海上中深层油气藏开发早期优势储层预测方法及应用——以渤海D油田沙河街组一段为例  

Prediction methods and applications of dominant reservoirs in early stage of offshore mid-deep hydrocarbon-bearing pool development:Taking the first member of Shahejie Formation in D oilfield,Bohai Sea as an example

作　　者：郑彬 张秀敏 张静 陈晓明 胡端男 ZHENG Bin;ZHANG Xiumin;ZHANG Jing;CHEN Xiaoming;HU Duannan(CNOOC China Limited Tianjin Company,Tianjin 300459,China;China Oilfield Services Limited,Tianjin 300459,China)

机构地区：[1]中海石油(中国)有限公司天津分公司 [2]中海油田服务股份有限公司

出　　处：《录井工程》2024年第3期98-104,共7页Mud Logging Engineering

基　　金：“十三五”国家科技重大专项“渤海油田加密调整及提高采收率油藏工程技术示范”(编号:2016ZX05058-001);中海石油(中国)有限公司重大专项“渤海中深层复杂油气藏高效开发技术”(编号:CNOOC-KJ 135ZDXM36TJ03TJ)。

摘　　要：海上中深层油气藏开发早期实钻资料少,地震资料品质差,储层横向变化快,纵向不同油组储层厚度、储层结构差异大,造成优势储层精确预测难度大。选取渤海D油田沙河街组一段开展储层展布主控因素分析,通过古地貌恢复、地震属性分析以及储层聚类分析对优势储层进行预测。研究结果表明:D油田沉积早期储层受古地貌控制,优势储层发育于沟谷、斜坡带;沉积中期储层受古地貌及物源供给双重控制,优势储层发育于1井区西侧高部位;沉积晚期储层受物源供给影响,优势储层主要发育于1井区南东块。研究成果成功指导了D油田开发方案井位优化及随钻实施,取得较好效果,可为相似油田提供借鉴。The problems of little well data,poor seismic data quality,rapid lateral changes of reservoirs,and the large differences in reservoir thickness and structure between different vertical oil formations result in great difficulties in accurate prediction of dominant reservoirs in the early stage of offshore mid-deep hydrocarbon bearing pool development.The first member of Shahejie Formation in D oilfield of Bohai Sea is taken as an example to carry out analysis of the main controlling factors of reservoir distribution.The dominant reservoirs are predicted through palaeogeomorphology restoration,seismic attribute analysis and reservoir cluster analysis.The findings indicate that the early sedimentary reservoirs in D oilfield are controlled by palaeogeomorphology,with dominant reservoir development occurring in gully and slope belt.The middle sedimentary reservoirs are controlled by both palaeogeomorphology and provenance,with dominant reservoirs forming in high positions on the west side of well area 1.The late sedimentary reservoirs are affected by provenace,leading to dominant reservoir development mainly in the southeast block of well area 1.These research results have effectively guided the optimization of well locations and drilling implementation for the D oilfield development plan,achieving successful outcomes that can provide a reference for similar oilfields.

关 键 词：中深层油气藏 开发早期 主控因素 古地貌 聚类分析 

分 类 号：TE132.1[石油与天然气工程—油气勘探]