珠江口盆地(东部)珠江组碳酸盐岩层序地层及储层分布
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摘要
以层序地层学理论为指导,运用岩芯观察及薄片鉴定、测井、录井、地震及其古生物等资料对珠江口盆地(东部)珠江组碳酸盐岩进行层序地层研究,共识别出5个三级层序界面和4个三级层序,各三级层序界面均是Vail的Ⅱ类层序界面的具体表现,建立了珠江组碳酸盐岩的层序地层格架。在层序地层研究的基础上,对碳酸盐岩储层的时空分布进行了系统研究,储层主要发育在三级层序高位体系域。结果表明:有利储集相带分布于流花地区SQ3-HST台地边缘礁及生屑滩,较有利储集相带分布于惠州地区SQ1-HST、SQ2-HST台地边缘礁、生屑滩或台内点礁、生屑滩,以及陆丰地区SQ1-HST台内点礁、生屑滩。
On the basis of stratigraphic theory and the analysis of core,thin section,logging,seismic and paleontological data,five sequence boundaries which are similar to type two sequence boundary of Vail sequence and four sequences can be recognized of carbonate of Zhujiang Formation in the eastern Pearl River Mouth Basin.The isochronous formation framework has been established.According to the study of sequence stratigraphy,the temporal and distribution of reservoir of the carbonate rock can be inferred.The relation between reservoir and sequence stratum is determined and the reservoir mainly occurs in the HST of the sequence framework.The results show that platform edge reef and bioclast bank of SQ3-HST in liuhua area are the favorable reservoir belt,reef and bioclast bank of platform edge or platform point reef and bioclast bank of internal platform of SQ1-HST and SQ2-HST in Huizhou area and platform point reef and bioclast bank of internal platform of SQ1-HST in lufeng area are the less favorable reservoir.
On the basis of stratigraphic theory and the analysis of core,thin section,logging,seismic and paleontological data,five sequence boundaries which are similar to type two sequence boundary of Vail sequence and four sequences can be recognized of carbonate of Zhujiang Formation in the eastern Pearl River Mouth Basin.The isochronous formation framework has been established.According to the study of sequence stratigraphy,the temporal and distribution of reservoir of the carbonate rock can be inferred.The relation between reservoir and sequence stratum is determined and the reservoir mainly occurs in the HST of the sequence framework.The results show that platform edge reef and bioclast bank of SQ3-HST in liuhua area are the favorable reservoir belt,reef and bioclast bank of platform edge or platform point reef and bioclast bank of internal platform of SQ1-HST and SQ2-HST in Huizhou area and platform point reef and bioclast bank of internal platform of SQ1-HST in lufeng area are the less favorable reservoir.
引文
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3胡平忠,王金中.珠江口盆地第三纪生物礁[C]∥范嘉松.中国生物礁与油气.北京:海洋出版社,1996:294～325[Hu Pingzhong,Wangjinzhong.Tertiary Reef in Pearl River Mouth Basin[C]∥FanJiasong.Reefs and Oil-Gas in China.Beijing:Ocean Publishing House,1996:294-325]
4吴熙纯,李培华,胡平忠.中国南海中新世东沙台地白垩化的生物礁—滩储集层[C]∥孙肇才,王庭斌,杨起,等.化石燃料地质—石油、天然气和煤(第30届国际地质大会论文集,第18卷).北京:地质出版社.1998:142-156[Wu Xichun,Li Peihua,HuPingzhong.Cretaceous of reservoir of reef-bank complex on the MioceneDongsha platform,South China Sea[C]∥Sun Zhaocai,Wang Tingbin,Yan Qi,et al.Geology of fossil fuels:Oil,gas and coal(the ThirtiethInternational Geological Congress Proceedings,18).Beijing:Geolog-ical Publishing House,1998:142-156]
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7徐国强,吕柄全,王红罡.新生代南海北部碳酸盐岩台地的淹没事件研究[J].同济大学学报,2002,30(1):35-40[Xu Guoqiang,LüBingquan,Wang Honggang.Drowning event research:Insightsfrom Cenozoic carbonate platforms in Northern South China Sea[J].Journal of Tongji University,2002,30(1):35-40]
