| 用评价因子法研究北部湾盆地涠西南凹陷断层封闭性 |
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| 引用本文： | 江东辉,胡芬. 用评价因子法研究北部湾盆地涠西南凹陷断层封闭性[J]. 海洋石油, 2012, 32(1): 7-12 |
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| 作者姓名： | 江东辉 胡芬 |
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| 作者单位： | 中国石油化工股份有限公司上海海洋油气分公司研究院,上海,200120 |
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| 摘 要： | 选取了断层的产状、断层力学性质、断层断面曲率、断面压力、最大主应力与断层走向夹角、断层两盘岩性配置关系和断层沿走向形态等8个评价因子,构建了断层封闭性评价模型。在不同的平面位置、不同的剖面深度半定量评价了研究区与4个主要局部构造相关的9条目标断层现今时期封闭能力。评价结果显示,从断层封闭性角度来优选,W10-1构造和W10-3构造最佳,W9构造中等,W10-2构造次之。
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| 关 键 词： | 涠西南凹陷 断层封闭性 评价因子 |
Research on Sealing Capacity of Faults in Weixinan Sag, Beibuwan Basin based on Evaluation Factors |
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| JIANG Donghui , HU Fen. Research on Sealing Capacity of Faults in Weixinan Sag, Beibuwan Basin based on Evaluation Factors[J]. Offshore Oil, 2012, 32(1): 7-12 |
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| Authors: | JIANG Donghui HU Fen |
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| Affiliation: | (Institute of SINOPEC Shanghai Offshore Oil & Gas Company,Shanghai 200120,China) |
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| Abstract: | Mode of fault occurrence,mechanical property of fault,cross-section curvature of fault,cross-section pressure of fault,the angle between maximum principal stress direction and fault strike,and lithology along the fault are selected to establish analysis model of sealing capacity of faults.Semi-quantitative assessment of sealing capacity of nine faults associated with four local structures is obtained according to different plane location and different depth.Result shows that sealing capacity of W10-1 and W10-3 is the best,W9 is the median,and W10-2 is the worst. |
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| Keywords: | Weixinan Sag sealing capacity of fault evaluation factor |
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