高含水油田井震联合重构地下认识体系
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摘要
从高含水油田二次开发需求的角度,将高含水油田重构地下认识体系划分为重构地下构造认识体系、重构地下储层认识体系和重构地下流体认识体系,并提出了相对应的井震联合研究方法———以井上断点数据指示和引导的地震资料小断层识别和解释方法;以地震标准层解释数据为约束的微幅度构造成图方法;以地质小层约束和随机地震反演为特色的高精度薄互层地震储层预测方法;以地震解释的断层、构造和储层预测成果为约束的地震约束储层地质建模方法;以地震约束建立的高精度储层地质模型为基础的油藏数值模拟分层历史拟合小层剩余油预测方法。以在我国东部Z油田的应用为例,综合发挥井震资料分别在纵横向具有密集采样的优势,在开展井震联合攻关对断层、微幅度构造、单砂体横向边界和剩余油分布等方面取得新认识的基础上,重构了研究区地下新的认识体系。
Based on the redevelopment requirement of oilfield with high water cut,the reconstruction of underground recognition system which can be divided into three sub-systems:the reconstruction of underground structure recognition sub-system,the reconstruction of underground reservoir recognition sub-system and the reconstruction of underground fluid recognition sub-system.In this paper,a series of methods are proposed including small-scale fault seismic identification and interpretation method based on breakpoint data of wells,micro structure mapping method confined by reference lamina,alternate thin beds reservoir prediction method based on geological layers constrain and stochastic inversion,geological modeling method constrained by fault,structure and reservoir prediction,remaining oil prediction method based on high quality layer history matching.These methods are applied in a mature oilfield.New recognition on fault,micro structure,single sand body boundary and remaining oil distribution is achieved.
Based on the redevelopment requirement of oilfield with high water cut,the reconstruction of underground recognition system which can be divided into three sub-systems:the reconstruction of underground structure recognition sub-system,the reconstruction of underground reservoir recognition sub-system and the reconstruction of underground fluid recognition sub-system.In this paper,a series of methods are proposed including small-scale fault seismic identification and interpretation method based on breakpoint data of wells,micro structure mapping method confined by reference lamina,alternate thin beds reservoir prediction method based on geological layers constrain and stochastic inversion,geological modeling method constrained by fault,structure and reservoir prediction,remaining oil prediction method based on high quality layer history matching.These methods are applied in a mature oilfield.New recognition on fault,micro structure,single sand body boundary and remaining oil distribution is achieved.
引文
[1]胡文瑞.论老油田实施二次开发工程的必要性与可行性.石油勘探与开发,2008,35(1):1～5Hu Wen-rui.Necessity and feasibility of PetroChinamature field redevelopment.Petroleum Explorationand Development,2008,35(1):1～5
[2]韩大匡.准确预测剩余油相对富集区提高油田注水采收率研究.石油学报,2007,28(2):73～78Han Da-kuang.Precisely predicting abundant remai-ning oil and improving the secondary recovery of ma-ture oilfields.Acta Petrolei Sinica,2007,28(2):73～78
[3]刘文岭,朱庆荣,戴晓峰.具有外部漂移的克里金方法在绘制构造图中的应用.石油物探,2004,43(4):404～406Liu Wen-ling,Zhu Qing-rong,Dai Xiao-feng.Applica-tion of Krging-with-an-external-drift in structuremapping.GPP,2004,43(4):404～406
[4]张庆国,鲍志东,宋新民等.扶余油田扶余油层储集层单砂体划分及成因分析.石油勘探与开发,2008,35(2):157～163Zhang Qing-guo,Bao Zhi-dong,Song Xin-min et al.Hierarchical division and origin of single sand bodiesin Fuyu oil layer,Fuyu Oilfield.Petroleum Explora-tion and Development,2008,35(2):157～163
