大港油田中部滩海新近纪古湖泊发育的证据
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摘要
大港中部滩海新近系层系是重要的油气后备勘探领域和战略接替区.前人普遍认为新近系层系发育曲流河和辫状河沉积.借鉴渤海海域浅层油气勘探经验,基于遗迹组构、微古生物、生物有机化合物、碳氧同位素以及地震等地质资料分析,认为中部滩海东部发育开阔的古湖泊,其证据为:发育见于国内外浅湖环境的典型的Palaeophycus遗迹组构;发现丰富的见于正常浅湖环境的浮游绿藻化石;发现较多的仅分布在古代和现代湖泊中的介形类——Candona、Cypris;干酪根类型、生物有机化合物、碳氧同位素以及地震等地质资料也证明了古湖泊的存在.馆陶组中、晚期至明化镇组沉积早期为湖泊逐渐扩张达到鼎盛发育的时期.
The Neogene strata of central beach area in the Dagang Oilfield are important for reserve exploration and strategic substitution.The main depositional system of Neogene was regarded as meandering rivers and braided rivers.However,based on the analysis of ichnofabric,microfossils,organic compounds,oxygen and carbon isotope,seismic data,as well as the experiences of petroleum exploration in the shallow strata of Bohai Bay,lacustrine environment can be recognized in the east district of central beach,which is supported by the following evidence:typical Palaeophycus ichnofabric is found,which develops particularly in the shallow lake;abundant phytoplanktonic algae fossils are discovered,which live generally in the shallow lake.Moreover,as an indicator of ancient and modern lakes' existence,lots of ostracodas such as Candona and Cypris are discovered.The type of kerogen,organic compounds,oxygen and carbon isotope,and seismic data are also the existent evidences of lacustrine environment.The paleolake expanded till its maximum during the middle and late periods of Guantao Formation and the early period of Minghuazhen Formation.
The Neogene strata of central beach area in the Dagang Oilfield are important for reserve exploration and strategic substitution.The main depositional system of Neogene was regarded as meandering rivers and braided rivers.However,based on the analysis of ichnofabric,microfossils,organic compounds,oxygen and carbon isotope,seismic data,as well as the experiences of petroleum exploration in the shallow strata of Bohai Bay,lacustrine environment can be recognized in the east district of central beach,which is supported by the following evidence:typical Palaeophycus ichnofabric is found,which develops particularly in the shallow lake;abundant phytoplanktonic algae fossils are discovered,which live generally in the shallow lake.Moreover,as an indicator of ancient and modern lakes' existence,lots of ostracodas such as Candona and Cypris are discovered.The type of kerogen,organic compounds,oxygen and carbon isotope,and seismic data are also the existent evidences of lacustrine environment.The paleolake expanded till its maximum during the middle and late periods of Guantao Formation and the early period of Minghuazhen Formation.
引文
Gong,Y.M.,Liu,B.P.,Xiao,S.Y.,et al.,1997.Marine De-vonianichnofabrics of China and their relations to sedi-mentary sequences.Earth Science—Journal of ChinaUniversity of Geosciences,22(2):123-128(in Chinesewith English abstract).
Hu,B.,Jiang,Z.X.,Qi,Y.A.,et al.,2006.Trace fossils ofdeeper lacustrine deposits in the Paleogene ShahejieFormation of Jiyang depression,Shandong Province,eastern China.Acta Palaeontologica Sinica,45(1):83-94(in Chinese with English abstract).
Ji,L.M.,Wang,S,F.,Xu,J,L.,2006.Acritarch assemblagein Yanchang Formation in eastern Gansu Province andits environmental implications.Earth Science—Journalof China University of Geosciences,31(6):798-806(in Chinese with English abstract).
Li,S.T.,2004.Basin geodynamics background of formationof huge petroleumsystems.Earth Science—Journal ofChina University of Geosciences,29(5):505-512(inChinese with English abstract).
Liu,C.L.,Zhao,Q.H.,Wang,P.X.,2001a.Correlation be-tween carbon and oxygen isotopic ratios of lacustrine car-bonates and types of oil-producing paleolakes.Geochimica,30(4):363-367(in Chinese with English abstract).
Liu,C.L.,Zhao,Q.H.,Wang,P.X.,2001b.Paleolimnologi-cal significance of carbon and oxygen isotopic ratios ofostracoda fromoil source rocks in Dongying depression.Earth Science—Journal of China University of Geo-sciences,26(5):441-445(in Chinese with English ab-stract).
