阜康凹陷上乌尔禾组层序格架建立及有利砂体分布  

Establishment of sequence framework and distribution of favorable sand bodies in Permian Upper Wuerhe Formation,Fukang Sag,Xinjiang

作　　者：陈梦娜 刘超威 李宗浩[1] 刘佳[1] 邹志文 李树博 李辉[1] 朱永才[1] 刘新龙 潘进 黄志强[1] 王秋玉 CHEN Mengna;LIU Chaowei;LI Zonghao;LIU Jia;ZOU Zhiwen;LI Shubo;LI Hui;ZHU Yongcai;LIU Xinlong;PAN Jin;HUANG Zhiqiang;WANG Qiuyu(Research Institute of Exploration and Development,PetroChina Xinjiang Oilfield Company,Karamay 834000,China;Hangzhou Research Institute of Petroleum Geology,Hangzhou 310023,China)

机构地区：[1]中国石油新疆油田分公司勘探开发研究院,新疆克拉玛依834000 [2]中国石油杭州地质研究院,杭州310023

出　　处：《成都理工大学学报（自然科学版）》2023年第4期401-410,共10页Journal of Chengdu University of Technology: Science & Technology Edition

基　　金：中国石油天然气股份有限公司前瞻性基础性技术攻关项目(2021DJ405)。

摘　　要：为明确新疆阜康凹陷上乌尔禾组砂体展布及勘探前景,结合野外露头、钻井资料、地震响应特征,利用高分辨率层序地层学划分方法,划分上乌尔禾组层序。通过物源及沉积体系分析,明确砂体垂向叠置及平面展布特征,刻画上乌尔禾组有利砂体目标。井震结合、单井-连井分析、系统搭建地层格架大剖面,识别层序地层等时界面,划分出一个长期旋回和3个中期旋回,明确了上乌尔禾组三分模式。受三大古凸控制、物源及沉积特征影响,乌一段以填平补齐方式发育在凹槽区,规模砂体叠置连片发育。结合高密度三维资料,识别有利目标,近一步扩大阜康凹陷勘探规模。Based on the study of outcrop data,drilling data,seismic response characteristics,and high-resolution sequence stratigraphy,the stratigraphic sequence of Upper Wuerhe Formation in Fukang Sag,Xinjiang is classified,the vertical superposition and plane distribution characteristics of sand bodies are defined,and the favorable sand body targets are characterized,so as to explore the distribution and exploration prospects of Upper Wuerhe Formation sand bodies.Through the comprehensive analysis of drilling and seismic data and the analysis of single well and connected well,the stratigraphic framework large section is established systematically and the isochronous interface of sequence stratigraphy is identified,which lead to the division of one long-term cycle and three middle cycle and to the determination of three-division model for Upper Wuerhe Formation.The results show that the first member of Upper Wuerhe Formation developed in the groove area in the way of filling and replenishment under the control of the three paleo-lower uplifts and the influence of provenance and sedimentary characteristics.In combination with high-density 3D seismic data,favorable targets in the area are identified,and the exploration scale of Fukang Sag is further expanded.

关 键 词：阜康凹陷 上乌尔禾组 层序地层 旋回特征 物源分析 有利目标 

分 类 号：TE121.34[石油与天然气工程—油气勘探] P588.212.3[天文地球—岩石学]