8王春修.珠江口盆地海相中新统层序地层分析及其意义[J].中国海上油气:地质,1996,10(5):279-288[Wang Chunxiu.Sequencestratigraphic analysis of marine Miocene formations in the Pearl RiverMouth Basin and its significance[J].China Offshore Oil and Gas:Ge-ology,1996,10(5):279-288]
9黄虑生.珠江口盆地第三系生物地层框架[J].中国海上油气:地质,1999,13(6):406-415[Huang Lusheng.Tertiary biostratigraphicframework of Pearl River Mouth Basin[J].China Offshore Oil andGas:Geology,1999,13(6):406-415]
10谢利华,张博,秦成岗,等.陆架坡折盆地强制海退及正常海退沉积—以珠江口盆地珠江组—韩江组为例[J].沉积学报,2009,27(6):1093-1100[Xie Lihua,Zhang Bo,Qing Chenggang,et al.Forced regression and normal regression deposition of basin with Conti-nental Shelf Slope-break:A case study on Zhujiang and Hanjiang For-mations of Pearl River Mouth Basin[J].Acta Sedimentologica Sinica,2009,27(6):1093-1100]
11施和生,李文湘,邹晓萍,等.珠江口盆地(东部)21～16.5Ma沉积相与油气[C]∥2001年全国沉积学大会摘要论文集.2001:127-128[Shi Hesheng,Li Wenxiang,Zhou Xiaoping,et al.Sedimen-tary facies and Petroleum between 21Ma and 16.5Ma in the easternPearl River Mouth Basin[C]∥National Conference Summary Pro-ceedings of Sedimentology in 2001.2001:127-128]
12黄诚,傅恒,王瑞良,等.珠江口盆地东沙隆起珠江组层序界面的识别及划分[J].海相油气地质,2010,15(3):32-39[HuangCheng,Fu Heng,Wang Ruiliang,et al.Identification and division oftertiary Zhujiang sequence boundaries in Dongsha Uplift,Pearl RiverMouth Basin[J].Marine and Petroleum Geology,2010,15(3):32-39]
13姚伯初,万玲,吴能友.大南海地区新生代板块构造运动[J].中国地质,2000,31(2):113-122[Yao Bochu,Wan Ling,WuNengyou.Cenozoic plate tectonic activities in the Great South ChinaSea area[J].Geology in China,2000,31(2):113-122]
14陈长民.珠江口盆地东部石油地质及油气藏形成条件初探[J].中国海上油气:地质,2000,14(2):73-83[Cheng Changming.Petroleum Geology and Conditions for Hydrocarbon Accumulation inthe Eastern Pearl River Mouth Basin[J].China Offshore Oil andGas:Geology,2000,14(2):73-83]
15庞雄,陈长民,邵磊,等.白云运动:南海北部渐新统—中新统重大地质事件及其意义[J].地质评论,2007,53(2):145-151[Pang Xiong,Cheng Changming,Shao Lei,et al.Baiyun movement:a great tectonic event on the Oligocene—Miocene boundary in theNorthern South China Sea and its implications[J].Geological Re-view,2007,53(2):145-151]
16 Sattler U,Zanpetti V,Schlager W.Late leaching under deep burialconditions:a case study from the Miocene Zhujiang Carbonate Reser-voir,South China Sea[J].Marine and Petroleum Geology,2004,21:977-992
17岳大力,吴胜和,林承焰,等.流花11-1油田礁灰岩油藏沉积—成岩演化模式[J].石油与天然气地质,2005,26(4):518-529[Yue Dali,Wu Shenghe,Lin chengyan,et al.Sedimentary and dia-genetic evolution pattern of reef limestone reservoirs in Liuhua 11-1 oilfield[J].Oil&Gas Geology,2005,26(4):518-529]
18孙启发,马玉波,赵强,等.南海北部生物礁碳酸盐岩成岩作用差异及其影响因素研究[J].天然气地球科学,2008,19(5):665-672[Sun Qiliang,Ma Yubo,Zhao Qiang,et al.Different reefcarbonate diagenesis and its influential factors,Northern South ChinaSea[J].Natural Gas Geoscience,2008,19(5):665-672]
2陈国威.南海生物礁及礁油气藏形成的基本特征[J].海洋地质动态.2003,19(7):32-37[Chen Guowei.Basic characteristics of forma-tion of biohem and reef oil-gas pools in the South China Sea[J].MarineGeology Letters,2003,19(7):32-37]
3胡平忠,王金中.珠江口盆地第三纪生物礁[C]∥范嘉松.中国生物礁与油气.北京:海洋出版社,1996:294～325[Hu Pingzhong,Wangjinzhong.Tertiary Reef in Pearl River Mouth Basin[C]∥FanJiasong.Reefs and Oil-Gas in China.Beijing:Ocean Publishing House,1996:294-325]
4吴熙纯,李培华,胡平忠.中国南海中新世东沙台地白垩化的生物礁—滩储集层[C]∥孙肇才,王庭斌,杨起,等.化石燃料地质—石油、天然气和煤(第30届国际地质大会论文集,第18卷).北京:地质出版社.1998:142-156[Wu Xichun,Li Peihua,HuPingzhong.Cretaceous of reservoir of reef-bank complex on the MioceneDongsha platform,South China Sea[C]∥Sun Zhaocai,Wang Tingbin,Yan Qi,et al.Geology of fossil fuels:Oil,gas and coal(the ThirtiethInternational Geological Congress Proceedings,18).Beijing:Geolog-ical Publishing House,1998:142-156]