Locklair,R.E.,Savrda,C.E.,1998.Ichnofossil tiering anal-ysis of a rhythmically bedded chalk-marl sequenceintheUpper Cretaceous of Alabama.Lethaia,31:311-322.
Lu,Z.S.,Hao,C.K.,Ma,H.B.,et al.,2003.Continentalichnofabric types in the Liaohe oilfield and their envi-ronmental interpretation,China.Acta Geologica Sinica,77(1):9-15(in Chinese with English abstract).
Mi,L.J.,Bi,L.G.,Gong,S.L.,et al.,2004.Direct evidencefor development of Bohai paleolake during the Neogene.Marine Geology&Quaternary Geology,24(2):37-42(in Chinese with English abstract).
Mi,L.J.,Duan,J.L.,2001.Characteristics of middle andshallow strata oil-gas reservoirs and oil-gas accumula-tion ruleinthe middle area of Bohai.Acta Petrolei Sini-ca,22(2):32-37(in Chinese with English abstract).
Nanjing Institute of Geology and Palaeontology,ChineseAcademy of Sciences,1990.Fuxian lake.China OceanPress,Beijing(in Chinese).
Wang,D.F.,1987.Sedimentary facies and sedimentary envi-ronments of Tertiary in the Huanghua depression.Geo-logical Publishing House,Beijing(in Chinese).
Wang,H.F.,Hu,B.,Zhang,G.L.,et al.,2005.Discoveryand significance ofPaleodictyonof Paleogene inDongying sag.Xinjiang Petroleum Geology,26(4):404-407(in Chinese with English abstract).
Wang,K.F.,Zhang,Y.L.,Jiang,H.,et al.,1981.Discoveryof pediastrum assemblage from submarine peat bed inthe East China Sea andits implicationin sea level chan-ges of the latest Pleistocene.Chinese Science Bulletin,2:109-112(in Chinese).
Wang,P.X.,Chen,J.S.,Liu,C.L.,1991.Translation col-lections of paleolimnology.China Ocean Press,Beijing(in Chinese).
Xu,J.L.,Zhu,Y.H.,1993.Application of phytoplanktonicmicrofossils in paleolimnology.Research methods of pa-leolimnology in petroliferous basins.China OceanPress,Beijing,117-191(in Chinese).
Yang,C.Y.,2003.Exploration real m and strategy analysisfor Dagang exploration area.China Petroleum Explora-tion,8(2):13-17(in Chinese with English abstract).
Zhang,X.L.,Zhu,X.M.,Guo,C.M.,et al.,2006.Tracefossils of shore-shallow lacustrine Dainan Formation(Paleogene)in Gaoyou sag,Subei basin,Jiangsu Prov-ince.Acta Sedimentologica Sinica,24(1):81-89(inChinese with English abstract).
Zhu,H.R.,Zeng,Z.Q.,Zhang,Z.Y.,1978.Fossil pedias-trumalgae fromthe Dainan Formation lower tertiary ofnorthern Jiangsu with note on their sedimentary condi-tions.Acta Palaeontologica Sinica,17(3):233-244(in Chinese with English abatract).
龚一鸣,刘本培,肖诗宇,等,1997.中国海相泥盆纪遗迹组构及沉积层序的关系.地球科学——中国地质大学学报,22(2):123-128.
胡斌,姜在兴,齐永安,等,2006.山东济阳坳陷古近系沙河街组深水湖沉积中的遗迹化石.古生物学报,45(1):83-94.
吉利明,王少飞,徐金鲤,2006.陇东地区延长组疑源类组合特征及其古环境意义.地球科学——中国地质大学学报,31(6):798-806.
李思田,2004.大型油气系统形成的盆地动力学背景.地球科学——中国地质大学学报,29(5):505-512.
刘传联,赵泉鸿,汪品先,2001a.湖相碳酸盐氧碳同位素的相关性与生油古湖泊类型.地球化学,30(4):363-367.
刘传联,赵泉鸿,汪品先,2001b.东营凹陷生油岩中介形虫氧、碳同位素的古湖泊学意义.地球科学——中国地质大学学报,26(5):441-445.
卢宗盛,郝朝坤,马宏斌,等,2003.辽河油田陆相遗迹组构类型及其环境解释.地质学报,77(1):9-15.
