冀东高尚堡油田Es_3~(2+3)层序地层学研究
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摘要
采用地震约束测井、测井标定和校正地震,二者相互动态调整的方法,对冀东高尚堡油田深层地层进行了深入的层序地层学研究:将Es23+3地层划分为1个层序、2个体系域、6个准层序组和16个准层序;总结了层序界面特征,将Es23和Es43顶部大套厚层泥岩作为目的层段层序研究的一般标志层,但是陆相沉积特有的复杂性,使得其识别难度很大;探讨了地层层序特征,认为目的层有两处沉积中心,其总体延伸方向近东西向。下部湖退体系域形成于湖盆收缩期,以G35-1、G62井区和G82井区沉积为中心,地层最厚;上部湖进体系域形成于湖盆大面积扩张时期,其沉积中心(G30-28井区以及G13-13井区)相对于下部体系域两个沉积中心,分别向北和东迁移。
The sequence stratigraphy of Es~(2+3)_3 formation in Gaoshangpu oil field is deeply studied with the method that seismic data controls well logs data while well logs data calibrates and adjusts seismic data dynamically. The target formation is classified into 1 sequence, 2 system tracts, 6 parasequence sets and 16 parasequences. Then, the features of sequence stratigraphic boundary are concluded. The thick shales on the top of Es~2_3 and Es~4_3 can be regarded as a general index horizon which is hard to recognize because of the complexity of lacustrine formation. And the sequence characteristics is debated that there are two sedimentation centers which prolong proximately eastward. The bottom regressive system tract, whose sedimentation center is well zone G35-1G62 and G82, was formed in the early period of the lake shrinkage; The top transgressive system tract, whose sedimentation center is well zone G30-28 and G13-13, was formed in the later lake extension period, during which the two sedimentation centers migrated northward and eastward.
The sequence stratigraphy of Es~(2+3)_3 formation in Gaoshangpu oil field is deeply studied with the method that seismic data controls well logs data while well logs data calibrates and adjusts seismic data dynamically. The target formation is classified into 1 sequence, 2 system tracts, 6 parasequence sets and 16 parasequences. Then, the features of sequence stratigraphic boundary are concluded. The thick shales on the top of Es~2_3 and Es~4_3 can be regarded as a general index horizon which is hard to recognize because of the complexity of lacustrine formation. And the sequence characteristics is debated that there are two sedimentation centers which prolong proximately eastward. The bottom regressive system tract, whose sedimentation center is well zone G35-1G62 and G82, was formed in the early period of the lake shrinkage; The top transgressive system tract, whose sedimentation center is well zone G30-28 and G13-13, was formed in the later lake extension period, during which the two sedimentation centers migrated northward and eastward.
引文
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[13]张世奇,纪友亮,王金友,等.陆相断陷湖盆中可容空间变化特征探讨[J].矿物岩石,2001,21(2):3437.ZHANG Shi-qi, JI You-liang, WANG Jin-you, et al.An approach to the accommodation space changes ofthe fault-depression lake basin[J].Journal of MineralPetrol,2001,21(2):3437.
[14]王卫红,姜在兴,操应长,等.测井曲线识别层序边界的方法探讨[J].西南石油学院学报,2003,25(3):15.WANG Wei-hong, JIANG Zai-xing, CAO Ying-chang,et al. Discussion of the methods of using log-ging curves to recognize sequence boundaries [ J ].Journal of Southwest Petroleum Institute,2003,25(3):15.
[15]操应长,姜在兴,王留奇,等.陆相断陷湖盆层序地层单元的划分及识别标志[J].石油大学学报(自然科学版),1996,20(4):15.CAO Ying-chang, JIANG Zai-xing, WANG Liu-qi, etal.Classification and identification of sequence strati-graphic units in a rift lake basin[J].Journal of the U-niversity of Petroleum,China,1996,20(4):15.
[2] Pinous O V, Levchuk M A, Sahagian D L. Regionalsynthesis of the productive Neocomian complex ofWest Siberia: Sequence stratigraphic framework [ J].AAPG Bulletin,2001,85(10):17131730.
[3] Lin Changsong,Kennesth Eriksson,Li Sitian,et al.Se-quence architecture, depositional systems, and controlson development of lacustrine basin fills in part of theErlian basin, northeast China [ J ]. AAPG Bulletin,2001,85(11):20172043.
