements in geological structures,fractures play crucial role in hydrocarbon migration and ac-cumulation.However,fractures are often difficult to predict accurately due to their deep burial,small scale and large number,which is a challenge in current geological research.During geological exploration,the resolution of original seismic data is insufficient to meet the requirement of accurate prediction of fractures.Although traditional multi-attributes fusion method can improve prediction accuracy to a certain extent,it is difficult to effectively retain the optimal attributes,resulting in less accurate prediction results.Aiming at these problems,the optimal data of multiple levels is obtained and selected through steerable pyramid processed seismic data so as to enhance structur-al characteristics and to accurately locate fault discontinuity.Based on this optimal data,various seismic attributes are extracted and fused,achieving high-accuracy prediction for fractures distribution,thus significantly improving the prediction accuracy of fracture-developed areas.In order to verify the validity of this method,test is conducted by taking reservoirs of 4th member in Shahejie Formation(Sha 4 Member)of Yi 184 block in Bonan Sag of Bohai Bay Basin as research object.Results show that this method can effectively predict structural morphology and strike of fractures triggered by different genesis in reservoirs of Sha 4 Member.The research provides not only new idea and method for fracture prediction of tight sandstone reservoirs,but also technical support for subsequent oil and gas exploration and development.关键词
多尺度分析/裂缝预测/导航金字塔/方差属性/曲率属性Key words
multi-scales analysis/fracture prediction/steerable pyramid/variance attribute/curvature attribute分类
天文与地球科学引用本文复制引用
陈雨茂,刘浩杰,盖姗姗,杨宏伟..基于导航金字塔多尺度分解多属性融合方法的致密砂岩储层裂缝预测[J].大庆石油地质与开发,2025,44(3):128-138,11.基金项目
中国石油化工股份有限公司胜利油田分公司重点项目"地震工程三维模型实时评价关键技术研究"(30200020-20-ZC0613-0028). （30200020-20-ZC0613-0028）
