济阳坳陷大芦家区块薄储集层预测研究
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摘要
在砂泥岩薄互层条件下,以地震解释的层位为控制,以重构的声波测井曲线为基础,通过外推内插建立初始波阻抗模型,对初始模型不断更新,使得模型的合成记录最佳逼近实际地震记录。该方法将地震和测井信息有机结合,充分利用了地层的岩性特征信息,提高了对薄砂层的识别能力,在济阳坳陷临盘油田大芦家区块薄储集层预测中取得了较好的效果。图7表1参10
Under the conditions of thin interbedding sandstone and mudstone,constrained by the interpreted seismic layers,taking acoustic curve-reconstruction as the base,extrapolating and interpolating in the interpreted seismic layers,an initial wave impedance model is generated.Keeping on modifying the initial model until the synthetic seismic traces approach the real seismic traces.The method could combine the seismic data with the logging data efficiently,making full use of the stratigraphic information,improving the seismic resolution.A good effect has been achieved in the thin reservoir prediction of the Dalujia Block in the Linpan Oilfield,Jiyang Depression.
Under the conditions of thin interbedding sandstone and mudstone,constrained by the interpreted seismic layers,taking acoustic curve-reconstruction as the base,extrapolating and interpolating in the interpreted seismic layers,an initial wave impedance model is generated.Keeping on modifying the initial model until the synthetic seismic traces approach the real seismic traces.The method could combine the seismic data with the logging data efficiently,making full use of the stratigraphic information,improving the seismic resolution.A good effect has been achieved in the thin reservoir prediction of the Dalujia Block in the Linpan Oilfield,Jiyang Depression.
引文
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[3]谭丽娟,蒋有录,刘华,等.济阳坳陷南部油气成藏特征对比分析[J].石油勘探与开发,2003,30(3):39-43.(TAN Li-juan,JIANG You-lu,LIU Hua,et al.Petroleum accumulation andoccurrence in the Dongying and the Huimin Sags[J].PetroleumExploration and Development,2003,30(3):39-43.)
[4]李丕龙,金之钧,张善文,等.济阳坳陷油气勘探现状及主要研究进展[J].石油勘探与开发,2003,30(3):1-4.(LI Pi-long,JINZhi-jun,ZHANG Shan-wen,et al.The present research statusand progress of petroleum exploration in the Jiyang Depression[J].Petroleum Exploration and Development,2003,30(3):1-4.)
[5]张宗檩,操应长,高永进,等.东营凹陷沙三段—沙一段层序地层与油气[J].石油勘探与开发,2003,30(3):29-31.(ZHANGZong-lin,CAO Ying-chang,GAO Yong-jin,et al.Relationgshipbetween sequence stratigraphy and hydrocarbon accumulation inEs3-Es1of the Shahejie Fomation,Dongying Sag[J].PetroleumExploration and Development,2003,30(3):29-31.)
[6]刘书会,张繁昌,印兴耀,等.砂砾岩储集层的地震反演方法[J].石油勘探与开发,2003,30(3):124-125,128.(LIU Shu-hui,ZHANG Fan-chang,YIN Xing-yao,et al.Seismic inversion forgranule gravel reservoir[J].Petroleum Exploration andDevelopment,2003,30(3):124-125,128.)
[7]陈可为,王雅峰,孟祥军,等.井约束变砂模式识别法的应用[J].大庆石油地质与开发,2002,21(1):72-74.(CHEN Ke-wei,WANG Ya-feng,MENG Xiang-jun,et al.Application ofdifferent sand model at well restriction[J].Petroleum Geologyand Oilfield Development in Daqing,2002,21(1):72-74.)
[8]贾承造,赵文智,邹才能,等.岩性地层油气藏勘探研究的两项核心技术[J].石油勘探与开发,2004,31(3):3-9.(JIA Cheng-zao,ZHAO Wen-zhi,ZOU Cai-neng,et al.Two key technologiesabout exploration of stratigraphic-lithological reservois[J].Petro-leum Exploration and Development,2004,31(3):3-9.)
[9]李丕龙.陆相断陷盆地油气地质与勘探[M].北京:石油工业出版社,2003.62-65.(LI Pi-long.Petroleum geology andexploration of continental fault basin[M].Beijing:PetroleumIndustry Press,2003.62-65.)
[10]李庆忠.走向精确勘探的道路[M].北京:石油工业出版社,1994.(LI Qing-zhong.The way to the accurate exploration[M].Beijing:Petroleum Industry Press,1994.)
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