南黄海盆地南部坳陷南五凹三垛组剥蚀量研究
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摘要
南黄海盆地南五凹自白垩纪以来经历了4期构造运动,其中古近纪末期三垛运动最为强烈,造成大范围的剥蚀。结合井资料,综合利用泥页岩声波时差法、镜质体反射率Ro差值法,从点上对三垛组剥蚀量进行了恢复;然后依托二维地震剖面,利用地层趋势法对该期剥蚀量进行了区域成图。结果表明,该事件中南五凹最大剥蚀厚度在凹陷西部,一般为700~950 m;东部剥蚀厚度一般为300~500 m,整体剥蚀厚度小于新近系地层补偿厚度。三垛组剥蚀量的研究对认识南五凹的成藏史及油气分布规律具有重要意义。
South V sag in South Yellow Sea Basin experienced four major tectonic activities since Cretaceous,among which Sanduo tectonic activity was the most intensive one that caused a wide range of erosions. Combined with the wells information,adopting the methods of acoustic time difference and vitrinite reflectance,the authors reconstructed the erosion thickness of Sanduo Formation. Afterwards,based on 2D seismic sections,erosion thickness map was completed with the method of stratum trend analysis. The research result indicated the maximum erosion thickness in the western South V sag was around 700 to 950 m,while the erosion in the eastern area was about 300 to 500 m. As a whole,the overall erosion thickness was less than the layer compensation thickness in Neogene System. The research of the erosion thickness in Sanduo Formation played an important role in recognizing the law of hydrocarbon accumulation and distribution in South V sag.
引文
陈增智,柳广弟,郝石生.1999.修正的镜质体反射率剥蚀厚度恢复方法[J].沉积学报,17(1):141-144.
    陈安定.2003.苏北第三系成熟演化指标与深度关系的3种模式[J].石油试验地质,25(1):58-63.
    陈拥锋,张渝昌,江兴歌.2007.构造趋势法计算剥蚀量的计算机实现[J].地质学刊(原《江苏地质》),31(4):344-347.
    付晓飞,李兆影,卢双舫,等.2004.利用声波时差资料恢复剥蚀量方法研究与应用[J].大庆石油地质与开发,23(1):9-11.
    胡圣标,汪集旸,张容燕.1999.利用镜质体反射率数据估算地层剥蚀厚度[J].石油勘探与开发,26(4):42-45.
    KATZ B J,吴振林.1989.不连续镜煤反射率剖面的解释[J].国外油气勘探,1(6):72-77.
    刘景彦,林畅松,喻岳钰,等.2000.用声波测井资料计算剥蚀量的方法改进[J].石油实验地质,22(4):302-306.
    鲁雪松,蒋有录,常振恒,等.2007.东濮凹陷东营组地层剥蚀厚度估算及其意义[J].地质科技情报,27(2):8-12.
    鲁雪松,马淑芳,杨贵丽.2009.苏北盆地金湖凹陷三垛组剥蚀厚度恢复及意义[J].西南石油大学学报:自然科学版,31(4):13-17.
    牟中海,陈志勇,陆廷清,等.2000.柴达木盆地北缘中生界剥蚀厚度恢复[J].石油勘探与开发,27(1):58-60.
    佟彦明,吴冲龙.2006a.Ro差值法恢复地层剥蚀量的不合理性[J].天然气工业,26(5):21-23.
    佟彦明,朱光辉.2006b.利用镜质体反射率恢复地层剥蚀量的几个重要问题[J].石油天然气学报:江汉石油学院学报,28(3):197-199.
    吴智平,韩文功.2000.济阳坳陷早晚第三纪沉积间断地层剥蚀量研究[J].中国海上油气:地质,14(5):27-30.
    吴智平,刘继国,张卫海,等.2001.辽河盆地东部凹陷北部地区新老第三纪界面地层剥蚀量研究[J].高校地质学报,7(1):99-105.
    王敏芳,黄传炎,徐志诚,等.2006.浅述地层剥蚀量恢复的基本原理与方法[J].海洋石油,26(1):28-33.
    翁望飞,王建强,张蓉蓉,等.2011.利用声波测井技术计算地层剥蚀厚度:以鄂尔多斯盆地为例[J].新疆石油地质,32(2):143-146.
    徐田武,王英民,魏水建,等.2008.苏北盆地始新统三垛运动剥蚀厚度恢复[J].石油天然气学报,30(6):56-60.
    杨立干,陆英,陈平原.2003.高邮凹陷上下第三系之间地层剥蚀量的研究[J].江汉石油学院学报,25(增刊:下):33-34.
    杨玉平,钟建华,段宏亮,等.2012.高邮凹陷吴堡断裂带南段古近系剥蚀量计算及地质意义[J].新疆石油地质,33(4):453-455.
    HEASLER H P,KHARITONOVA N K.1996.Analysisof sonicwell logs applied to erosion estimates in the Bighorn Basin,Wyoming[J].AAPG Bulletin,80(5):630-647.
    MAGARA K.1976.Thickness of removed sediments,paleo porepressure,and paleo temperature,southwestern part of Western Canada Basin[J].AAPG Bulletin,60(4):554-565.

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