APPLICATION OF PRESTACK SIMULTANEOUS INVERSION TO MESOZOIC RESERVOIR PREDICTION IN THE NORTH YELLOW SEA BASIN

LIU Jinping; WANG Liaoliang; JIAN Xiaoling; WAN Xiaoming; ZHAO Ran; CHENG Gu

doi:10.16562/j.cnki.0256-1492.2015.04.015

Marine Geology & Quaternary Geology > 2015 > 35(4): 141-148. > DOI: 10.16562/j.cnki.0256-1492.2015.04.015

LIU Jinping, WANG Liaoliang, JIAN Xiaoling, WAN Xiaoming, ZHAO Ran, CHENG Gu. APPLICATION OF PRESTACK SIMULTANEOUS INVERSION TO MESOZOIC RESERVOIR PREDICTION IN THE NORTH YELLOW SEA BASIN[J]. Marine Geology & Quaternary Geology, 2015, 35(4): 141-148. DOI: 10.16562/j.cnki.0256-1492.2015.04.015

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APPLICATION OF PRESTACK SIMULTANEOUS INVERSION TO MESOZOIC RESERVOIR PREDICTION IN THE NORTH YELLOW SEA BASIN

1. Key Laboratory of Marine Mineral Resources, MLR, Guangzhou Marine Geological Survey, Guangzhou 510075;
2. Drilling Division, CNPC Offshore Engineering Co., Ltd, Tianjin 300200;
3. Department of Earth Sciences, Sun Yat-sen University, Guangzhou 510275

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Received Date: November 20, 2014
Revised Date: March 12, 2015

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Abstract

Abstract

In the North Yellow Sea Basin, the Mesozoic reservoirs are deeply buried and drastic lithological changes occur in both the vertical and lateral directions. The velocity of sandstone is close to that of mudstone there. Therefore, it is difficult to use conventional logs to inverse reservoir characteristics. However, the pressure wave velocity, shear wave velocity and density parameters could be obtained from prestack simultaneous inversion, and then converted them into other sensitive parameters for lithology, porosity and effectively reservoir prediction. In this paper, prestack simultaneous inversion technology was applied to the predication of Mesozoic reservoir in the North Yellow Sea Basin. Sandstone geometry in some important traps is described in details and the good result has been obtained.
- prestack simultaneous inversion,
- rock physical analysis,
- elastic parameters,
- reservoir prediction,
- North Yellow Sea Basin,
- Mesozoic

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References (11)

References

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APPLICATION OF PRESTACK SIMULTANEOUS INVERSION TO MESOZOIC RESERVOIR PREDICTION IN THE NORTH YELLOW SEA BASIN