大庆石油地质与开发

2001, (03) 21-24+75

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松辽盆地深层火山岩体、岩相预测方法及应用
PREDICTION METHOD AND ITS APPLICATION OF DEEP VOLCANIC ROCK BODY AND FACIES IN SONGLIAO BASIN

蒙启安,门广田,张正和
MENG Qi an\+1; MEN Guang tian\+2; ZHANG Zheng he\+2 (1. Jilin University;

摘要(Abstract):

针对松辽盆地深层火山岩岩性气藏勘探的需要 ,在大量钻井岩心分析基础上 ,应用地质、测井、地震等多学科资料 ,采用综合分析方法 ,建立了松辽盆地深层火山活动的 5种亚相和相应的岩石类型 ,并通过探井揭示的火山岩岩性与CSU测井响应特征 ,建立了 6种主要火山岩类测井识别图版 ,形成了火山岩地质 测井解释模型 ,利用井旁地震道在各类火山岩相地震响应特征上的差异 ,形成了火山岩岩性、岩相地质 测井、地震解释模型 ,优选了均方根速度进行火山岩体平面分布预测 ,以内部反射特征预测火山岩体内岩性、岩相。在松辽盆地共预测火山岩体 31个 ,探井已证实了 14个(新获工业气流的火山岩体 5个 ,获低产气流的火山岩体 3个 ) ,取得了较好的勘探效果和较高的勘探效益。
According to the requirement of the exploration of deep volcanic rock lithologic gas reservoir in Songliao Basin and basing on a large number of drilling core analysis, this paper constructs a prediction method for deep volcanic rock body and facies in Songliao Basin using a multidiscipline comprehensive interpretation of geology, logging and seismic. Using the volcanic rock lithology and CSU log response characteristic, it constructs the log identification plates for 6 kinds of volcanic rock and forms a log interpretation model of volcanic rock geology. Using the difference of the side well seismic trace in various types of volcanic rock lithology seismic response, it forms the log and seismic interpretation model of volcanic rock lithology and rock phase geology. Its application shows an apparent exploration effect.

关键词(KeyWords): 火山岩体;岩相;预测
volcanic rock body; facies; prediction

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 蒙启安,门广田,张正和
MENG Qi an\+1; MEN Guang tian\+2; ZHANG Zheng he\+2 (1. Jilin University;

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