5秦国权.微体古生物在珠江口盆地新生代晚期层序地层学研究中的应用[J].海洋地质与第四纪地质,1996,16(4):279-288[QinGuoquan.Application of micropaleontology to the sequence stratigraph-ic studies of Late Cenozoic in the Zhujiang River Mouth Basin[J].Ma-rine Geology&Quaternary Geology,1996,16(4):279-288]
6秦国权.珠江口盆地新生代晚期层序地层划分和海平面变化[J].中国海上油气:地质,2002,19(1):1-18[Qing Guoquan.Late Ce-nozoic sequence stratigraphy and sea-level changes in Pearl RiverMouth Basin,South China Sea[J].China Offshore Oil and Gas(Geol-ogy),2002,19(1):1-18]
7徐国强,吕柄全,王红罡.新生代南海北部碳酸盐岩台地的淹没事件研究[J].同济大学学报,2002,30(1):35-40[Xu Guoqiang,LüBingquan,Wang Honggang.Drowning event research:Insightsfrom Cenozoic carbonate platforms in Northern South China Sea[J].Journal of Tongji University,2002,30(1):35-40]
8王春修.珠江口盆地海相中新统层序地层分析及其意义[J].中国海上油气:地质,1996,10(5):279-288[Wang Chunxiu.Sequencestratigraphic analysis of marine Miocene formations in the Pearl RiverMouth Basin and its significance[J].China Offshore Oil and Gas:Ge-ology,1996,10(5):279-288]
9黄虑生.珠江口盆地第三系生物地层框架[J].中国海上油气:地质,1999,13(6):406-415[Huang Lusheng.Tertiary biostratigraphicframework of Pearl River Mouth Basin[J].China Offshore Oil andGas:Geology,1999,13(6):406-415]
10谢利华,张博,秦成岗,等.陆架坡折盆地强制海退及正常海退沉积—以珠江口盆地珠江组—韩江组为例[J].沉积学报,2009,27(6):1093-1100[Xie Lihua,Zhang Bo,Qing Chenggang,et al.Forced regression and normal regression deposition of basin with Conti-nental Shelf Slope-break:A case study on Zhujiang and Hanjiang For-mations of Pearl River Mouth Basin[J].Acta Sedimentologica Sinica,2009,27(6):1093-1100]
11施和生,李文湘,邹晓萍,等.珠江口盆地(东部)21～16.5Ma沉积相与油气[C]∥2001年全国沉积学大会摘要论文集.2001:127-128[Shi Hesheng,Li Wenxiang,Zhou Xiaoping,et al.Sedimen-tary facies and Petroleum between 21Ma and 16.5Ma in the easternPearl River Mouth Basin[C]∥National Conference Summary Pro-ceedings of Sedimentology in 2001.2001:127-128]
12黄诚,傅恒,王瑞良,等.珠江口盆地东沙隆起珠江组层序界面的识别及划分[J].海相油气地质,2010,15(3):32-39[HuangCheng,Fu Heng,Wang Ruiliang,et al.Identification and division oftertiary Zhujiang sequence boundaries in Dongsha Uplift,Pearl RiverMouth Basin[J].Marine and Petroleum Geology,2010,15(3):32-39]
13姚伯初,万玲,吴能友.大南海地区新生代板块构造运动[J].中国地质,2000,31(2):113-122[Yao Bochu,Wan Ling,WuNengyou.Cenozoic plate tectonic activities in the Great South ChinaSea area[J].Geology in China,2000,31(2):113-122]
14陈长民.珠江口盆地东部石油地质及油气藏形成条件初探[J].中国海上油气:地质,2000,14(2):73-83[Cheng Changming.Petroleum Geology and Conditions for Hydrocarbon Accumulation inthe Eastern Pearl River Mouth Basin[J].China Offshore Oil andGas:Geology,2000,14(2):73-83]
15庞雄,陈长民,邵磊,等.白云运动:南海北部渐新统—中新统重大地质事件及其意义[J].地质评论,2007,53(2):145-151[Pang Xiong,Cheng Changming,Shao Lei,et al.Baiyun movement:a great tectonic event on the Oligocene—Miocene boundary in theNorthern South China Sea and its implications[J].Geological Re-view,2007,53(2):145-151]
16 Sattler U,Zanpetti V,Schlager W.Late leaching under deep burialconditions:a case study from the Miocene Zhujiang Carbonate Reser-voir,South China Sea[J].Marine and Petroleum Geology,2004,21:977-992
17岳大力,吴胜和,林承焰,等.流花11-1油田礁灰岩油藏沉积—成岩演化模式[J].石油与天然气地质,2005,26(4):518-529[Yue Dali,Wu Shenghe,Lin chengyan,et al.Sedimentary and dia-genetic evolution pattern of reef limestone reservoirs in Liuhua 11-1 oilfield[J].Oil&Gas Geology,2005,26(4):518-529]
18孙启发,马玉波,赵强,等.南海北部生物礁碳酸盐岩成岩作用差异及其影响因素研究[J].天然气地球科学,2008,19(5):665-672[Sun Qiliang,Ma Yubo,Zhao Qiang,et al.Different reefcarbonate diagenesis and its influential factors,Northern South ChinaSea[J].Natural Gas Geoscience,2008,19(5):665-672]
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