基于高精度地层格架的海上油田开发后期储层构型研究及井位部署:以渤海A油田Y砂体为例  

Reservoir Architecture and Well Deployment of Offshore Oilfield in Late Stage of Development Based on High-precision Stratigraphic Framework:A Case Study of Y Sand Body of the Oilfield in Bohai Sea

作　　者：苏迪 何芬 杨贯虹 岳红林 王雨 SU Di;HE Fen;YANG Guan-hong;YUE Hong-lin;WANG Yu(CNOOC Tianjin Branch,Tianjin 300459,China)

机构地区：[1]中海石油(中国)有限公司天津分公司,天津塘沽300459

出　　处：《河北石油职业技术大学学报》2025年第1期23-26,70,共5页JOURNAL OF HEBEI PETROLEUM UNIVERSITY OF TECHNOLOGY

基　　金：国家科技重大专项(渤海“双高”油田挖潜关键技术研究):YXKY-2018-TJ-04。

摘　　要：渤海A油田为浅水三角洲沉积,储层横纵向变化较快,隔夹层较为发育,在油田开发的中后期,含水不断上升,剩余油认识不清,这给后续的井位部署增加了难度。对于砂体内部储层特征及剩余油的分布规律需要有进一步的认识,结合地震、测井、岩心等资料,利用高精度层序地层学指导,将目的层划分为1个短旋回及3个特短旋回,并对于砂体内部复合河道进行刻画,对于河道间叠置、搭接、离散型接触关系进行总结,分别预测了优势储层并通过生产动态验证,进行剩余油分析,寻找有利井位,储层钻遇率达到了百分之九十以上,指导了后续的井位部署。The A Oilfield in Bohai Sea is a shallow-water delta deposit,the reservoir changes quickly in horizontal and vertical direction,the interlayer is relatively developed,in the middle and late period of oilfield development,the water cut is rising constantly,the remaining oil is not well understood.This provides difficulties for subsequent well deployment,further understanding of the reservoir characteristics and distribution of remaining oil within the sand body is needed.Combining seismic,well logging,core data,and under the guidance of high-precision sequence stratigraphy,the target layer is divided into 1 short cycle and 3 ultra short cycles,and the composite channel in the sand body is characterized,and the contact relations of superimposition,overlap and dispersion between channels are summarized,the dominant reservoirs are predicted and verified by production performance,and the remaining oil is analyzed to find favorable wells.The drilling rate of the reservoirs is over 90%,which guides subsequent well deployment.

关 键 词：复杂河流相 储层构型 叠后地震谱反演 复合河道刻画 井位部署 

分 类 号：TE53[石油与天然气工程—油气田开发工程]