琼东南盆地南部深水凹陷生物礁及碳酸盐岩台地发育模式
摘要
生物礁及碳酸盐岩储层是一种典型的油气储层,具有巨大的油气勘探潜力。我国南海是西太平洋最大的边缘海,其在形成演化过程中出现了有利于生物礁及碳酸盐岩发育的环境。琼东南盆地南部深水凹陷远离物源,在构造演化过程中产生了较多的构造高点,在这些构造高点的周缘适合生物礁及碳酸盐岩台地的发育。通过地震资料的解释及海平面变化曲线与层序的对比发现,琼东南盆地南部深水凹陷发育有规模大小不等的生物礁和碳酸盐岩台地,而且这些生物礁和碳酸盐岩台地的发育与海平面变化曲线和构造演化的阶段可以对应起来,应具有较好的油气勘探潜力。
As an important hydrocarbon reservoir, reefs and carbonates have great potential in oil exploration. The South China Sea is the biggest marginal sea in the West Pacific and its evolutionary process supply proper growing environment to the reef and carbonate. The south deepwater sag of Qiongdongnan Basin away from the provenance developed many structural highs on which reef and carbonate platforms were greatly developed. With the seismic profile and the comparison between the eustatic sea level change and sequence, the authors find that there developed different scales of reef and carbonate platforms in the sag. These reef and carbonate platforms have many developing stages which can be correlated with the eustatic sea level change and evolutionary stages, besides, they all have preferable hydrocarbon potential.
As an important hydrocarbon reservoir, reefs and carbonates have great potential in oil exploration. The South China Sea is the biggest marginal sea in the West Pacific and its evolutionary process supply proper growing environment to the reef and carbonate. The south deepwater sag of Qiongdongnan Basin away from the provenance developed many structural highs on which reef and carbonate platforms were greatly developed. With the seismic profile and the comparison between the eustatic sea level change and sequence, the authors find that there developed different scales of reef and carbonate platforms in the sag. These reef and carbonate platforms have many developing stages which can be correlated with the eustatic sea level change and evolutionary stages, besides, they all have preferable hydrocarbon potential.
引文
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[19]魏魁生,崔旱云,叶淑芬,等.琼东南盆地高精度层序地层学[J].地球科学:中国地质大学学报,2001,26(1):59-66.
[21]赵泉鸿,翦知湣,王吉良,等,南海北部新生代氧同位素地层学[J].中国科学:D辑,31(10):800-807.
[2]万志峰,夏斌,何家雄,等.南海北部莺歌海盆地与琼东南盆地油气成藏条件比较研究[J].天然气地球科学,2007,18(5):648-652.
[3]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(8):32-37.
[4]魏喜,祝永军,尹继红,等.南海盆地生物礁形成条件及发育趋势[J].特种油气藏,2006,13(1):10-15.
[5]Wu Shiguo,Yuan Shengqiang,Zhang Gongcheng,et al.Seis-mic Characterisitics of a Reef Carbonate Reservoir and I mpli-cations for Hydrocarbon Exploration in Deepwater of the Qiongdongnan Basin,Northern South China Sea[J].Marine and Petroleum Geology,2008:1-7.
[6]邱燕,王英民.南海第三纪生物礁分布与古构造和古环境[J].海洋地质与第四纪,2001,21(1):65-73.
[7]魏喜,邓晋福,谢文彦,等.南海盆地演化对生物礁的控制及礁油气勘探潜力分析[J].地学前缘,2005,12(3):245-252.
[8]张功成,米立军,吴时国,等.深水区——南海北部大陆边缘盆地油气勘探新领域[J].石油学报,2007,28(2):15-21.
[9]王振峰,何家雄.琼东南盆地中新经油气运聚成藏条件及成藏组合分析[J].天然气地球科学,2003,14(2):107-115.
[10]刘铁树,何士斌.南海北部陆缘盆地深水区油气勘探[J].中国海上油气:地质,2001,15(3):164-170.
[11]邱燕,陈泓君.南海新生代第三纪生物礁层序地层分析[J].南海地质研究,2000,11:53-66.
[12]曾鼎乾.南海北部大陆架第三纪生物礁研究及礁油藏勘探历史的回顾[J].南海石油,1989,6(3):1-7.
[13]金钟,徐世浙,李全兴.南海海盆海山古地磁及海盆的形成演化[J].海洋学报,2004,26(5):83-93.
[14]Erlich R N,Barret S F,Ju G B.Seismic and geologic charac-teristics of drowning events on carbonate platforms[J].AAPG Bulletin,1990,74(10):1523-1537.
[15]Sattler U,Zampetti V,Schlager W,et al.Late Leaching Un-der Deep Burial Conditions:a Case Study from the Miocene Zhujiang Carbonate Reservoir,South China Sea[J].Marine and Petroleum Geology,2004,21(8):977-992.
[16]Esteban M,Taberner C.Secondary Porosity Development During Late Burial in Carbonate Reservoirs as a Result of Mixing And/or Cooling of Brines[J].Journal of Geochemical Exploration,2003,78(3):355-359.
[17]Moldovanyi E P,Wall F W,Zhang J Y.Regional Exposure E-vents and Platform Evolution of Zhujiang Formation Carbon-ates,Pearl River Mouth Basin:Evidence fromPri mary and Di-agenetic Seismic Facies[M]:AAPG Memoir,1995,63:125-140.
[18]Zampetti V,Schlager W.Architecture and Growth History of a Miocene Carbonate Plateform from3D Seismic Reflection Data:Luconia Province,Offshore Sarawak,Malaysia[J].Ma-rine and Petroleum Geology,2004,21:517-534.
[19]魏魁生,崔旱云,叶淑芬,等.琼东南盆地高精度层序地层学[J].地球科学:中国地质大学学报,2001,26(1):59-66.
[21]赵泉鸿,翦知湣,王吉良,等,南海北部新生代氧同位素地层学[J].中国科学:D辑,31(10):800-807.
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