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机构地区:[1]胜利石油管理局测井公司
出 处:《油气地质与采收率》2004年第4期78-80,共3页Petroleum Geology and Recovery Efficiency
摘 要:东营凹陷北部陡坡带砂砾岩体广泛发育,该类地层的岩性识别、储层划分、地质参数计算等一直是测井评价所面临的难题。自然伽马能谱测井在砂砾岩体地层具有特殊的规律,其测井数值高低与岩石成分、岩性及岩石成熟度密切相关。文章分析了自然伽马能谱测井资料在砂砾岩体地层中具有的不同响应特征,提出了利用自然伽马能谱测井信息解决砂砾岩体岩性识别、储层划分、地质参数计算等问题的方法。结果表明,应用自然伽马能谱测井评价砂砾岩体地层效果较好。<abstract>utenite body was widespreadly growing in the northern actic region in Dongying sag. Such problems as lithological discrimination, reservoir zonation and geological parameter calculation have been faced with a difficult problem on log evaluation of the glutinite formation. The natural gamma ray spectrometry log in the glutinite formation has its special regularity, its log readings are closely related to the rock constituents, lithology and rock maturity. In this paper, different response characteristics of the natural gamma ray spectrometry log to the glutenite body formation are analyzed. Methods of using information derived from the natural gamma ray spectrometry log are developed, by which the above problems are effectively solved. Application results show that the natural gamma ray spectrometry log is effective to the evaluation of the glutinite body formation.
关 键 词:砂砾岩体 能谱测井 北部陡坡带 岩性识别 自然伽马 地层 东营凹陷 储层 地质参数 岩石成分
分 类 号:TE353[石油与天然气工程—油气田开发工程] P618[天文地球—矿床学]
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