[4]姚军辉,关晓东,林畅松.高尚堡油田沙河街组三段二、三亚段储层层序地层学研究[ J].石油与天然气地质,1997,18(1):5458.YAO Jun-hui, GUAN Xiao-dong, LIN Chang-song.Study on sequence stratigraphy of Es32+3submembers inGaoshangpu oil field [ J]. Oil &Gas Geology,1997,18(1):5458.
[5]朱筱敏,信荃麟.湖泊扇三角洲的重要特性[J].石油大学学报(自然科学版),1994,18(3):612.ZHU Xiao-min, XIN Quan-lin. Important features oflacustrine Fan[J].Journal of the University of Petrole-um,China,1994,18(3):612.
[6]朱筱敏.层序地层学[ M].东营:石油大学出版社,1999.ZHU Xiao-min.Sequence stratigraphy[M]. Dongying:Press of Petroleum University,1999.
[7] Wilgus C K,Posamentier H,Hasting B S,et al.层序地层学原理(海平面变化综合分析)[M].徐怀大,魏魁生,洪卫东,等译.北京:石油工业出版社,1993.Wilgus C K, Posamentier H, Hasting B S, et al. Sea-level changes: An integrated Approach [ M]. Beijing:Petroleum Industry Press ,1993.
[8] Posamentier H W,Vail P R.Eustatic controls on clas-tic deposition I: sequence and system tract [ A]. SeaLevel Changes: An Integrated Approach [ C ]. SEPMSpecial Publication,1988,(42):126148.
[9] Van Wagoner J G,Posamentier H W,Mitchum R M,etal.An overview of the fundamentals of sequence stra-tigraphy and key definitions[A].Sea level changes:Anintegrated Approach [ C]. SEPM Special Publication,1988,(42):3945.
[10]魏魁生,徐怀大.二连盆地白垩系非海相沉积层序特征[J].地球科学,1994,19(2):181193.WEI Kui-sheng, XU Huai-da. Sequence stratigraphicfeatures of Cretaceous nonmarine sediments in ErlianBasin[J].Earth Science,1994,19(2):181193.
[11]郭巍,刘招君,董惠民,等.松辽盆地层序地层特征及油气聚集规律[ J].吉林大学学报(地球科学版),2004,34(2):216221.GUO Wei,LIU Zhao-jun, DONG Hui-min, et al. Thesequence stratigraphic features and hydrocarbon accu-mulation of Songliao Basin[J].Journal of Jilin Univer-sity(Earth Science Edition),2004,34(2):216221.
[12]胡受权,郭文平,颜其彬,等.断陷湖盆陆相层序中体系域四分性探讨———泌阳断陷下第三系核桃园组为例[J].石油学报,2000,21(1):2328.HU Shou-quan, GUO Wen-ping, YAN Qi-bin, et al.Discussion on system tract four-division for a terrig-enous sequence stratigraphy in fault-depressed lacus-trine basin[J]. Acta Petroleisinica,2000,21(1):2328.
[13]张世奇,纪友亮,王金友,等.陆相断陷湖盆中可容空间变化特征探讨[J].矿物岩石,2001,21(2):3437.ZHANG Shi-qi, JI You-liang, WANG Jin-you, et al.An approach to the accommodation space changes ofthe fault-depression lake basin[J].Journal of MineralPetrol,2001,21(2):3437.
[14]王卫红,姜在兴,操应长,等.测井曲线识别层序边界的方法探讨[J].西南石油学院学报,2003,25(3):15.WANG Wei-hong, JIANG Zai-xing, CAO Ying-chang,et al. Discussion of the methods of using log-ging curves to recognize sequence boundaries [ J ].Journal of Southwest Petroleum Institute,2003,25(3):15.
[15]操应长,姜在兴,王留奇,等.陆相断陷湖盆层序地层单元的划分及识别标志[J].石油大学学报(自然科学版),1996,20(4):15.CAO Ying-chang, JIANG Zai-xing, WANG Liu-qi, etal.Classification and identification of sequence strati-graphic units in a rift lake basin[J].Journal of the U-niversity of Petroleum,China,1996,20(4):15.
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