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涠西南凹陷W油田古近系浊积体储层预测技术

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涠西南凹陷W油田古近系浊积岩油藏具有埋藏深、个体小、隐蔽性强等特点,常规地球物理勘探技术难以有效识别;加之受欠压实作用的影响,区内低速泥岩发育,进一步增加了浊积岩油藏储层预测难度.针对上述问题,通过开展地震资料拓频保幅处理及声波曲线重构技术等研究,总结出一套适合涠西南凹陷浊积体储层预测的技术及流程.该技术应用于勘探开发实践,并取得了较好效果,表明该技术对整个盆地岩性油藏勘探具有一定的指导意义和推广价值.
Prediction technology for Paleogene turbidite reservoirs in W oilfield of Weixi'nan Sag
The Paleogene turbidite reservoir is characterized by deep burial,small bodies and strong con-cealment of W oilfield in Weixi'nan Sag,it is difficult to identify the turbidite reservoir by conventional ex-ploration technology.Due to under-compaction,low-velocity mud stone develops in the study area,which further increases the difficulty of turbidite reservoir prediction.In view of above problems,a set of technology for turbidite reservoir prediction in Weixi'nan Sag was summarized by studying seismic extension frequency and amplitude preserving processing and acoustic curve reconstruction.This technology has been applied to exploration and development practice,and has achieved good results,indicating that this technol-ogy has a good guidance and popularization value for lithologic reservoir exploration in the whole basin.

turbiditediffusion filteringacoustic reconstructiongeostatistical inversion

陈祖银、张霞、袁超、孙万元、应明雄

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中海石油(中国)有限公司海南分公司研究院,海南海口 570300

中海石油(中国)有限公司湛江分公司南海西部石油研究院,广东湛江 524057

浊积体 扩散滤波 声波重构 地质统计学反演

2024

石油地质与工程
中国石化河南油田分公司

石油地质与工程

影响因子:0.453
ISSN:1673-8217
年,卷(期):2024.38(5)