盘河地区低序级断层地震识别和应用效果
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摘要
盘河地区是低序级断块富集的油气田。由于各级别的断层发育,导致勘探开发难度增大,正确识别低序级断层对于该区复杂断块油藏的勘探开发具有重要意义。随着地震资料采集、处理与解释技术的不断进步,低序级断层构造油藏三维精细描述逐渐成为可能,为此从多角度、多方位研究了开发地震技术以识别低级序断层,并系统优化了低序级断层的平面组合配套技术,重点应用了精细综合标定、水平切片、分频相干体、井控成图等地球物理勘探技术,将这些技术应用于该区低序级断层的识别与重新组合中,厘清了该区低序级断层的展布规律,对各断块和油水系统的边界进行了重新认识,明确了挖潜、调整的方向,取得了较好的滚动开发效果。
Panhe area is an oilfield with many low-level faults.Because of the complex fault system,the exploitation and exploration would become increasingly difficult,and it is important to identify correctly the low-level faults for the exploration of complex fault-block reservoirs.The well developed technology of collecting,processing and interpretating seismic data makes the 3D fine interpretation possible for low-level fault-block reservoirs.In this paper,an analysis of several exploitation seismic technologies is carried out from various angles to identify low-level faults,and the plane association matching technology of low-level fault is optimized.Then an explanation is made for the technologies of fine horizon calibration,horizontal slice,frequency-divided coherence,seismic forward modeling,as well as the well-controlled structure mapping technology.Panhe Area is taken as an example to apply these techniques to identify and recombine low-level faults.As a result,the distribution pattern of low-level faults in the area is obtained.In addition,the boundary of each fault block and oil-water system is identified,and the direction of exploration and regulation is made clear.The results show that these technologies can help petroleum exploration and development.
Panhe area is an oilfield with many low-level faults.Because of the complex fault system,the exploitation and exploration would become increasingly difficult,and it is important to identify correctly the low-level faults for the exploration of complex fault-block reservoirs.The well developed technology of collecting,processing and interpretating seismic data makes the 3D fine interpretation possible for low-level fault-block reservoirs.In this paper,an analysis of several exploitation seismic technologies is carried out from various angles to identify low-level faults,and the plane association matching technology of low-level fault is optimized.Then an explanation is made for the technologies of fine horizon calibration,horizontal slice,frequency-divided coherence,seismic forward modeling,as well as the well-controlled structure mapping technology.Panhe Area is taken as an example to apply these techniques to identify and recombine low-level faults.As a result,the distribution pattern of low-level faults in the area is obtained.In addition,the boundary of each fault block and oil-water system is identified,and the direction of exploration and regulation is made clear.The results show that these technologies can help petroleum exploration and development.
引文
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[2]罗群,黄捍东,王保华,等.低序级断层的成因类型特征与地质意义[J].油气地质与采收率,2007,14(3):19-21.Luo Qun,Huang Handong,Wang Baohua,et al.Petroleum Geology andRecovery Efficiency,2007,14(3):19-21.
[3]夏冰.地震新技术在低级序断层识别中的应用[J].断块油气田,2007,14(2):24-26.Xia Bing.Fault-Block Oil and Gas Field,2007,14(2):24-26.
[4]马丽娟,金之钧.复杂断块构造的精细解释[J].石油地球物理勘探,2005,40(6):688-692.Ma Lijuan,Jin Zhijun.Oil Geophysical Prospecting,2005,40(6):688-692.
[5]陆红梅.物探及地质资料在地震解释中的综合应用[J].石油大学学报:自然科学版,2002,26(4):23-28.Lu Hongmei.Journal of China University of Petroleum:Edition ofNatural Science,2002,26(4):23-28.
[6]崔世凌,秦爽,杨泽蓉,等.惠民凹陷复杂断块精细描述技术及应用[J].石油物探,2002,41(3):348-353.Cui Shiling,Qin Shuang,Yang Zerong,et al.Geophysical Prospecting forPetroleum,2002,41(3):348-353.
[7]雷明,王建功,刘彩艳,等.地震切片技术在安达工区的应用[J].石油地球物理勘探,2010,45(3):418-422.Lei Ming,Wang Jiangong,Liu Caiyan,et al,Oil Geophysical Prospecting,2010,45(3):418-422.
[8]王延章,林承焰,温长云,等.低幅度构造油藏研究方法[J].新疆石油地质,2006,27(4):407-408.Wang Yanzhang,Lin Chengyan,Wen Changyun,et al.XinjiangPetroleum Geology,2006,27(4):407-408.
[9]陈广军,宋国奇.低幅度构造地震解释探讨[J].石油物探,2003,42(3):395-398.Chen Guangjun,Song Guoqi.Geophysical Prospecting for Petroleum,2003,42(3):395-398.
[10]佘德平,曹辉,郭全仕.应用三维相干技术进行精细地震解释[J].石油物探,2000,39(2):83-88.She Deping,Cao Hui,Guo Quanshi.Geophysical Prospecting forPetroleum,2000,39(2):83-88.
[11]边树涛,董艳蕾,苏晓军,等.地震相干体技术识别低序级断层方法研究[J].世界地质,2007,26(3):368-373.Bian Shutao,Dong Yanlei,Su Xiaojun,et al.Global Geology,2007,26(3):368-373.
[12]徐亮.低序级断层的地震识别技术在惠民凹陷辛34断块中的应用[J].矿物岩石,2007,27(2):86-93.Xu Liang.Journal of Mineralogy and Petrology,2007,27(2):86-93.
[13]徐梅,谭明友,张明振,等.垦东滩海上第三系油藏地震描述技术[J].石油物探,2007,46(6):633-636.Xu Mei,Tan Mingyou,Zhang Mingzhen,et al.Geophysical Prospectingfor Petroleum,2007,46(6):633-636.
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