测井联合地震反演在辉绿岩蚀变带识别中应用
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摘要
黄骅拗陷地处渤海湾盆地,构造活动强度大且频繁,致使该区火成岩非常发育。其中辉绿岩在该地区多有分布,受辉绿岩烘烤形成的蚀变带储集层为寻找新的油气藏类型提供了方向。以大港油田R区钻遇辉绿岩蚀变带己知井的测井资料为出发点,总结了其测井响应及波阻抗特征;结合地震反演所得出的波阻抗反演数据体和多属性反演自然伽马数据体,对辉绿岩蚀变带的分布和厚度进行了预测。所得出的辉绿岩厚度与己知井统计吻合良好,为该区域辉绿岩蚀变带储层的下一步勘探提供了重要的参考依据。
Huanghua depression is in Bohai Bay basin,where tectonic activity is intene and frequent,and igneous rock developed well in this area,especially diabase. The reservoir of diabase alteration zone which is generated by diabase baking provides a direction to find new types of oil and gas reservoirs. This paper takes well logging data of drilling diabase alteration zone in R district of Dagang Oilfield as examples,and summarizes the characteristics of log response and wave impedance, then predicts the distribution and thickness of diabase alteration zone by combining the impedance inversion data volume with multi-attribute inversion natural gamma data volume. As a result,diabase thickness is in good agreement with the wells statistics and this provides an important reference for further exploration of diabase alteration zone reservoir in the region.
Huanghua depression is in Bohai Bay basin,where tectonic activity is intene and frequent,and igneous rock developed well in this area,especially diabase. The reservoir of diabase alteration zone which is generated by diabase baking provides a direction to find new types of oil and gas reservoirs. This paper takes well logging data of drilling diabase alteration zone in R district of Dagang Oilfield as examples,and summarizes the characteristics of log response and wave impedance, then predicts the distribution and thickness of diabase alteration zone by combining the impedance inversion data volume with multi-attribute inversion natural gamma data volume. As a result,diabase thickness is in good agreement with the wells statistics and this provides an important reference for further exploration of diabase alteration zone reservoir in the region.
引文
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[3]南雪芬,叶庆丽,蒋素霞.黄骅坳陷风化店地区火成岩研究与识别[J].录井工程,2006,17(4):72–75.Nan Xuefen,Ye Qingli,Jiang Suxia.The igneous study-ing and distinguishing for Fenghuadian area of Huanghua depression[J].Mud Logging Engineering,2006,17(4):72–75.
[4]王鹏.大港油田科技丛书[M].北京:石油工业出版社,1999:98–120.
[5]肖阳,朱敏,朱文奎,等.测井约束反演技术在油藏描述中的应用[J].石油地球物理勘探,2001,36(5):633–639.Xiao Yang,Zhu Min,Zhu Wenkui,et al.Application of logging-constrained inversion in reservoir description[J].OGP,2001,36(5):633–639.
[6]王西文,石兰亭,雍学善,等.地震波阻抗反演方法研究[J].岩性油气藏,2007,19(3):80–88,100.Wang Xiwen,Shi Lanting,Yong Xueshan,et al.Study on seismic impedance inversion[J].Lithologic Reservoirs,2007,19(3):80–88,100.
[7]刘磊,邢正岩,孙国,等.应用测井约束地震反演技术描述桩106断块储集层[J].石油勘探与开发,1999,26(5):80–82.Liu Lei,Xing Zhengyan,Sun Guo,et al.The application of well log constrained seismic inversion to the descrip-tion of reservoirs in Zhuang106block[J].Petroleum Ex-ploration and Development,1999,26(5):80–82.
[8]谢雄举,季玉新.优选地震属性预测储层参数的方法及其应用[J].石油物探,2004,43(增刊):127–131.
[9]江文荣,李允,蔡东升.秦皇岛27/33区块三维地震精细解释及储层预测[J].天然气地球科学,2006,17(4):502–509.Jiang Wenrong,Li Yun,Cai Dongsheng.Fine Interpre-tation and reservoir prediction on3D seismic data of QHD27/33in Shijiutuo,Bohai Bay[J].Natural Gas Geo-seience,2006,17(4):502–509.
[10]蔡刚,黄玉,姚清洲,等.储层地震反演方法及其在Q三维工区的应用[J].天然气地球科学,2009,20(6):972–976.Cai Gang,Huang Yu,Yao Qingzhou,et al.Method of reservoir seismic inversion and its application in the Q 3D survey[J].Natural Gas Geoseience,2009,20(6):972–976.
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