东濮凹陷南部沙三段物源分析
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摘要
东濮凹陷南部沙三段的物源一直存有争议。通过分析砂岩成分成熟度和重矿物特征,对东濮凹陷南部的物源进行分区;利用地震资料和测井资料,分别在垂向上和平面上对古水流体系进行研究,进而推测每个物源区的物源走向。结果表明,东濮凹陷南部沙三段为多物源体系:西部有3个物源口,主要呈NEE方向搬运沉积物;东部三春集一带有1个物源口,物源呈NW方向搬运;三春集以北有5个物源口,呈SW方向搬运沉积物。
There existed a debate on Es3 provenance in the south of Dongpu Depression.By analyzing the sandstone maturity and heavy mineral features,the provenance in the south of Dongpu Depression was identified.Then the seismic and logging data were used to study the paleoriver system respectively in the vertical and horizontal positions to judge the source direction of each zone.The result shows that Es3 in the south of Dongpu Depression is a multi-source system with three sources in the west,the provenance is transported to NEE as a sediment.In the east,there is one source in Sanchunji Area,from which sediment is transported to the NW,in the north of Sanchunji Area,there are 5 sources,from which sediment is transported to the SW.
There existed a debate on Es3 provenance in the south of Dongpu Depression.By analyzing the sandstone maturity and heavy mineral features,the provenance in the south of Dongpu Depression was identified.Then the seismic and logging data were used to study the paleoriver system respectively in the vertical and horizontal positions to judge the source direction of each zone.The result shows that Es3 in the south of Dongpu Depression is a multi-source system with three sources in the west,the provenance is transported to NEE as a sediment.In the east,there is one source in Sanchunji Area,from which sediment is transported to the NW,in the north of Sanchunji Area,there are 5 sources,from which sediment is transported to the SW.
引文
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[13]袁淑琴,刘子藏,李勇,等.黄骅坳陷缓坡带沙河街组物源体系分析[J].成都理工大学学报(自然科学版),2010,37(1):36～43.
[2]赵澄林.东濮凹陷第三系砂体微相与成岩作用[M].东营:华东石油学院出版社,1986.
[3]赵澄林.东濮凹陷下第三系碎屑岩沉积体系与成岩作用[M].北京;石油工业出版社,1992.
[4]韩保清,曾红兵,张洪安,等.东濮凹陷坡折带特征与砂体分布[J].江汉石油学院学报,2003,25(2):25～27.
[5]梁富康,于兴河,慕小水,等.东濮凹陷南部沙三中段构造调节带对沉积体系的控制作用[J].现代地质,2011,25(1):55～61,77.
[6]郑浚茂,王德发,孙永传.东濮断陷盐湖盆地下第三系砂体类型及沉积模式[J].沉积学报,1984,2(2):17～28.
[7]于兴河,李胜利.碎屑岩系油气储层沉积学的发展历程与热点问题思考[J].沉积学报,2009,27(5):880～895.
[8]陈蓉,王峰,田景春.鄂尔多斯盆地中西部延长组碎屑岩物源分析及储层特征[J].沉积与特提斯地质,2009,29(1):21～26.
[9]武文慧,侯明才,李智武.百色盆地东部坳陷北部陡坡带东段那读组砂岩碎屑组分及物源分析[J].成都理工大学学报(自然科学版),2010,37(1):64～68.
[10]汪正江,陈洪德,张锦泉.物源分析的研究与展望[J].沉积与特提斯地质,2000,20(4):104～110.
[11]Dickinson W R.Provenance of North American phanerozoic sandstone in relation to tectonic setting[J].Bull Geol Am,1983,94:222～235.
[12]姜在兴,邢焕清,李任伟,等.合肥盆地中-新生代物源及古水流体系研究[J].现代地质,2005,19(2):247～252.
[13]袁淑琴,刘子藏,李勇,等.黄骅坳陷缓坡带沙河街组物源体系分析[J].成都理工大学学报(自然科学版),2010,37(1):36～43.
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