用波形分析法预测滨浅湖滩坝砂岩储层: 以东营凹陷西部地区沙-4上亚段为例

王金铎; 许淑梅; 于建国; 韩文功; 崔红庄; 翟玉兰

Volume 33 Issue 5

Sep. 2008

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Article Navigation > Earth Science > 2008 > 33(5): 627-634

WANG Jin-duo, XU Shu-mei, YU Jian-guo, HAN Wen-gong, CUI Hong-zhuang, ZHAI Yu-lan, 2008. Prediction of Beach-bar Sand Reservoirs Using Waveform Analysis: A Case Study on Es4s in the West Area of the Dongying Sag. Earth Science, 33(5): 627-634.

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Prediction of Beach-bar Sand Reservoirs Using Waveform Analysis: A Case Study on Es4s in the West Area of the Dongying Sag

1.
School of Earth and Space Sciences, Peking University, Beijing 100871, China
2.
Geophysics Research Institute, Shengli Oilfield Company Ltd., Dongying 257001, China
3.
College of Marine Geo-science, Ocean University of China, Qingdao 266100, China
4.
Shengli Oilfield Company Ltd., Dongying 257000, China

Received Date: 2008-03-28
Publish Date: 2008-09-25

Abstract

Abstract

Beach-bar reservoirs are characterized by sand-mud interlayering, thin sand strata, and high seismic velocity of carbonate interbeds, which increases the difficulty of seismic interpretation and reservoir prediction. Based on the lithologic combination of the beach-bar sand of Es4s in the western Dongying sag, seismic "waveform" analysis was applied to its reservoir prediction. Firstly, we defined three dominate types of the waveform of the beach-bar sand and established the actual seismic forward models for different lithological combinations of beach bar reservoir. Then, by studying actual seismic forward model, the waveform characters of different lithologic combinations were analyzed. Relationships between the waveform modes and the different lithologic combinations were generalized as well. In the end, the seismic waveforms were classified by restriction of logging data, and the scope of beneficial beach-bar reservoir was defined.
- beach-bar sand,
- waveform characteristic,
- seismic forward modeling,
- west area of the Dongying Sag,
- Es4s

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References(30)

References

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Prediction of Beach-bar Sand Reservoirs Using Waveform Analysis: A Case Study on Es4s in the West Area of the Dongying Sag

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