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The AAPG/Datapages Combined Publications Database
Showing 11,036 Results. Searched 200,293 documents.
A new reverse time migration denoising method based on diffusion filtering with X-shaped denoising operator
Chongpeng Huang, Yingming Qu, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... generates strong low-frequency noise. Generally, the Laplace filtering method is performed directly on the migration data to attenuate low-frequency noise...
2022
A method of relative impedance holography-inversion based on reflection coefficient inversion
Jiangfeng Zheng, Jialin Sun, Zongyu Zhen, Shaoxuan Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... impedance of formation by trace integration of reflection coefficient. Then usually the low frequency trend filtering is used to calculate relative impedance...
2022
Mini Seismic Processing System for Training and Research Purposes
Suprajitno Munadi, Bambang Triharjanto
Indonesian Petroleum Association
.... The trainee can observe the frequencies contained in the data. This analysis can be extended to digital frequency filtering exercise. Figure 8. An example...
1993
Practical considerations for computing the kernels of reflection-based full-waveform inversion
Houzhu (James) Zhang, Hong Liang, Hongwei Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... on the conditioning of time-shifts from dynamic warping, preparation of Born velocity perturbation, approximation of Hessian and filtering of frequency components...
2022
Wide-Band Velocity Filtering--The Pie Slice Process: ABSTRACT
Peter Embree, John P. Burg, Milo M. Backus
AAPG Bulletin
...Wide-Band Velocity Filtering--The Pie Slice Process: ABSTRACT Peter Embree, John P. Burg, Milo M. Backus 1963 1769 1769 47 9. (September...
1963
A statistical method-based approach for frequency-varying residual phase detection and correction
Longxiang Han, Rongwei Xu, Chengliang Wu, Huazhong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... multiresolution Gauss filtering methods to achieve frequency constraint in order to reduce the noise impact on the phase. Then, the wavelet spectrum...
2024
Structural subdivision of channel sand bodies based on frequency division coherence and attribute fusion
Qian Yu, Jianli Wang, Huajing Chen, Heng Zhang, Lien Bian
International Meeting for Applied Geoscience and Energy (IMAGE)
... faults and channel boundaries by means of structural-steering filtering technology based on dip-control and frequency-division coherent technology...
2022
Seismic Resolution: a Key Element, Robert E. Sheriff, #40036
Search and Discovery.com
N/A
The Renaissance of Gravity, B.S. Anderson, M.E. Weber, J.E. Bain #40035
Search and Discovery.com
N/A
Workflows to Improve the Resolution of Post-Stack Seismic Data and Attributes from the Malay Basin (Paper P31)
A. E. Barnes, M. F. A. Rahim, A. R. Ghazali
Geological Society of Malaysia (GSM)
... processing are spectral blueing and coherency filtering. Spectral blueing increases seismic data resolution by increasing the bandwidth and boosting...
2012
Application of high-resolution reflection seismology to eastern Kansas cyclothems
Ralph W. Knapp
Kansas Geological Society
... by frequency, for practical purposes and assuming good quality work, resolution is proportional to frequency. Detection In the process of attempting...
1989
Data-driven near-surface Q compensation: A case study in Sichuan Basin of China
Xinyuan Feng, Yulian Zhao, Mingtu Xiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... a method that is suitable for all situations in practical application. The centroid frequency shift method, based on prestack seismic data, is a good...
2024
Quality Control and Integration of Multi-Source Seismic Data Using Geostatistics
Search and Discovery.com
N/A
Steps for Improving the Utility of Land Seismic Data for Unconventional Reservoirs
Christof Stork
Unconventional Resources Technology Conference (URTEC)
... filtering approach. This frequency editing approach can be incorporated as part of 5D interpolation. Pre-stack attributes rely on the noisy “edge...
2018
Causes and Appearance of Noise in Seismic Data Volumes, by Satinder Chopra and Kurt J. Marfurt; #41476 (2014).
Search and Discovery.com
2014
Abstract: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)
Peter Cary and Changjun Zhang
Search and Discovery.com
... based on the characteristics of the noise. Ground roll appears as low-velocity, low-frequency and high-amplitude waves which are distributed in fan...
2013
Abstract: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)
Peter Cary and Changjun Zhang
Search and Discovery.com
... based on the characteristics of the noise. Ground roll appears as low-velocity, low-frequency and high-amplitude waves which are distributed in fan...
2013
Extending the Resolution of Seismic Reflection Exploration
L. R. Denham
Pacific Section of AAPG
... roll by velocity filtering is used. Realistic values for frequency, depth and dip of reflections will usually give a minimum number of groups around 100...
1980
Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).
Yong Xu, Satinder Chopra
Search and Discovery.com
... frequency signal left after filtering and NMO correction. The lost high frequency components at far offset can be estimated from near offset data, where...
2015
Field Technique Design for Seismic Reflection Exploration
L. R. Denham
Dallas Geological Society
... be required. Otherwise, the geophone frequency should be as low as practical to retain bandwidth in the octave sense. Manufacturers have found...
1982
Corrected Record Sections
Ernest M. Hall Jr.
CSPG Special Publications
... of Fig. 4 show the effect of filtering. Both were played back from the same tape, the first through a high frequency filter and the second through a low...
1957
Spatial Analysis of Basement and Cover Linears by Optical Diffraction - Methods, Results, and Interpretation
Howard J. Pincus, Thomas W. Doe
Utah Geological Association
... quantitatively. Filtering may assist in examining relatively obscure linears. Relations between spatial frequency and direction might be important...
1974
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
...). Filtering in Frequency Domain Ideal or linear filters change the amplitudes and phases of the component sinusoids of a waveform without adding any...
1969
DAS noise attenuation using wavelet stack
Zhou Yu, Zhaojun Liu, Ge Zhan, Peng Cheng, Bin Wang, Weihong Fei
International Meeting for Applied Geoscience and Energy (IMAGE)
... based filtering targets low frequency, outlier amplitude noise which could degrade the effectiveness of 2D filtering. An ideal noise attenuation technique...
2022