[5]张书麟,宫长路.单砂体内部薄夹层参数提取精度评价.大庆石油地质与开发,2009,28(2):33～36Zhang Shu-lin,Gong Chang-lu.Evaluation of accuracyof parameters extracted from thin interbeds in singlesand body.Petroleum Geology and Oilfield Develop-ment in Daqing,2009,28(2):33～36
[6]吕晓光,张学文,刘合年等.综合运用地震反演及测井资料建立单砂体骨架模型.石油学报,2007,28(6):82～86LüXiao-guang,Zhang Xue-wen,Liu He-nian et al.Development of single-channel sandbody frameworkmodel by integrating seismic inversion and well data.Acta Petrolei Sinica,2007,28(6):82～86
[7]程建远.三维地震资料微机解释性处理技术.北京:石油工业出版社,2002,56～57
[8]王继强.高含水后期精细油藏数值模拟研究.中国石油勘探开发研究院,2008
[9]赵邦六,石玉梅,刘颖等.利用多分量地震数据预测油气藏分布.石油学报,2008,29(5):676～679Zhao Bang-liu,Shi Yu-mei,Liu Ying et al.Predictionof hydrocarbon distribution using multi-componentseismic data.Acta Petrolei Sinica,2008,29(5):676～679
[10]赵邦六.多分量地震勘探在岩性气藏勘探开发中的应用.石油勘探与开发,2008,35(4):397～409Zhao Bang-liu.Application of multi-component seis-mic exploration in the exploration and production oflithologic gas reservoirs.Petroleum Exploration andDevelopment,2008,35(4):397～409
[11]王丹,刘兵.SG油田四维地震技术可行性研究与数据采集.石油地球物理勘探,2010,45(5):637～641Wang Dan,Liu Bing.Feasibility studies for 4Dseismictechnique and data acquisition.OGP,2010,45(5):637～641
[2]韩大匡.准确预测剩余油相对富集区提高油田注水采收率研究.石油学报,2007,28(2):73～78Han Da-kuang.Precisely predicting abundant remai-ning oil and improving the secondary recovery of ma-ture oilfields.Acta Petrolei Sinica,2007,28(2):73～78
[3]刘文岭,朱庆荣,戴晓峰.具有外部漂移的克里金方法在绘制构造图中的应用.石油物探,2004,43(4):404～406Liu Wen-ling,Zhu Qing-rong,Dai Xiao-feng.Applica-tion of Krging-with-an-external-drift in structuremapping.GPP,2004,43(4):404～406
[4]张庆国,鲍志东,宋新民等.扶余油田扶余油层储集层单砂体划分及成因分析.石油勘探与开发,2008,35(2):157～163Zhang Qing-guo,Bao Zhi-dong,Song Xin-min et al.Hierarchical division and origin of single sand bodiesin Fuyu oil layer,Fuyu Oilfield.Petroleum Explora-tion and Development,2008,35(2):157～163
[5]张书麟,宫长路.单砂体内部薄夹层参数提取精度评价.大庆石油地质与开发,2009,28(2):33～36Zhang Shu-lin,Gong Chang-lu.Evaluation of accuracyof parameters extracted from thin interbeds in singlesand body.Petroleum Geology and Oilfield Develop-ment in Daqing,2009,28(2):33～36
[6]吕晓光,张学文,刘合年等.综合运用地震反演及测井资料建立单砂体骨架模型.石油学报,2007,28(6):82～86LüXiao-guang,Zhang Xue-wen,Liu He-nian et al.Development of single-channel sandbody frameworkmodel by integrating seismic inversion and well data.Acta Petrolei Sinica,2007,28(6):82～86
[7]程建远.三维地震资料微机解释性处理技术.北京:石油工业出版社,2002,56～57
[8]王继强.高含水后期精细油藏数值模拟研究.中国石油勘探开发研究院,2008
[9]赵邦六,石玉梅,刘颖等.利用多分量地震数据预测油气藏分布.石油学报,2008,29(5):676～679Zhao Bang-liu,Shi Yu-mei,Liu Ying et al.Predictionof hydrocarbon distribution using multi-componentseismic data.Acta Petrolei Sinica,2008,29(5):676～679
[10]赵邦六.多分量地震勘探在岩性气藏勘探开发中的应用.石油勘探与开发,2008,35(4):397～409Zhao Bang-liu.Application of multi-component seis-mic exploration in the exploration and production oflithologic gas reservoirs.Petroleum Exploration andDevelopment,2008,35(4):397～409
[11]王丹,刘兵.SG油田四维地震技术可行性研究与数据采集.石油地球物理勘探,2010,45(5):637～641Wang Dan,Liu Bing.Feasibility studies for 4Dseismictechnique and data acquisition.OGP,2010,45(5):637～641
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