| 柴达木盆地三湖地区天然气地震预测关键技术及应用 |
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| 引用本文： | 王西文,陈志勇,苏明军,冯云发,陈启林,刘志强,徐尚成,王海.柴达木盆地三湖地区天然气地震预测关键技术及应用[J].地球物理学进展,2009,24(3):921-935. |
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| 作者姓名： | 王西文 陈志勇 苏明军 冯云发 陈启林 刘志强 徐尚成 王海 |
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| 作者单位： | 1. 中国石油勘探开发研究院西北分院,兰州,730020
2. 中国石油青海油田分公司,敦煌,736202 |
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| 摘 要： | 针对柴迭木盆地三湖生物天然气预测,提出了地震预测方法的三项关键技术:地震资料处理中的静校正技术(初至波折射静校正技术);地震叠后预测技术(包括如下5项内容:共偏移距扫描;频率扫描;速度谱剖面分析;反射同相轴下拉量分析;烃类检测);地震叠前预测技术(包括如下2项内容:不同偏移距叠加剖面分析;叠前反演分析).在三湖北斜坡地区应用这三项关键技术,发现了台东2号舍气异常,成功钻探了台东2井.
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| 关 键 词： | 三湖地区 气藏 静校正技术 叠后预测技术 叠前预测技术 台东2井 |
| 收稿时间： | 2008-10-12 |
| 修稿时间： | 2008-12-22 |
Key techniques of predicting gas reservoirs in the San Hu area of the Qaidam basin and their applications |
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| WANG Xi-wen,CHEN Zhi-yong,SU Ming-jun,FENG Yun-fa,CHEN Qi-lin,LIU Zhi-qiang,XU Shang-cheng,WANG Hai.Key techniques of predicting gas reservoirs in the San Hu area of the Qaidam basin and their applications[J].Progress in Geophysics,2009,24(3):921-935. |
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| Authors: | WANG Xi-wen CHEN Zhi-yong SU Ming-jun FENG Yun-fa CHEN Qi-lin LIU Zhi-qiang XU Shang-cheng WANG Hai |
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| Abstract: | In order to predict gas reservoirs in the San Hu area of the Qaidam basin,three key techniques for seismic predicting gas reservoir are put forward in this paper. They are the static correction technique(refraction static technique in limitation of tomographic inversion statics ), technique of poststack seismic predicting gas reservoirs(there are five important points: offset scanning, frequency scanning, velocity spectrum profile analysis, pulling event down of seismic event analysis from shallow to deep layer caused from Low-velocity anomaly of shallow layer, predicting hydrocarbon) ,and the technique of prestack seismic predicting gas reservoirs(there are two important points :analyzing poststack profile of different offset distance; prestack seismic inversion and analysis).Based on the three key techniques for seismic predicting gas reservoirs, Tai Dong No.2 area is found successfully in the San Hu area ,and Tai Dong No.2 well was drilled successfully which proved that the three key techniques of predicting gas reservoir are right. |
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| Keywords: | San Hu area gas reservoir echnique of statics technique of poststack seismic predicting gas reservoir technique of prestack seismic predicting gas reservoir Tai Dong No 2 well |
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