辽河坳陷大民屯凹陷基岩碳酸盐岩地层特征与对比
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摘要
辽河坳陷大民屯凹陷基岩碳酸盐岩地层划分对比一直存在争议:一是该套地层是否存在古生界的问题,二是该套地层分区归属辽西和辽东的问题。通过钻井剖面的岩性、古生物、地震、测井及地球化学等资料进行综合研究,将该套地层划分出元古宇长城系大迫山组、康庄子组,下古生界寒武系—奥陶系,上古生界石炭系—二叠系及若干个岩性段。大民屯凹陷基岩碳酸盐岩地层位于华北地台的东北缘,该套地层层序及岩性组合特征可与河地层小区进行对比,但存在一定的差异性。基岩元古宇主要为长城系,可与河地层小区的长城系对比;差异性主要表现在大民屯凹陷北部基岩中发现了地表缺失的古生界。中新生界位于郯庐断裂带渤海段的交会处,中新生界属下辽河地层分区。
Division and comparison of basement carbonate rock formations of Damintun depression in Liaohe Basin has been remained controversial. One of the controversies is about whether Paleozoic exists in this set of formations. Another is the issue of partition attribution– whether this set of formations belongs to Liaoxi area or Liaodong area. Based on a comprehensive study of the data concerning lithological characters of drilling section, paleontology, seismic survey, logging and geochemistry, this set of formations can be divided into Dapashan formation and Kangzhuangzi formation of the Proterozoic Changcheng system, the Lower Paleozoic Cambrian – Ordovician system, the Upper Paleozoic Carboniferous – Permian system and a number of lithologic sections. The basement carbonate rock strata are located on the northeastern periphery of the table land in North China. The stratigraphic sequence and lithologic characters of the strata can be compared to those of Panhe formation, but there are some differences. Proterozoic bedrock, mainly Changcheng system, can be compared to Changcheng system in Panhe formation. The main difference is that the Paleozoic missing in the near surface can be found in the northern basement of Damintun depression. The Middle Cenozoic is located at the intersection of Tanlu fault in Bohai zone, belonging to Lower Liaohe formation zone.
Division and comparison of basement carbonate rock formations of Damintun depression in Liaohe Basin has been remained controversial. One of the controversies is about whether Paleozoic exists in this set of formations. Another is the issue of partition attribution– whether this set of formations belongs to Liaoxi area or Liaodong area. Based on a comprehensive study of the data concerning lithological characters of drilling section, paleontology, seismic survey, logging and geochemistry, this set of formations can be divided into Dapashan formation and Kangzhuangzi formation of the Proterozoic Changcheng system, the Lower Paleozoic Cambrian – Ordovician system, the Upper Paleozoic Carboniferous – Permian system and a number of lithologic sections. The basement carbonate rock strata are located on the northeastern periphery of the table land in North China. The stratigraphic sequence and lithologic characters of the strata can be compared to those of Panhe formation, but there are some differences. Proterozoic bedrock, mainly Changcheng system, can be compared to Changcheng system in Panhe formation. The main difference is that the Paleozoic missing in the near surface can be found in the northern basement of Damintun depression. The Middle Cenozoic is located at the intersection of Tanlu fault in Bohai zone, belonging to Lower Liaohe formation zone.
引文
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[13]邱芳.大民屯凹陷基岩油气藏油气运聚规律研究[J].河南石油,2006,20(3):1-3.Qiu Fang.Bedrock reservoirs of oil and gas migration and accumulation of research in Damintun depression[J].Henan Petroleum,2006,20(3):1-3.
[14]姜建群,张占文,李军,等.大民屯凹陷油气运聚史研究[J].吉林大学学报:地球科学版,2005,35(3):325-331.Jiang Jianqun,Zhang Zhanwen,Li Jun,et al.Oil and gas migration history in Damintun depression[J].Jilin University:Earth Science Edition,2005,35(3):325-331.
[2]崔思华,王明磊,彭秀丽,等.碳酸盐岩地层综合划分方法研究[J].西南石油大学学报:自然科学版,2011,33(5):41-48.Cui Sihua,Wang Minglei,Peng Xiuli,et al.Carbonate strata comprehensive classification method[J].Southwest Petroleum University:Natural Science Edition,2011,33(5):41-48.
