三肇凹陷白垩系姚一段葡萄花油层浅水三角洲高分辨率层序地层新认识
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摘要
依据地震、测井及岩心资料,应用高分辨率层序地层学原理对三肇凹陷白垩系姚一段葡萄花油层浅水三角洲相进行层序地层学研究,建立高分辨率层序地层格架。结果表明:姚一段葡萄花油层对应于长期基准面上升半旋回,相当于1个完整的中期基准面旋回,可进一步划分为8个短期基准面旋回;葡萄花油层的地层发育模式为自下而上逐层尖灭导致地层自北向南减薄;平行物源方向的等时对比应遵循"界面(冲刷面)—岩石—界面(沉积间断面)"的对比原则,而垂直物源方向的等时对比应遵循"岩石—界面"的地层对比原则。
According to the data of seismic,well logging and cores,the research of shallow delta sequence stratigraphy of Putaohua oil-bearing layer of member 1 of Yaojia formation of Cretaceous in Sanzhao sag was carried out,and a high-resolution sequence stratigraphic framework was established.The results show that Putaohua oil-bearing layer amounts to the rising hemicycle of the long-term base-level cycle,and folding one middle-term base-level cycle which could be classified into eight short-term ones under the guidance of high-resolution sequence stratigraphy theory.The formation thickness is becoming small from north to south,because every sublayer is up-piching out bed by bed.Different correlation principles should be followed with interface(erosion surface),rock,interface(sedimentary discontinuity) along the source direction,and rock,interface cross the source direction.
According to the data of seismic,well logging and cores,the research of shallow delta sequence stratigraphy of Putaohua oil-bearing layer of member 1 of Yaojia formation of Cretaceous in Sanzhao sag was carried out,and a high-resolution sequence stratigraphic framework was established.The results show that Putaohua oil-bearing layer amounts to the rising hemicycle of the long-term base-level cycle,and folding one middle-term base-level cycle which could be classified into eight short-term ones under the guidance of high-resolution sequence stratigraphy theory.The formation thickness is becoming small from north to south,because every sublayer is up-piching out bed by bed.Different correlation principles should be followed with interface(erosion surface),rock,interface(sedimentary discontinuity) along the source direction,and rock,interface cross the source direction.
引文
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[8]孙钰,钟建华,姜在兴,等.松辽盆地南部坳陷期层序地层研究[J].中国石油大学学报:自然科学版,2006,30(5):1-7.SUN Yu,ZHONG Jian-hua,JIANG Zai-xing,et al.Study of sequence stratigraphy of depression period insouthern Songliao Basin[J].Joural of China University ofPetroleum(Edition of Natural Science),2006,30(5):1-7.
[9]刘宗堡,马世忠,孙雨,等.三肇凹陷葡萄花油层高分辨率层序地层划分及沉积特征研究[J].沉积学报,2008,26(3):399-406.LIU Zong-bao,MAShi-zhong,SUNYu,et al.High-res-olution sequence stratigraphy division and depositionalcharacteristics of Putaohua reservoir,Sanzhao sag[J].Acta Sedmentologica Sinica,2008,26(3):399-406.
[10]CROSS TA,LESSENGER M A.Sediment volume par-titioning:rationale for stratigraphic model evaluation andhigh-Resolution stratigraphic correlation[C]//GRAD-STEIN E M,SANDVIK K O,MILTON N J.SequenceStratigraphy Concepts and Applications.NPF SpecialPublication,1998:171-195.
[11]任延广,王雅峰,王占国,等.松辽盆地北部葡萄花油层高频层序地层特征[J].石油学报,2006,27(增刊):25-30.RENYan-guang,WANG Ya-feng,WANG Zhan-guo,etal.Features of high-resolution sequence stratigraphy ofPutaohua reservoir in northern Songliao Basin[J].ActaPetrolei Sinica,2006,27(sup):25-30.
[12]CORNEL Olariu,JANOK P.Bhattacharya terminal dis-tributary channels and delta front architecture of river-dominated delta systems[J].Journal of Sedimentary Re-search,2006,76:212-233.