米立军,毕力刚,龚胜利,等,2004.渤海新近纪古湖发育的直接证据.海洋地质与第四纪地质,24(2):37-42.
米立军,段吉利,2001.渤中坳陷中浅层油气成藏特点及其聚集规律.石油学报,22(2):32-37.
王德发,1987.黄骅坳陷第三系沉积相及沉积环境.北京:地质出版社.
王海方,胡斌,张关龙,等,2005.东营凹陷古近系Paleodic-tyon遗迹化石的发现及意义.新疆石油地质,26(4):404-407.
王开发,张玉兰,蒋辉,等,1981.东海海底泥炭层盘星藻组合的发现与晚更新世晚期的海平面变化.科学通报,2:109-112.
汪品先,陈嘉树,刘传联,1991.古湖泊学译文集.北京:海洋出版社.
徐金鲤,祝幼华,1993.微体浮游植物化石在古湖泊研究中的应用.含油盆地古湖泊学研究方法.北京:海洋出版社,117-191.
杨池银,2003.大港探区勘探领域及对策分析.中国石油勘探,8(2):13-17.
张喜林,朱筱敏,郭长敏,等,2006.苏北盆地高邮凹陷古近系戴南组滨浅湖沉积中的遗迹化石.沉积学报,24(1):81-89.
中国科学院南京地理与湖泊研究所,1990.抚仙湖.北京:海洋出版社.
朱浩然,曾昭琪,张忠英,1978.江苏古近系戴南组的盘星藻化石及其沉积环境的初步分析.古生物学报,17(3):233-244.
Hu,B.,Jiang,Z.X.,Qi,Y.A.,et al.,2006.Trace fossils ofdeeper lacustrine deposits in the Paleogene ShahejieFormation of Jiyang depression,Shandong Province,eastern China.Acta Palaeontologica Sinica,45(1):83-94(in Chinese with English abstract).
Ji,L.M.,Wang,S,F.,Xu,J,L.,2006.Acritarch assemblagein Yanchang Formation in eastern Gansu Province andits environmental implications.Earth Science—Journalof China University of Geosciences,31(6):798-806(in Chinese with English abstract).
Li,S.T.,2004.Basin geodynamics background of formationof huge petroleumsystems.Earth Science—Journal ofChina University of Geosciences,29(5):505-512(inChinese with English abstract).
Liu,C.L.,Zhao,Q.H.,Wang,P.X.,2001a.Correlation be-tween carbon and oxygen isotopic ratios of lacustrine car-bonates and types of oil-producing paleolakes.Geochimica,30(4):363-367(in Chinese with English abstract).
Liu,C.L.,Zhao,Q.H.,Wang,P.X.,2001b.Paleolimnologi-cal significance of carbon and oxygen isotopic ratios ofostracoda fromoil source rocks in Dongying depression.Earth Science—Journal of China University of Geo-sciences,26(5):441-445(in Chinese with English ab-stract).
Locklair,R.E.,Savrda,C.E.,1998.Ichnofossil tiering anal-ysis of a rhythmically bedded chalk-marl sequenceintheUpper Cretaceous of Alabama.Lethaia,31:311-322.
Lu,Z.S.,Hao,C.K.,Ma,H.B.,et al.,2003.Continentalichnofabric types in the Liaohe oilfield and their envi-ronmental interpretation,China.Acta Geologica Sinica,77(1):9-15(in Chinese with English abstract).
Mi,L.J.,Bi,L.G.,Gong,S.L.,et al.,2004.Direct evidencefor development of Bohai paleolake during the Neogene.Marine Geology&Quaternary Geology,24(2):37-42(in Chinese with English abstract).
Mi,L.J.,Duan,J.L.,2001.Characteristics of middle andshallow strata oil-gas reservoirs and oil-gas accumula-tion ruleinthe middle area of Bohai.Acta Petrolei Sini-ca,22(2):32-37(in Chinese with English abstract).
Nanjing Institute of Geology and Palaeontology,ChineseAcademy of Sciences,1990.Fuxian lake.China OceanPress,Beijing(in Chinese).
Wang,D.F.,1987.Sedimentary facies and sedimentary envi-ronments of Tertiary in the Huanghua depression.Geo-logical Publishing House,Beijing(in Chinese).
