| 三湖坳陷北斜坡区岩性圈闭预测 |
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| 引用本文： | 刘群明,王烽,梁涛,王键.三湖坳陷北斜坡区岩性圈闭预测[J].西安石油大学学报(自然科学版),2011,26(6). |
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| 作者姓名： | 刘群明 王烽 梁涛 王键 |
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| 作者单位： | 1. 中国石油勘探开发研究院,北京,100083
2. 中国石化石油勘探开发研究院,北京,100083 |
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| 摘 要： | 岩性圈闭作为三湖坳陷北斜坡区下一步天然气勘探的主要目标,能否有效识别并预测岩性圈闭成为制约气田下一步增产上储的关键.从区域地质背景和现今气田勘探生产概况入手,首先明确了岩性圈闭纵向发育的主要标准层位为K9—K13,进而分析了工区K9—K13层序地层及沉积微相发育特征,其中K9—K13包含2个水进体系域(K9—K10、K11—K13)和一个高位体系域(K10—K11),砂体沉积微相类型以滩砂为主,最后通过层序地层理论指导下的井间精细砂体对比,并结合K13构造等深图,确定了岩性圈闭纵向主要发育在K9与K11最大洪泛面附近,平面上主要分布在台东、涩东和驼西3个鼻隆区以及驼南、涩南和盐西3个斜坡区.
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| 关 键 词： | 岩性圈闭 三湖坳陷 北斜坡 砂体对比 最大洪泛面 |
Prediction of lithologic trap in the northern slope of Sanhu Depression |
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| LIU Qun-ming,WANG Feng,LIANG-tao,WANG-jian.Prediction of lithologic trap in the northern slope of Sanhu Depression[J].Journal of Xian Shiyou University,2011,26(6). |
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| Authors: | LIU Qun-ming WANG Feng LIANG-tao WANG-jian |
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| Institution: | LIU Qun-ming1,WANG Feng2,LIANG-tao1,WANG-jian1(1.Research Institute of Petroleum Exploration and Development,PetroChina,Beijing 100083,China,2.Research Institute of Petroleum Exploration and Development,Sinopec,China) |
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| Abstract: | Lithologic trap is the main object of the further natural gas exploration in the northern slope area of Sanhu Depression,and therefore the effective prediction of lithologic trap is the key to the increase of gas-field reserve.By analyzing the regional geologic background and the current gas-field production status,it is held that lithologic trap mainly develops between log marker K9 and K13 in vertical direction.Based on the analysis of sequence stratigraphy and sedimentary microfacies characteristics of l... |
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| Keywords: | lithologic trap Sanhu Depression northern slope area sandbody correlation maximum flooding surface |
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