3D Seismic Inversion and Reservoir Prediction in Complex Fault-Block Areas in Eastern China

Xinjiang Petroleum Geology ›› 2006, Vol. 27 ›› Issue (2): 184-187.

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3D Seismic Inversion and Reservoir Prediction in Complex Fault-Block Areas in Eastern China

NIAN Jing-bo¹, ZHANG Er-hua^2,3, LIU Xi-wu¹, LIU Yong-sheng³

1. Institute of Marine Geosciences, China University of Oceanography, Qingdao, Shandong 266003, China;
2. Institute of Information Engineering, Chengdu University of Technology, Chengdu, Sichuan 610059, China;
3. Research Institute of Exploration and Development, Daqing Oilfield Company Ltd, PetroChina, Daqing, Heilongjiang 163712, China

Received:2005-05-30 Revised:2005-05-30 Online:2006-04-01 Published:2020-10-30

Abstract

Abstract: The seismic inversion and reservoir prediction in complex fault-block areas are hard to make due to complicated geologic conditions and poor quality of seismic data. This paper presents the case of 3D seismic inversion and reservoir prediction of a complex fault-block area in eastern China and reviews the inversion experiences. The practical strategy and technical scheme are elaborated, including data analysis and processing (e.g. judgment of seismic event polarity, regularization of well logs and sensitivity analysis, etc.), wavelet extraction, reconstruction of pseudo-sonic logs, constrained impedance inversion, velocity field establishment and stochastic simulation of geo-statistics, etc. as a model of multi-discipline integration. The study results can be as an important basis for well deployment in the working area. Other similar areas may take them as an example for reference.

Key words: fault block, 3D seismic interpretation, wavelet, wave impedance, velocity field distribution

CLC Number:

P631.445

NIAN Jing-bo, ZHANG Er-hua, LIU Xi-wu, LIU Yong-sheng. 3D Seismic Inversion and Reservoir Prediction in Complex Fault-Block Areas in Eastern China[J]. Xinjiang Petroleum Geology, 2006, 27(2): 184-187.

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3D Seismic Inversion and Reservoir Prediction in Complex Fault-Block Areas in Eastern China

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