塔北西部却勒地区古近系底砂岩段薄砂层储层地震预测
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摘要
通过岩心、测井分析研究储层的岩性和物性,通过分析井点及剖面地震反射波特征来研究薄砂层储层发育处反射波属性;在储层岩性、物性及地震波形属性研究基础上,采用模型正演实验优选储层敏感属性,分析地震属性与薄砂层储层的预测关系;最终通过时间域属性优选、数学统计回归和频率域频谱分解等方法综合分析,建立预测薄砂层储层的经验公式,预测了却勒地区北部和东部2个优势薄砂层储层发育区。
This paper discusses the performance of drilling core and logging curve to analyze the reservoir lithology and physical characteristics and the seismic reflection features to analyze the attribute where thin-bedded sand reservoir is developed.Based on the research of reservoir lithology,physical and the seismic attribute,forward modeling is applied to select the most sensitive attributes so as to establish the relationships between seismic attributes and thin-bedded sand reservoirs.Maximum amplitude and peak instantaneous frequency are the sensitive attributes.It is inferred that there are two favorable thin-bedded sand reservoirs zones in northern and eastern Quele area as the result of the comprehensive techniques of seismic optimizing selection,statistical and regression in time domain and spectral decomposition in frequency domain,etc.This helps establish the empirical relationships of predicting the thin-bedded sand reservoir.
This paper discusses the performance of drilling core and logging curve to analyze the reservoir lithology and physical characteristics and the seismic reflection features to analyze the attribute where thin-bedded sand reservoir is developed.Based on the research of reservoir lithology,physical and the seismic attribute,forward modeling is applied to select the most sensitive attributes so as to establish the relationships between seismic attributes and thin-bedded sand reservoirs.Maximum amplitude and peak instantaneous frequency are the sensitive attributes.It is inferred that there are two favorable thin-bedded sand reservoirs zones in northern and eastern Quele area as the result of the comprehensive techniques of seismic optimizing selection,statistical and regression in time domain and spectral decomposition in frequency domain,etc.This helps establish the empirical relationships of predicting the thin-bedded sand reservoir.
引文
[1]孙龙德.塔里木含油气盆地沉积学研究进展[J].沉积学报,2004,22(3):408-416.
[2]刘景彦,林畅松,赖兴运,等.塔里木盆地库车坳陷古近系库姆格列木群底砂岩段沉积古地理和物源体系[J].岩石矿物学杂志,2008,27(6):538-546.
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[13]罗春树,杨金华,李江海,等.塔里木盆地塔北隆起西段中生界圈闭新认识与勘探思路[J].石油地球物理勘探,2007,42(2):226-229.
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[16]魏志平.谱分解调谐体技术在薄储层定量预测中的应用[J].石油地球物理勘探,2009,44(3):337-340.
[17]袁志云,孔令洪,王成林.频谱分解技术在储层预测中的应用[J].石油地球物理勘探,2006,41(增刊):11-15.
[18]蔡刚,吕锡敏,苏明军,等.频谱分解技术在准噶尔盆地油气勘探中的应用[J].天然气工业,2006,26(4):35-37.
[2]刘景彦,林畅松,赖兴运,等.塔里木盆地库车坳陷古近系库姆格列木群底砂岩段沉积古地理和物源体系[J].岩石矿物学杂志,2008,27(6):538-546.
[3]刘景彦,林畅松,李喜臣,等.库车坳陷古近系库姆格列木组高精度层序地层分析及其油气勘探意义[J].地球学报,2003,24(5):429-434.
[4]蔡振忠,张丽娟,林畅松,等.库车坳陷却勒—羊塔井区库姆格列木群底砂岩段高精度层序对比及油气开发意义[J].现代地质,2010,24(4):662-668.
[5]张丽娟,李多丽,孙玉善,等.库车坳陷西部古近系-白垩系沉积储层特征分析[J].天然气地球科学,2006,17(3):355-360.
[6]朱如凯,郭宏莉,高志勇,等.塔里木盆地北部地区白垩系—古近系储集性与储层评价[J].中国地质,2007,34(5):837-842.
[7]朱如凯,郭宏莉,高志勇,等.塔里木盆地北部地区古近系—白垩系储层质量影响因素探讨[J].地质论评,2007,53(5):624-630.
[8]肖中尧,黄光辉,卢玉红,等.库车坳陷却勒1井原油的重排藿烷系列及油源对比[J].石油勘探与开发,2004,31(2):35-37.
[9]付广,王朋岩,付晓飞.库车坳陷下第三系盖层封闭特征及其对油气成藏的控制作用[J].高校地质学报,2001,7(4):475-482.
[10]徐国强,刘树根,李国蓉,等.塔中-塔北古隆起形成演化及油气地质条件对比[J].石油与天然气地质,2005,26(1):114-119.
[11]吕修祥,金之钧.塔北隆起羊塔克构造带油气成藏分析[J].石油大学学报,2000,24(1):48-52.
[12]耿玉海,李江海,贺电.塔里木盆地塔北隆起西部圈闭类型、分布及空间组合规律[J].北京大学学报,2008,44(2):193-200.
[13]罗春树,杨金华,李江海,等.塔里木盆地塔北隆起西段中生界圈闭新认识与勘探思路[J].石油地球物理勘探,2007,42(2):226-229.
[14]俞寿朋.高分辨率地震勘探[M].北京:石油工业出版社,1993:5-8.
[15]Liu Jianlei,Kurt J M.Thin bed thickness prediction using peakinstantaneous frequency[C]∥Anon.Expanded Abstracts of76th Annual International SEG Meeting.[S.l.]:[s.n.],2006:968-972.
[16]魏志平.谱分解调谐体技术在薄储层定量预测中的应用[J].石油地球物理勘探,2009,44(3):337-340.
[17]袁志云,孔令洪,王成林.频谱分解技术在储层预测中的应用[J].石油地球物理勘探,2006,41(增刊):11-15.
[18]蔡刚,吕锡敏,苏明军,等.频谱分解技术在准噶尔盆地油气勘探中的应用[J].天然气工业,2006,26(4):35-37.
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