阿曼Daleel油田下白垩统Shuaiba组上段碳酸盐岩沉积相模式  

Sedimentary Facies Model on Carbonate Rock in the Upper Shuaiba Member of Lower Cretaceous in Daleel Field, Oman

作　　者：王锋[1,2,3] 姜在兴[4] 周丽清[5] 赵国良[5] 王林[4] 郑宁[4] 向树安[4] 

机构地区：[1]中国地质大学地质过程与矿产资源国家重点实验室 [2]中国地质大学(北京)能源学院北京100083 [3]中国地质大学地下信息探测技术与仪器教育部重点实验室北京100083 [4]中国地质大学(北京)能源学院 [5]中国石油勘探开发研究院海外研究中心

出　　处：《沉积学报》2007年第2期192-200,共9页Acta Sedimentologica Sinica

基　　金：中国地质大学地质过程与矿产资源国家重点实验室;地下信息探测技术与仪器教育部重点实验室项目;国家自然科学基金项目(批准号:40672078);中国地质大学(北京)和中国石油勘探开发研究院合作项目"阿曼Daleel油田沉积和研究"项目资助。

摘　　要：下白垩统Shuaiba组上段（USH）是阿曼北部Daleel油田的主力产油层.随着勘探开发的深入,系统研究USH的沉积体系的内部构成、空间配置,建立沉积相模式,弄清有利储集体分布规律变得迫切必要.本文在地质、地震、古生物资料的基础上,采用沉积体系分析方法,对USH段的岩相组合和沉积环境做了详细研究,识别出了该段D层有滩间洼地（水深10～50 m）和浅滩（水深0～10 m）两种亚相,并在E1层的滩间洼地亚相发现了风暴沉积.研究了各亚相的沉积特征和沉积条件,建立了研究区下白垩系上Shuaiba组的沉积模式：区域浅海开阔台地背景上的伴有风暴沉积的障壁碳酸盐岩滩间洼地沉积模式.The Upper Shuaiba Member（USH） is the main force pay bed in the Daleel oil field. Based on the data of geology, seicmic and paleo-biology, the litho-facies assemblage and sedimentary environment in the USH were studied. Intershoal lows sub-facies （where the water depth is 10-50m） and shallow shoal sub-facies（ where the water depth is not more than 10m） were extinguished in the layer D, and storm deposit was found in the layer E1, in which intershoal lows sub-facies also developed. The feature of the sedimentary sub-facies and the sedimentary condition were summarized and studied, and the sedimentary model was set up in the paper that the intershoal lows on carbonate rocks were developed under the background of broad land in shallow sea, where storm events usually occurred in the lower Cretaceous in the area.

关 键 词：碳酸盐岩 沉积相 沉积模式 下白垩统 Daleel油田 

分 类 号：P512.2[天文地球—地质学]