随机建模在克拉玛依油田砾岩储层描述中的应用
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摘要
针对克拉玛依油田七中、东区克拉玛依组砾岩储层非均质建模中,储层描述不确定因素增多的特点,利用井点内外信息随机性概念,通盘处理测井数据、地震数据和岩心数据,合理整合多方面信息,以减少储层描述中的不确定性。结合地震解释、测井数据、岩心分析、生产动态等已知信息进行建模,优选出更加符合油田实际生产状态的非均质砾岩储层地质模型,分析了有利沉积微相带主槽控制的油气储层特征及其规模和范围,为该区砾岩油藏增储上产和调整挖潜提供了相应的地质依据。
In accordance with the increasing uncertainty of reservoir description in heterogeneity modeling of conglomerate reservoirs in Karamay formation in 7mid and 7-east area,the concept of information randomness inside and outside well points is used to comprehensively deal with logging data,seismic data and core data,to integrate multi-information reasonably,thus to constrain and adjust each other to reduce the uncertainties in reservoir description.Reservoir modeling uses seismic interpretation,logging data,core analysis and production performance data,optimizes geological model of heterogeneous conglomerate reservoir suitable to practical production status,and analyzes the reservoir characteristics and scale and range controlled by favorable sedimentary facies.This study offers geological basis to increasing reserves and production,adjustment and tapping the potential in conglomerate reservoir.
In accordance with the increasing uncertainty of reservoir description in heterogeneity modeling of conglomerate reservoirs in Karamay formation in 7mid and 7-east area,the concept of information randomness inside and outside well points is used to comprehensively deal with logging data,seismic data and core data,to integrate multi-information reasonably,thus to constrain and adjust each other to reduce the uncertainties in reservoir description.Reservoir modeling uses seismic interpretation,logging data,core analysis and production performance data,optimizes geological model of heterogeneous conglomerate reservoir suitable to practical production status,and analyzes the reservoir characteristics and scale and range controlled by favorable sedimentary facies.This study offers geological basis to increasing reserves and production,adjustment and tapping the potential in conglomerate reservoir.
引文
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[2]宋子齐.测井多参数的地质应用[M].西安:西北工业大学出版社,1993:70~108.
[3]宋子齐,王浩,赵磊,等.克拉玛依油田八区克上组砾岩油藏参数及剩余油分布[J].大庆石油地质与开发,2003,22(3):28~31.
[4]谷团,张吉昌,程建平,等.油藏建模技术在老井挖潜中的应用[J].特种油气藏,2006,13(1):53~55.
[5]张永庆,代开梅,陈舒薇.砂质辫状河储层三维地质建模研究[J].大庆石油地质与开发,2002,21(5):34~36.
[6]杨仁超.储层地质学研究新进展[J].特种油气藏,2006,13(4):1~5.
[7]尤少燕,时应敏,乔玉雷.利用多尺度资料进行油藏地质建模———以樊124区块为例[J].油气地质与采收率,2005,12(3):15~17.
[8]张树林,温到明,夏斌,等.崖城13-1气田储层三维静态模型建立[J].油气地质与采收率,2005,12(3):9~11.
[9]宋子齐,杨金林,潘玲黎,等,利用粒度分析资料研究砾岩储层有利沉积相带[J].油气地质与采收率,2005,12(6):16~18.
[10]Aguilera R,Aguilera M S.The integration of capillary pressureand pickett plots for determination of flow units and reservoircontainers[C].SPE71725,2001:1~13.
[11]宋子齐,潘玲黎,杨金林,等,非均质砾岩储层有利沉积相带与油气储量分布[J].西安石油大学学报,2005,20(4):6~10.
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