SZ36-A油田东二段储层特征及主控因素研究 |
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引用本文: | 张若祥,郭涛,姜本厚,徐春强,王伟,张云慧.SZ36-A油田东二段储层特征及主控因素研究[J].石油地质与工程,2012,26(6):44-48,146. |
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作者姓名: | 张若祥 郭涛 姜本厚 徐春强 王伟 张云慧 |
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作者单位: | 1. 中海石油(中国)天津分公司勘探开发研究院,天津塘沽,300452 2. 中海石油能源发展有限公司采油工程研究院 |
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摘 要: | 绥中36-A油田是渤海海域亿吨级的大油田,古近系含油气层段主要集中在东二段。通过理论和实际相结合,物探和地质相结合,微观和宏观相结合,勘探和开发相结合,详细分析了该区东二段储层特征及其主控因素:东二段发育湖泊三角洲前缘亚相的有利储层相带;同时综合分析成岩作用,粘土矿物含量,温压场及流体充注的等几个影响物性的重要方面,认清了该段发育侧向展布范围广、纵向厚度大,高孔高渗优质储层的根本原因。
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关 键 词: | 渤海海域 绥中36-A油田 东二段储层微观特征 主控因素 三角洲前缘 优质储层 |
Analysis on reservoir characteristics and its main controlling factors of Ed2 formation in SZ36-A oilfield |
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Affiliation: | Zhang Ruoxiang et al (E&D research institute of Tianjin Branch Company, CNOOC, Tanggu, Tianjin 300452) |
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Abstract: | SZ36-A oilfield is a big oilfield with hundred-million tons in Bohai offshore field. The mainly oil-bearing is concentrate on Paleogene Ed2 formation. Through integrating theory with practice, geophysical with geological, reservoir characteristics with sedimentary facies and exploration with development, the rules of reservoir microscopic characteristics and its main controlling factors have been analyzed in this paper. The favorable reservoirs are mainly distributed in lake delta front. At the same time, diagenesis has been analyzed, which calculates the relative of clay minerals component temperature and pressure fields, liquid's filling and other important effects on reservoir characteristics. The sets of reservoir extension have bigger thickness, which belongs to high porosity and high permeability favorable reservoirs. |
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Keywords: | Bohai offshore field SZ36-A oilfield Ed2 formation reservoir microscopic characteristics main controlling factors delta front favorable reservoir |
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