曙光油田二区沙三段中部地层划分与对比研究
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摘要
曙光油田二区在构造上位于辽河断陷西部凹陷西斜坡中段曙光油田的南部。通过对曙光油田二区沙三段钻、测井资料的系统普查和分析,并结合沉积旋回、岩性纵向组合特征和地震反射特征开展地质地震综合划分与对比,确定了大凌河油层和莲花油层的沉积旋回、岩电细合及标志层特征。在此基础上,采用单井→剖面→平面、油层→油组→砂组的研究思路,开展了研究区目标层段的层组划分和对比,以此来提高研究区内地层对比的精度,为该区勘探开发提供了科学性的指导。
The Block Shuguang2 is in the middle part of west slope of Liaohe western fault depression.Through drilling, logging data survey and analysis,and in combination with sedimentary cycles,vertical lithologic combination features and seismic reflection characteristics comprehensive geological division and contrast are carried out to determine the Dalinghe Reservoir and sedimentary cycles,rock electricity combination and mark layer characteristics.On the basis of stated above,the single well,profile and plane,reservoir,oil group-sand group research ideas are used to research the target layer layer division and contrast.Interior layer comparison accuracy is improved for the exploration and development,it can provide a scientific guidance
引文
[1]郭秀蓉,程守田,刘星.油藏描述中的小层划分与对比以垦西油田K71断块东营组为例[J].地质科技情报,2001,20(2): 55-58.
    [2]马玉龙.辽河油区勘探与开发(勘探分册)[M].北京:石油工业出版社,1997:336.
    [3]鞠俊成,张凤莲,喻国凡,等.辽河盆地西部凹陷南部沙三段储层沉积特征及含油气性分析[J].古地理学报,2001,3(1):63-70.

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