Journal : Acta Geophysica
Article : Reef Reservoir Identification by Wavelet Decomposition and Reconstruction: A Case Study from Yuanba Gas Field in China

Authors :
Białecki, M.
Institute of Geophysics, Polish Academy of Sciences, Warszawa, Poland, bialecki@igf.edu.pl,
Bevis, M.
School of Earth Sciences, Ohio State University, Columbus, Ohio, USA, mbevis@osu.edu,
Pan, E.
Department of Civil Engineering, University of Akron, Akron, Ohio, USA,
Zhou, H.
School of Earth Sciences, Ohio State University, Columbus, Ohio, USA,
Han, F.
Department of Civil Engineering, University of Akron, Akron, Ohio, USA,
Zhu, R.
Department of Civil Engineering, University of Akron, Akron, Ohio, USA,
Sun, Q.
School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, China, sunqiang04@126.com,
Xue, L.
Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China,
Zhu, S.
School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, China,
Hekmatian, M. E.
Faculty of Basic Sciences of Science and Research Branch, Islamic Azad University, Tehran, Iran; Nuclear Fuel Cycle Research School of Nuclear Science and Technology Research Institute (NSTRI), Tehran, Iran, mhekmatian@aeoi.org.ir,
Ardestani, V. E.
Institute of Geophysics, University of Tehran, Tehran, Iran, ebrahimz@ut.ac.ir,
Riahi, M. A.
Institute of Geophysics, University of Tehran, Tehran, Iran, mariahi@ut.ac.ir,
Bagh, A. M. K.
Nuclear Fuel Cycle Research School of Nuclear Science and Technology Research Institute (NSTRI), Tehran, Iran; Faculty of Engineering of South Tehran Branch, Islamic Azad University, Tehran, Iran, amemar@aeoi.org.ir,
Amini, J.
Faculty of Engineering, University of Tehran, Tehran, Iran, jamini@ut.ac.ir,
Cheng, B.
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, China / Key Laboratory of Earth Exploration and Information Technology of Ministry of Education, Chengdu University of Technology, Chengdu, China / Meteorological Information and Signal Processing / Key Laboratory of Sichuan Higher Education Institutes, Chengdu University of Information Technology, Chengdu, China, chengbingjie09@cdut.cn,
Xu, T.
3rd Geophysical Institute, Exploration and Production Institute, Southwest Oil and Gas Company, SINOPEC, Chengdu, China,
Robbins, B.
Fugro Aperio, Fugro Onshore Geotechnics, Wallingford, Oxfordshire, UK,
Shen, Z. M.
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, China,
Abstract : The organic reef is a special type of carbonate reservoir which always dominates the spatial distribution, reserves and accumulations of natural gas. However, it is difficult to determine the organic reef’s internal structure and gas reservoirs due to numerous adverse factors such as the low resolution of seismic data, depth of burial, strong anisotropy, irregular spatial distribution and complex internal structure. A case study of wavelet decomposition and reconstruction technology applied to elucidate the features of organic reef reservoirs in the Changxing formation from Yuanba gas field shows that the seismic record reconstructed by high frequency signal can adequately describe the internal properties of organic reef reservoirs. Furthermore, the root mean square amplitude ratio of both low and high frequency data obtained from the reconstructed seismic data clearly show spatial distribution of gas and water in reef reservoirs.

Keywords : seismic signal, organic reef, wavelet decomposition and reconstruction, hydrocarbon detection, reef reservoir identification,
Publishing house : Instytut Geofizyki PAN
Publication date : 2015
Number : Vol. 63, no. 4
Page : 1025 – 1043

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DOI :
Qute : Białecki, M. ,Bevis, M. ,Pan, E. ,Zhou, H. ,Han, F. ,Zhu, R. ,Sun, Q. ,Xue, L. ,Zhu, S. ,Hekmatian, M. E. ,Ardestani, V. E. ,Riahi, M. A. ,Bagh, A. M. K. ,Amini, J. ,Cheng, B. ,Xu, T. ,Robbins, B. ,Shen, Z. M. ,Shen, Z. M. , Reef Reservoir Identification by Wavelet Decomposition and Reconstruction: A Case Study from Yuanba Gas Field in China. Acta Geophysica Vol. 63, no. 4/2015
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