[3]赵俊青,夏斌,纪友亮,等.湖相碳酸盐岩高精度层序地层学探析[J].沉积学报,2005,23(4):646-656.Zhao Junqing,Xia Bin,Ji Youliang,et al.Lacustrine carbonate rocks with high accuracy sequence stratigraphy analysis[J].Deposition Acta,2005,23(4):646-656.
[4]薛尚义.大民屯凹陷安福屯潜山油藏特征及油层分布[J].河南石油,2006,20(1):8-13.Xue Shangyi.Damintun depression Anfutun hill reservoir characteristics and reservoir distribution[J].Henan Petroleum,2006,20(1):8-13.
[5]倪国辉,鲍志东,杜旭东,等.辽河坳陷大民屯凹陷静北潜山基岩储集层研究[J].石油勘探与开发,2006,33(4):461-465.Ni Guohui,Bao Zhidong,Du Xudong,et al.Jingbei study of reservoir rock hill in Liaohe Depression Damintun depression[J].Petroleum Exploration and Development,2006,33(4):461-465.
[6]刘兴周.辽河油田西部及大民屯凹陷潜山储集层识别及储层特征[J].石油地质与工程,2007,21(4):5-8.Liu Xinzhou.Western Liaohe Oilfield and Damintun recessed identification and reservoir characteristics of buried hill reservoir[J].Petroleum Geology and Engineering,2007,21(4):5-8.
[7]侯建湘,孟庆友,汤淘,等.大民屯凹陷沈223-229潜山构造及储层研究[J].河南石油,2004,18(3):7-12.Hou Jianxiang,Meng Qingyou,Tang Tao,et al.Study on hill structure and reservoir of Shen 223-229 in Damintun depression[J].Henan Petroleum,2004,18(3):7-12.
[8]魏喜,祝永军,赵国春,等.辽河断陷曙光古潜山古生代储层储集空间特征及演化[J].石油与天然气地质,2004,25(4):467-471.Wei Xi,Zhu Yongjun,Zhao Guochun,et al.Liaohe rift Shuguang buried hill reservoir space Paleozoic reservoir characteristics and evolution[J].Oil and Gas Geology,2004,25(4):467-471.
[9]李军,刘兴周,高庆胜,等.大民屯凹陷前进潜山带储集层特征研究[J].石油地质与工程,2010,24(1):7-11.Li Jun,Liu Xingzhou,Gao Qingsheng,et al.Study on Qianjing hill reservoir characteristics in Damintun depression[J].Petroleum Geology and Engineering,2010,24(1):7-11.
[10]孟卫工,李晓光,刘宝鸿.辽河坳陷变质岩古潜山内幕油藏形成主控因素分析[J].石油与天然气地质,2007,28(5):584-589.Meng Weigong,Li Xiaoguang,Liu Baohong.Liaohe Depression metamorphic buried hill reservoir formation controlling factors analysis[J].Oil and Gas Geology,2007,28(5):584-589.
[11]李晓光,刘宝鸿,蔡国刚.辽河坳陷变质岩潜山内幕油藏成因分析[J].特种油气藏,2009,16(4):1-5.Li Xiaoguang,Liu Baohong,Cai Guogang.Analysis of the causes of metamorphic buried hill reservoir in Liaohe Depression[J].special reservoir,2009,16(4):1-5.
[12]郭彦民,李晓光,顾国忠.大民屯凹陷元古界分布与储层预测方法[J].特种油气藏,2007,14(2):27-31.Guo Yanmin,Li Xiaoguang,Gu Guozhong.Damintun depression Proterozoic distribution and reservoir prediction[J].Specialty reservoir,2007,14(2):27-31.
[13]邱芳.大民屯凹陷基岩油气藏油气运聚规律研究[J].河南石油,2006,20(3):1-3.Qiu Fang.Bedrock reservoirs of oil and gas migration and accumulation of research in Damintun depression[J].Henan Petroleum,2006,20(3):1-3.
[14]姜建群,张占文,李军,等.大民屯凹陷油气运聚史研究[J].吉林大学学报:地球科学版,2005,35(3):325-331.Jiang Jianqun,Zhang Zhanwen,Li Jun,et al.Oil and gas migration history in Damintun depression[J].Jilin University:Earth Science Edition,2005,35(3):325-331.