断阶型潜山带地质模型的建立及储层预测——以CG20潜山为例
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摘要
以 CG2 0潜山为例 ,从建立地质模型入手 ,包括地层模型、构造模型、储集模型、储盖组合模型、速度模型等 ,认识到各套地层分布和储层物性的差异均与地震响应密切相关 ,因此可以利用地震波的信息 ,预测潜山储层的发育及分布情况。在对 CG2 0潜山进行精细全三维构造解释的基础上 ,探讨性地应用了测井约束反演、吸收系数、相干分析及三维模式识别等技术 ,对潜山储层进行了预测 ,从而提高了潜山勘探的效益 ,并为类似断阶型潜山带的勘探提供了成功的经验 ,具有一定的指导意义。
Taking CG20 buried hill as an example, through the establishment of geological models, including a stratum model, a structural model, a reservoir model,a reservoir -seal combination model, a velocity model, etc., it is learnt that the seismic response has a close relation to the distribution of the layers and the property difference of the reservoir layer. Therefore the development and distribution of the buried hill reservoir can be predicted. Based on fine, full 3-D structural interpretations of the CG20 buried hill, the technologies of well-log-constraint inversion,absorption coefficient,coherency analysis and 3-D pattern recognition are applied to predict the reservoir. With this approach the economic benefit of the buried hill exploration is enhanced and it can be helpful for the exploration of similar terrace fault buried hill zones.
Taking CG20 buried hill as an example, through the establishment of geological models, including a stratum model, a structural model, a reservoir model,a reservoir -seal combination model, a velocity model, etc., it is learnt that the seismic response has a close relation to the distribution of the layers and the property difference of the reservoir layer. Therefore the development and distribution of the buried hill reservoir can be predicted. Based on fine, full 3-D structural interpretations of the CG20 buried hill, the technologies of well-log-constraint inversion,absorption coefficient,coherency analysis and 3-D pattern recognition are applied to predict the reservoir. With this approach the economic benefit of the buried hill exploration is enhanced and it can be helpful for the exploration of similar terrace fault buried hill zones.
引文
1肖姹莉,姜素华,王兵,等,车古201潜山三维地震模式识别油气预测研究报告[R].胜利油田有限公司研究报告,2001
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[1] 张文昭.中国陆相大油田[M].北京:石油工业出版社,1997.135-142.
[2] 宋传春,徐洪泽,蔡忠东.车3凹陷车3潜山成藏条件分析[J].复式油气田,1999,(2):32-35.
[3] 刘若英.利用地震信息进行油气预测[M].北京:石油工业出版社,1994.1-37.
[4] ChenQuincy,SteveSielney.张翠兰译.用于储层预测和监测的地震属性技术[J].国外油气勘探,1998,10(2):220-231.
[5] 王玉梅,季玉新,李东波,等.应用地震属性技术预测A地区储层[J].石油物探,2001,40(4):69-76.
[6] 刘文岭,牛彦良,李 钢.多信息储层预测地震属性提取与有效性分析方法[J].石油物探,2002,41(1):100-106.
[7] 杨梦岩,常德双,孙 忠,等.可视化技术与全三维地震解释方法[J].石油物探,2002,41(增刊):197-199.
[8] DornG A,王宏琳.现代三维地震解释[J].国外油气勘探,1999,11(2):165-174.
[9] 佘德平,曹 辉,郭全仕,等.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.
[10] 王志君,黄军斌.利用相干技术和三维可视化技术识别微小断层和砂体[J].石油地球物理勘探,2001,36(3):378-381.
[11] 范祯祥,郑仙种,范书磊,等.利用地震、测井资料联合反演物性参数[J].石油地球物理勘探,1998,33(1):38-53.
[12] 安鸿伟,李正文,李仁甫,等.稀疏脉冲波阻抗反演在YX油田开发中的应用[J].石油物探,2002,41(1):56-60.
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