扇三角洲微相模式在油藏挖潜中的应用
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摘要
辽河新生界裂谷型断陷盆地有多种扇三角洲油藏类型,发育规模大到几十平方公里,小到不及1平方公里.实践证明,剩余油分布与储层微相模式有着密切的内在联系.储层分布需要通过建立沉积微相模式来揭示.沉积微相模式的建立需要分析挖潜区块地震相、地震属性特征,地质背景、沉积环境背景、岩石相组合特点和类型及其变化规律与电相类型关系,划分出微相类型,总结各微相特点、展布规模.并利用相关完钻井储层厚度资料,以相带平面图为约束编制储层分布图,揭示出挖潜区块的储层分布特点,为井位部署提供地质依据.多年实践证明,在老油田挖潜增储、新井部署方面收到了良好效果."沉积微相模式"理论也成为油田开发实践的有效技术.
The Liaohe Cenozoic valley-type fault basin has many types of fan delta with oil reservoirs.Its developing scale is different from less than one square kilometers to dozens of square kilometers.Practice has proved that the residual oil distribution has close intrinsic relationship with the reservoir microfacies mode.The establishment of sedimentary microfacies mode is required for analysing the seismic facies, the characteritics of seismic attributes in potential blocks, the geological background , the background of sedimentary environment, the combination character of rock phase, and its relationship of the changing rules with electrofacies types to establish its sedimentary microfacies, mode and distinguish the type of the microfacies, as well as the microfacies characters, and distribution scale.Using reservoir thickness data from the relative done-drilling, with the limit of the phase band map, it is needed to edit the distribution map of the reservoir to show the distribution character of the reservoir with the potential ,and offer geophysical evidence for deployment of the well-location.From years'practice, the theory of sedimentary microfacies mode obtains better effect in expanding old oilfield potential and deployment of the new wells. It also becomes an efficient practical technology in exploiting oilfields.
The Liaohe Cenozoic valley-type fault basin has many types of fan delta with oil reservoirs.Its developing scale is different from less than one square kilometers to dozens of square kilometers.Practice has proved that the residual oil distribution has close intrinsic relationship with the reservoir microfacies mode.The establishment of sedimentary microfacies mode is required for analysing the seismic facies, the characteritics of seismic attributes in potential blocks, the geological background , the background of sedimentary environment, the combination character of rock phase, and its relationship of the changing rules with electrofacies types to establish its sedimentary microfacies, mode and distinguish the type of the microfacies, as well as the microfacies characters, and distribution scale.Using reservoir thickness data from the relative done-drilling, with the limit of the phase band map, it is needed to edit the distribution map of the reservoir to show the distribution character of the reservoir with the potential ,and offer geophysical evidence for deployment of the well-location.From years'practice, the theory of sedimentary microfacies mode obtains better effect in expanding old oilfield potential and deployment of the new wells. It also becomes an efficient practical technology in exploiting oilfields.
引文
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[2] FJ,佩蒂庄等著.砂和砂岩[M].李汉瑜译.北京:科学出版社,1977． FJ,Patti Chong.Sand and Sandstone[M].Thanslated by Li H Y.Beijing:Science Press,1977．
[3] 赵澄林,朱筱敏主编.沉积岩石学[M].北京:石油工业出版社,2001． Zhao C L,Zhu X M,Sedimentology[M].Beijing:Petroleum Industry Press,2001,
[4] 吴崇筠.湖盆砂体类型[J].1986,4(4) :1～27． Wu C Y.Sandbodies in Lake basin[J].1986． 4(4) :1～27．
[5] 吴崇筠薛叔浩.中国含油气盆地沉积学[M].北京:石油工业出版社,1992． Wu C Y,Xue S H.Chinese Petroliferous basin sendimentology[M].Beijing:Petroleum Industry Press,1992．
[6] 廖成君,宋兴文,张庆龙.辽河盆地欢喜岭油田欢北杜家台油藏扇三角洲储层地质建模及其应用效果[J].天然气地球科学2008,6:801～804． Liao C J,Song X W,Zhang Q L.Modeling for fan delta reservoir in Dujiatai,North of Huanxiling oilfield[J].Natural Gas Geoscience,2008,6 :801～804．
[7] 姜在兴,王建伟,刘云兰.断陷盆地陡坡带扇三角洲模拟及沉积动力学分析[J]海洋地质与第四纪地质.2005,4:29～34 Jiang Z X,Wang J W,Liu Y L.The simulation and sedimentary dynamic analysis of fan delta in the steep slope of fault basin[J].Marine Geology & Quaternary Geology.2005,4:29～34
[8] 赵澄林.沉积-储层地质文集[M].北京:石油工业出版社,2000． Zhao C L.Deposition-reservoir geology memoir[M].Beijing:Petroleum Industry Press,2000．
[9] 扇三角洲模式[M].北京:石油工业出版社,1993． Wang S Q.fan delta model[M].Beijing:Petroleum Industry Press,1993．
[10] 祝永军主编,辽河油田研究院论文集(2002年)[M].北京:石油工业出版社,2004年.Zhu Y J,et al.Research institute memoir of liaohe oilfield(2002) [M].,Beijing:Petroleum Industry Press,2004．
[11] 廖兴明,等.辽河盆地构造演化与油气[M].北京:石油工业出版社,1996． Liao X M,et al.Structure Evolution and Oil in Liaohe Basin[M].Beijing:petroleum industry publish office,1996．
[12] 张进铎.地震解释技术现状及发展趋势[J].地球物理学进展,2006,21(2) :578～587． Zhang J D.Present status and future trend of seismic data interpretation techniques[J].Progress in Geophysics,2006,21(2) :578～587．
[13] 关达,付强.地震解释技术新进展[J].勘探地球物理进展,2003,26(5-6) :367～374． Guan D,Fu Q.Advances in seismic interpretation[J].Progress in Exploration Geophysics,2003,26(5-6) :367～374．
[14] 李祥权 苏明 张建新 张红杰.三维地震技术在地质研究方面的应用[J].石油学报,2008,29(4) :553～557． Li X Q,Su M,Zhang J X,Zhang H J.Application of 3D seismic technique in geology study[J].Acta Petrolei Sinica.2008,29(4) :553～557．
[15] 马玉龙,等.辽河油区勘探与开发(开发分册)[M].北京:石油工业出版社,1997,13～69． Ma Y L,et al.Liaohe oilfield exploration and development(development fascicule)[M].Beijing:Petroleum Industry Press,1997,13～69．
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