曲堤油田南部沙四上亚段沉积精细研究  

Delicate Research of Sedimentary of the Upper Part of the Fourth Member of Shahejie Formation in the South Part of Qudi Oilfield

作　　者：国景星[1] 贺岁锋 修春红[2] 郭卫萍 

机构地区：[1]中国石油大学(华东)地球科学与技术学院,山东青岛266555 [2]中国石化胜利油田鲁明科研中心,山东东营257000

出　　处：《河南科学》2016年第1期92-97,共6页Henan Science

基　　金：华北油田2011年校企合作科研项目(HBYT-CY3-2011-JS-345)

摘　　要：在临南洼陷周边地区,具油气显示的沙四段地层仅在临南斜坡上有所发现.因其沉积相研究还较少,使得沙四上亚段开发效果欠佳.因此,针对曲堤油田曲9-111断块沙四上亚段地层开展精细沉积相研究具有重要的意义.以岩心、测井及地震等资料为基础,应用沉积学和高分辨率层序地层学方法,对研究区开展精细沉积相研究.分析认为:该地区主要发育扇三角洲前缘亚相的水下分流河道、水下溢岸砂体、河口坝、前缘席状砂及分流间湾等微相,物源主要来自于南部的鲁西隆起.结合区域沉积背景,概括具有本区特征的扇三角洲前缘沉积相模式.In the vicinity of Linnan Sag,the fourth member of Shahejie Formation which has oil and gas,was onlyfound on the Linnan slope.Because of less work in sedimentary facies research of the upper part of the fourth memberof the Shahejie Formation on Qudi oilfield,the overall development effect was unsatisfactory.It has importantsignificance to develop the fine sedimentary microfacies research.Based on cores,logs and seismic data,we appliedsedimentology and high resolution sequence stratigraphy methods to research fine sedimentary microfacies of theupper part of the fourth member of the Shahejie Formation in Q9-111 block.The analysis suggests that in this area,fan-delta front subfacies mostly include underwater distributary channel,overbank sand,smouth bar,front sheetsand and river-bay microfacies et al.The provenance mainly comes from the Luxi uplift in the south.We summarizeda characteristic fan-delta front sedimentary facies model on the basis of sedimentary background of region.

关 键 词：曲堤油田 沉积微相 测井相 扇三角洲前缘亚相 水下分流河道 相模式 

分 类 号：TE121.3[石油与天然气工程—油气勘探]