| 焉耆盆地博湖坳陷八道湾组底部层序(SQ1)地震相研究 |
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| 引用本文： | 敖丽英,洪才均,李小刚,武金龙,黄燕. 焉耆盆地博湖坳陷八道湾组底部层序(SQ1)地震相研究[J]. 新疆石油天然气, 2010, 6(4) |
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| 作者姓名： | 敖丽英 洪才均 李小刚 武金龙 黄燕 |
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| 作者单位： | 成都理工大学能源学院;中国石化西北油田分公司;四川省地矿局109地质队;成都理工大学沉积地质研究院; |
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| 摘 要： | 博湖坳陷是焉耆盆地的主要油气勘探区域,但长期以来,该地区都以寻找构造圈闭为主要勘探目标,随着勘探程度的加深,寻找构造油气藏的难度不断加大,为进一步打开油气勘探局面,故迫切需要寻找隐蔽圈闭。为此,通过对八道湾组底部层序(SQ1)开展地震相-沉积相分析,结合已有钻井岩性资料,预测油气富集相带。研究表明,研究区主要存在山前复合扇体、主水道、扇三角洲;废弃的三角洲平原、沼泽、三角洲平原;强制水退、低位三角洲;滨浅湖、半深湖等相带。强制水退期间沉积的倾向湖盆的前积砂泥互层,极有可能发育孤立砂体,形成隐蔽的岩性圈闭,是最为有利的勘探目标。
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| 关 键 词： | 博湖坳陷 八道湾组 底部层序 地震相 岩相分布 |
SEISMIC FACIES STUDY OF BADAOWAN FORMATION BASAL SEQUENCE(SQ1)IN BOHU DEPRESSION OF YANQI BASIN |
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| Ao Li-ying,Hong Cai-jun,Li Xiao-gang,et al.. SEISMIC FACIES STUDY OF BADAOWAN FORMATION BASAL SEQUENCE(SQ1)IN BOHU DEPRESSION OF YANQI BASIN[J]. Xinjiang Oil & Gas, 2010, 6(4) |
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| Authors: | Ao Li-ying Hong Cai-jun Li Xiao-gang et al. |
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| Affiliation: | Ao Li-ying,Hong Cai-jun,Li Xiao-gang,et al.College of Energy Exploration of Chengdu University of Technology,Chengdu Sichuan 610059 |
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| Abstract: | Bohu depression is the main hydrocarbon exploration area in the Yanqi basin.However,for a long time,structural traps are searched as its main exploration target in this area.With the further exploration,finding structural reservoirs is becomong harder and harder.In order to breakout the situation of hydrocarbon exploration,it is urgent to find the subtle traps.according to the seismic internal reflection and external geometry,continuity,amplitude,frequency and other seismic facies parameter,7 seismic facies... |
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| Keywords: | Bohu depression Badaowan formation Basal sequence Seismic facies Lithofacies distribution |
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