LAPSE:2023.31041
Published Article
LAPSE:2023.31041
Application of Seismic Waveform Indicator Inversion in the Depth Domain: A Case Study of Pre-Salt Thin Carbonate Reservoir Prediction
Jinjin Hao, Shiguo Wu, Jinxiu Yang, Yajun Zhang, Xuemei Sha
April 17, 2023
Prestack depth-migrated seismic data, having more accurate imaging position and amplitude fidelity than prestack time-migrated seismic data, are supposed to produce a higher quality reservoir prediction result by using depth-domain inversion. Some researchers have developed different methods of depth-domain seismic inversion. However, it has not been widely used in the industry probably because of two reasons: (1) it is a complex process to conduct depth-domain seismic inversion due to the nonstationary depth-domain seismic wavelet; and (2) time-domain seismic inversion is considered capable of solving the problem with less cost, both in regard to time and the economy. In this paper, we try to use the seismic waveform indicator inversion method in the depth domain. First, a forward model was built to demonstrate that seismic waveforms both in the time domain and the depth domain are highly correlated with lithologic associations. Second, a quantitative evaluation method of seismic data for reservoir prediction was proposed, which can help geophysicists estimate time-domain and depth-domain inversion effects before inversion. Finally, the seismic waveform indicator inversion method was implemented for presalt thin carbonate reservoir prediction in the Central Block at the eastern margin of the Pre-Caspian Basin. The depth-domain inversion result shows a relatively true structure and higher resolution validated by wells.
Keywords
depth-domain seismic inversion, Pre-Caspian basin, seismic waveform
Subject
Suggested Citation
Hao J, Wu S, Yang J, Zhang Y, Sha X. Application of Seismic Waveform Indicator Inversion in the Depth Domain: A Case Study of Pre-Salt Thin Carbonate Reservoir Prediction. (2023). LAPSE:2023.31041
Author Affiliations
Hao J: Research Institute of Petroleum Exploration and Development-Northwest, PetroChina, Lanzhou 730020, China
Wu S: Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China
Yang J: School of Geosciences, China University of Petroleum (East China), Qingdao 266580, China
Zhang Y: Research Institute of Petroleum Exploration and Development-Northwest, PetroChina, Lanzhou 730020, China
Sha X: Research Institute of Petroleum Exploration and Development-Northwest, PetroChina, Lanzhou 730020, China
Journal Name
Energies
Volume
16
Issue
7
First Page
3073
Year
2023
Publication Date
2023-03-28
Published Version
ISSN
1996-1073
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Original Submission
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PII: en16073073, Publication Type: Journal Article
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LAPSE:2023.31041
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doi:10.3390/en16073073
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Apr 17, 2023
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