BZ油田浅水三角洲储层地质建模研究
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摘要
针对渤海湾浅水三角洲油藏分流河道纵向多期叠置,横向变化快的地质特点及开发早期钻井资料少和海上地震资料分辨率高的特点,运用储层沉积学原理,通过沉积模式、沉积微相和储层结构模型分类及其特征参数统计建立了储层地质知识库。在此基础上,结合地震资料建立了沉积相模型和相控约束下的储层参数模型,为油田开发方案优化和随钻跟踪提供了可靠的静态模型。经实钻开发井及生产动态资料证实,所建储层三维定量地质模型较准确地表征了储层砂体横向变化规律,能够为开发早期储层研究提供地质支撑。
The shallow water delta reservoirs in Bohai Bay are multi-stage superimposed distributary channel sand body,with rapid lateral change.In addition,the well drilling data are not enough at the early development stage and the seismic data resolution of shallow water delta reservoir is high.Through application of reservoir sedimentology principle,the geological knowledge database has been established by construction of the depositional models,study on sedimentary microfacies,and classification of reservoir structure model and statistic analysis of the parameters for constructing reservoir structure models.Based on those study results,the reservoir parameter models have been established under the constraint of sedimentary microfacies in combination with the seismic data,providing reliable static models for optimization of development plan and tracing while drilling at the early development stage. It has been confirmed by well drilling data and dynamic production data that the 3D quantitative geological model is reliable,and the lateral variation of sand bodies can be predicted accurately with this model.Simultaneously,the 3D geological model can provide support for the study of reservoir at the early development stage.
The shallow water delta reservoirs in Bohai Bay are multi-stage superimposed distributary channel sand body,with rapid lateral change.In addition,the well drilling data are not enough at the early development stage and the seismic data resolution of shallow water delta reservoir is high.Through application of reservoir sedimentology principle,the geological knowledge database has been established by construction of the depositional models,study on sedimentary microfacies,and classification of reservoir structure model and statistic analysis of the parameters for constructing reservoir structure models.Based on those study results,the reservoir parameter models have been established under the constraint of sedimentary microfacies in combination with the seismic data,providing reliable static models for optimization of development plan and tracing while drilling at the early development stage. It has been confirmed by well drilling data and dynamic production data that the 3D quantitative geological model is reliable,and the lateral variation of sand bodies can be predicted accurately with this model.Simultaneously,the 3D geological model can provide support for the study of reservoir at the early development stage.
引文
[1]朱伟林,李建平,周心怀,等.渤海新近系浅水三角洲沉积体系与大型油气田勘探[J].沉积学报,2008,26(4):575-582.
[2]代黎明,李建平,周心怀,等.渤海海域新近系浅水三角洲沉积体系分析[J].岩性油气藏.2007,19(4):75-81.
[3]姚光庆,马正,赵彦超,等.浅水三角洲分流河道砂体储层特征[J].石油学报,1995,16(1):24-30.
[4]吕晓光,李长山,蔡希源,等.松辽大型浅水湖盆三角洲沉积特征及前缘相储层结构模型[J].沉积学报,1999. 17(4):572-576.
[5]李少华,张昌民,林克湘,等.储层建模中几种原型模型的建立[J].沉积与特提斯地质,2004,24(3):102-107.
[6]胡向阳,熊绮华,吴胜和,等.标点过程随机模拟方法在沉积微相研究中的应用[J].石油大学学报(自然科学版), 2002,26(2):19-25.
[7]霍春亮,古莉,赵春明,等.基于地震、测井和地质综合一体化的储层精细建模[J].石油学报,2007,28(6):66-71.
[8]穆剑东,董平川,赵常生.多条件约束储层随机建模技术研究[J].大庆石油地质与开发.2008,27(4):17-20.
[9]陈建阳,于兴河,李胜利,等.多地震属性同位协同储集层地质建模方法[J].新疆石油地质,2008,29(1):106-108.
[10]王赞惟,毕建军,包凤.井震联合随机建模在敖南地区的应用[J].大庆石油地质与开发,2009,28(2):37-39.
[2]代黎明,李建平,周心怀,等.渤海海域新近系浅水三角洲沉积体系分析[J].岩性油气藏.2007,19(4):75-81.
[3]姚光庆,马正,赵彦超,等.浅水三角洲分流河道砂体储层特征[J].石油学报,1995,16(1):24-30.
[4]吕晓光,李长山,蔡希源,等.松辽大型浅水湖盆三角洲沉积特征及前缘相储层结构模型[J].沉积学报,1999. 17(4):572-576.
[5]李少华,张昌民,林克湘,等.储层建模中几种原型模型的建立[J].沉积与特提斯地质,2004,24(3):102-107.
[6]胡向阳,熊绮华,吴胜和,等.标点过程随机模拟方法在沉积微相研究中的应用[J].石油大学学报(自然科学版), 2002,26(2):19-25.
[7]霍春亮,古莉,赵春明,等.基于地震、测井和地质综合一体化的储层精细建模[J].石油学报,2007,28(6):66-71.
[8]穆剑东,董平川,赵常生.多条件约束储层随机建模技术研究[J].大庆石油地质与开发.2008,27(4):17-20.
[9]陈建阳,于兴河,李胜利,等.多地震属性同位协同储集层地质建模方法[J].新疆石油地质,2008,29(1):106-108.
[10]王赞惟,毕建军,包凤.井震联合随机建模在敖南地区的应用[J].大庆石油地质与开发,2009,28(2):37-39.
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