大庆石油地质与开发

2001, (05) 7-9+72

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三江盆地绥滨坳陷绥D2井地层问题探讨
DISCUSS ON THE FORMATION IN WELL SUI D2 IN SUIBIN DEPRESSION IN SANJIANG BASIN

孔祥瑞,黄清华,杨建国,孔惠
KONG Xiang rui; HUANG Qing hua; YANG Jiang guo; KONG Hui (Exploration and Development Research Institute of Daqing Oil Field Company Ltd.;

摘要(Abstract):

三江盆地位于黑龙江省东部 ,是一中生代形成的断陷盆地 ,盆地内中生代地层发育。通过三江盆地绥滨坳陷绥D2 井孢粉化石的系统研究 ,在 380 15~ 5 12 30m井段发现了丰富的孢粉化石 ,计有5 8属 98种 ,新建了Cyathidites-Asseretospora -Classopollis组合 ,这一孢粉化石组合体现了中侏罗世孢粉植被特征。依据新发现的孢粉化石资料 ,对绥D2 井井下地层进行了重新厘定 ,将完井地质总结报告中原定为上侏罗统东荣组的上部 (366 4 0~ 380 15m)划归为中新统富锦组 ,将原定的东荣组下部(380 15~ 398 5 0m)及原定的石炭—二叠系浅变质岩段 (398 5 0~ 5 12 30m)厘定为中侏罗统绥滨组。中侏罗统绥滨组在断陷内的发现 ,对重新认识三江盆地构造发展史、沉积演变史 ,进而指导盆地油气勘探具有十分重要的理论和现实意义
Basing on the data of the sporopollen fossil which is found in Well Sui D 2 in Suibin Depression in Sanjiang Basin, this paper discusses the stratigraphic problem in this formation. The sporopollen reflects the age as middle Jurassic, so the originally determined Carboniferous Triassic internal is changed into middle Jurassic Suibin Member. According to the lighologic characteristic, the originally determined 366.40 380.15 m internal in Dongying Member is put into upper Tertiary Fujin Member.

关键词(KeyWords): 绥D2井;中侏罗世;孢粉化石;地层;探讨
Well Sui D2; middle Jurassic; sporopollen fossil; stratigraphy; discuss

Abstract:

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作者(Authors): 孔祥瑞,黄清华,杨建国,孔惠
KONG Xiang rui; HUANG Qing hua; YANG Jiang guo; KONG Hui (Exploration and Development Research Institute of Daqing Oil Field Company Ltd.;

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