THE APPLICATION OF SPECTRAL DECOMPOSITION TECHNOLOGY TO THE LOWER CRETACEOUS RESERVOIRS PREDICTION IN EASTERN DEPRESSION OF THE NORTH YELLOW SEA

LIU Jun; WU Shuyu; XIAO Guolin; LUAN Xiwu; ${author.authorNameEn}

doi:10.16562/j.cnki.0256-1492.2015.04.010

2015 Vol. 35, No. 4

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Article navigation > Marine Geology & Quaternary Geology > 2015 > 35(4): 95-103

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LIU Jun, WU Shuyu, XIAO Guolin, LUAN Xiwu, . THE APPLICATION OF SPECTRAL DECOMPOSITION TECHNOLOGY TO THE LOWER CRETACEOUS RESERVOIRS PREDICTION IN EASTERN DEPRESSION OF THE NORTH YELLOW SEA[J]. Marine Geology & Quaternary Geology, 2015, 35(4): 95-103. doi: 10.16562/j.cnki.0256-1492.2015.04.010

Citation:

LIU Jun, WU Shuyu, XIAO Guolin, LUAN Xiwu, . THE APPLICATION OF SPECTRAL DECOMPOSITION TECHNOLOGY TO THE LOWER CRETACEOUS RESERVOIRS PREDICTION IN EASTERN DEPRESSION OF THE NORTH YELLOW SEA[J]. Marine Geology & Quaternary Geology, 2015, 35(4): 95-103. doi: 10.16562/j.cnki.0256-1492.2015.04.010

THE APPLICATION OF SPECTRAL DECOMPOSITION TECHNOLOGY TO THE LOWER CRETACEOUS RESERVOIRS PREDICTION IN EASTERN DEPRESSION OF THE NORTH YELLOW SEA

1. The Key Laboratory of Marine Hydrocarbon Resources and Environment Geology, Ministry of Land and Resource, Qingdao 266071, China;
2. Qingdao Institute of Marine Geology, Qingdao 266071, China;
3. China University of Geosciences, Wuhan 430074, China

Received Date: 09 September 2014

Revised Date: 20 November 2014

Abstract

Abstract

A block in the eastern depression of the north Yellow Sea is selected as the case for application of spectral decomposition techniques to the prediction of lower Cretaceous reservoirs and lithologic traps. The block is developed on the slope of a fan-delta facies. The sandstone reservoirs are thin in thickness and changing greatly in lateral direction. It is difficult to find favorable reservoir traps by conventional seismic attributes and seismic impedance inversion. According to the characteristic of reservoirs in this area, we used the continuous wavelet transform(CWT) method for generating tuning volume and discrete frequency energy volume. Combined with seismic attribute and horizontal slice technology, we made sandbody description and the study of reservoirs lateral variation. The prediction was fit with the actual drilling data, and could be used to delineate the distribution of sandbodies and their sources.
- Eastern Depression /
- Spectral Decomposition /
- Lower Cretaceous /
- Reservoirs /
- The North Yellow Sea

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References

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