大庆石油地质与开发2013,Vol.32Issue(2):164-169,6.DOI:10.3969/J.ISSN.1000-3754.2013.02.033
FMI资料在库车坳陷深层致密砂岩储层中的应用
APPLICATION OF FMI DATA IN DEEP TIGHT SANDSTONE OF KUQA DEPRESSION
摘要
Abstract
Cretaceous tight sandstone reservoirs in Kuqa Depression are characterized by deep burial and poor seismic data quality, it is difficult for conventional reservoir predicting methods to identify the inner structures and planar distribution features in the sedimentary fan bodies. Through FMI (formation microresistivity imaging) data calibrated by the core data, the FMI response characteristics of different lithofacieses and sedimentary structures are analyzed , the lithofacieses of the typical gas-bearing reservoirs in the area are finely corrected by integrating the conventional well loggings, and moreover four typical microfacies sandbody models are established for braided delta front and fan delta front. The study shows that the sandbody spread and distribution are controlled by four large-sized sedimentary fans, the best physical accumulating properties in the above fans are presented in the medium sandstone with platy cross bedding, fine sandstone with sheet-like cross bedding, fine sandstone with diagonal bedding and fine sandstone with trough cross-stratification, and furthermore distributed in the main water channels and water braiding area. The further understandings of regional formation sedimentation have laid a basis for the prediction of the tight sandstone reservoirs.关键词
库车坳陷/深层/致密砂岩/FMI/沉积Key words
Kuqa Depression/ deep zone/ tight sand/ FMI/ sedimentation分类
能源科技引用本文复制引用
王俊鹏,张惠良,张荣虎,陈戈,赵继龙,刘春..FMI资料在库车坳陷深层致密砂岩储层中的应用[J].大庆石油地质与开发,2013,32(2):164-169,6.基金项目
国家自然科学基金项目(40472069)、中国石油集团科技创新基金项目(2008D-5006-01-03). (40472069)