[2]魏魁生,徐怀大,叶淑芬,等.松辽盆地白垩系高分辨率层序地层格架[J].石油与天然气地质,1997,18(1):7-14.WEI Kui-sheng,XU Huai-da,YE Shu-fen,et al.Highresolution sequence stratigraphic framework in Creta-ceous,Songliao Basin[J].Oil&Gas Geology,1997,18(1):7-14.
[3]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):216-221.GUO Wei,LIU Zhao-jun,DONG Hui-min,et al.Thesequence stratigraphic features and hydrocarbon accumu-lation of Songliao Basin[J].Journal of Jilin University(Earth Science Edition),2004,34(2):216-221.
[4]朱建伟,刘招君,董清水,等.松辽盆地层序地层格架及油气聚集规律[J].石油地球物理勘探,2001,36(3):339-344.ZHU Jian-wei,LIU Zhao-jun,DONG Qing-shui,et al.Sequence-stratigraphic framework and oil-gas accumula-tion rule in Songliao Basin[J].Oil Geophysical Prospec-ting,2001,36(3):339-344.
[5]王璞,杜小弟,王俊,等.松辽盆地白垩纪年代地层研究及地层时代划分[J].地质学报,1995,69(4):372-381.WANG Pu-jun,DU Xiao-di,WANG Jun,et al.Thechronostratigraphy and stratigraphic classification of theCretaceous of the Songliao Basin[J].Acta Geologica Sin-ica,1995,69(4):372-381.
[6]梁江平,辛仁臣,王书恒,等.松辽盆地中部含油组层序地层格架及介形类特征的响应[J].地层学杂志,2005,29(4):405-409.LIANG Jiang-ping,XIN Ren-chen,WANG Shu-heng,etal.Sequece-stratigraphic framework and its response toCypridea of the middle oil-bearing beds of the SongliaoBasin[J].Journal of Stratigraphy,2005,29(4):405-409.
[7]解习农,程守田,陆永潮.陆相盆地幕式构造旋回与层序构成[J].地球科学——中国地质大学学报,1996,21(1):28-33.XIE Xi-nong,CHENG Shou-tian,LUYong-chao.Epsod-ic tectonic cycles and internal architectures of sequencesin continental Basin[J].Earth Science(Journal of ChinaUniversity of Geosciences),1996,21(1):28-33.
[8]孙钰,钟建华,姜在兴,等.松辽盆地南部坳陷期层序地层研究[J].中国石油大学学报:自然科学版,2006,30(5):1-7.SUN Yu,ZHONG Jian-hua,JIANG Zai-xing,et al.Study of sequence stratigraphy of depression period insouthern Songliao Basin[J].Joural of China University ofPetroleum(Edition of Natural Science),2006,30(5):1-7.
[9]刘宗堡,马世忠,孙雨,等.三肇凹陷葡萄花油层高分辨率层序地层划分及沉积特征研究[J].沉积学报,2008,26(3):399-406.LIU Zong-bao,MAShi-zhong,SUNYu,et al.High-res-olution sequence stratigraphy division and depositionalcharacteristics of Putaohua reservoir,Sanzhao sag[J].Acta Sedmentologica Sinica,2008,26(3):399-406.
[10]CROSS TA,LESSENGER M A.Sediment volume par-titioning:rationale for stratigraphic model evaluation andhigh-Resolution stratigraphic correlation[C]//GRAD-STEIN E M,SANDVIK K O,MILTON N J.SequenceStratigraphy Concepts and Applications.NPF SpecialPublication,1998:171-195.
[11]任延广,王雅峰,王占国,等.松辽盆地北部葡萄花油层高频层序地层特征[J].石油学报,2006,27(增刊):25-30.RENYan-guang,WANG Ya-feng,WANG Zhan-guo,etal.Features of high-resolution sequence stratigraphy ofPutaohua reservoir in northern Songliao Basin[J].ActaPetrolei Sinica,2006,27(sup):25-30.
[12]CORNEL Olariu,JANOK P.Bhattacharya terminal dis-tributary channels and delta front architecture of river-dominated delta systems[J].Journal of Sedimentary Re-search,2006,76:212-233.
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