Wang,H.F.,Hu,B.,Zhang,G.L.,et al.,2005.Discoveryand significance ofPaleodictyonof Paleogene inDongying sag.Xinjiang Petroleum Geology,26(4):404-407(in Chinese with English abstract).
Wang,K.F.,Zhang,Y.L.,Jiang,H.,et al.,1981.Discoveryof pediastrum assemblage from submarine peat bed inthe East China Sea andits implicationin sea level chan-ges of the latest Pleistocene.Chinese Science Bulletin,2:109-112(in Chinese).
Wang,P.X.,Chen,J.S.,Liu,C.L.,1991.Translation col-lections of paleolimnology.China Ocean Press,Beijing(in Chinese).
Xu,J.L.,Zhu,Y.H.,1993.Application of phytoplanktonicmicrofossils in paleolimnology.Research methods of pa-leolimnology in petroliferous basins.China OceanPress,Beijing,117-191(in Chinese).
Yang,C.Y.,2003.Exploration real m and strategy analysisfor Dagang exploration area.China Petroleum Explora-tion,8(2):13-17(in Chinese with English abstract).
Zhang,X.L.,Zhu,X.M.,Guo,C.M.,et al.,2006.Tracefossils of shore-shallow lacustrine Dainan Formation(Paleogene)in Gaoyou sag,Subei basin,Jiangsu Prov-ince.Acta Sedimentologica Sinica,24(1):81-89(inChinese with English abstract).
Zhu,H.R.,Zeng,Z.Q.,Zhang,Z.Y.,1978.Fossil pedias-trumalgae fromthe Dainan Formation lower tertiary ofnorthern Jiangsu with note on their sedimentary condi-tions.Acta Palaeontologica Sinica,17(3):233-244(in Chinese with English abatract).
龚一鸣,刘本培,肖诗宇,等,1997.中国海相泥盆纪遗迹组构及沉积层序的关系.地球科学——中国地质大学学报,22(2):123-128.
胡斌,姜在兴,齐永安,等,2006.山东济阳坳陷古近系沙河街组深水湖沉积中的遗迹化石.古生物学报,45(1):83-94.
吉利明,王少飞,徐金鲤,2006.陇东地区延长组疑源类组合特征及其古环境意义.地球科学——中国地质大学学报,31(6):798-806.
李思田,2004.大型油气系统形成的盆地动力学背景.地球科学——中国地质大学学报,29(5):505-512.
刘传联,赵泉鸿,汪品先,2001a.湖相碳酸盐氧碳同位素的相关性与生油古湖泊类型.地球化学,30(4):363-367.
刘传联,赵泉鸿,汪品先,2001b.东营凹陷生油岩中介形虫氧、碳同位素的古湖泊学意义.地球科学——中国地质大学学报,26(5):441-445.
卢宗盛,郝朝坤,马宏斌,等,2003.辽河油田陆相遗迹组构类型及其环境解释.地质学报,77(1):9-15.
米立军,毕力刚,龚胜利,等,2004.渤海新近纪古湖发育的直接证据.海洋地质与第四纪地质,24(2):37-42.
米立军,段吉利,2001.渤中坳陷中浅层油气成藏特点及其聚集规律.石油学报,22(2):32-37.
王德发,1987.黄骅坳陷第三系沉积相及沉积环境.北京:地质出版社.
王海方,胡斌,张关龙,等,2005.东营凹陷古近系Paleodic-tyon遗迹化石的发现及意义.新疆石油地质,26(4):404-407.
王开发,张玉兰,蒋辉,等,1981.东海海底泥炭层盘星藻组合的发现与晚更新世晚期的海平面变化.科学通报,2:109-112.
汪品先,陈嘉树,刘传联,1991.古湖泊学译文集.北京:海洋出版社.
徐金鲤,祝幼华,1993.微体浮游植物化石在古湖泊研究中的应用.含油盆地古湖泊学研究方法.北京:海洋出版社,117-191.
杨池银,2003.大港探区勘探领域及对策分析.中国石油勘探,8(2):13-17.
张喜林,朱筱敏,郭长敏,等,2006.苏北盆地高邮凹陷古近系戴南组滨浅湖沉积中的遗迹化石.沉积学报,24(1):81-89.
中国科学院南京地理与湖泊研究所,1990.抚仙湖.北京:海洋出版社.
朱浩然,曾昭琪,张忠英,1978.江苏古近系戴南组的盘星藻化石及其沉积环境的初步分析.古生物学报,17(3):233-244.
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