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The AAPG/Datapages Combined Publications Database
Showing 734 Results. Searched 200,357 documents.
Turbidite Structures from Barakar Rocks of Ramgarh Coal-field, Bihar, India: NOTES
D. P. Sen
Journal of Sedimentary Research (SEPM)
... with silty bands. FIG. 7. [Grey Scale] A transverse section showing more complex convolution with digitations protruding out from sandy bands...
1967
Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin
Jo Firth, Mark Stanley
Petroleum Exploration Society of Australia (PESA)
... demultiple (SWD) was used to build a model of the water layer multiples using convolution (Yang, 2013). Model-based water layer demultiple (MWD) (Wang et...
2016
ABSTRACT: Rejuvenation of a Mature Field Through Application of a Unique Frequency Enhancement Technology; #90007 (2002)
Marcus L. Countiss
Search and Discovery.com
...” to be convolved with the band-limited embedded wavelet through the process of polynomial multiplication (one sided convolution). The new method used...
Unknown
Abstract: Short-time Wavelet Estimation in the Homomorphic Domain; #90174 (2014)
Roberto H. Herrera and Mirko van der Baan
Search and Discovery.com
...(t), (1) where r(t) is the reflectivity, w(t) is stationary the wavelet, ⋆ stands for the convolution operator and s(t) is the seismic trace...
2014
Abstract: Estimation of Q: a Comparison of Different Computational Methods; #90187 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... (t) ∗ I(Q, t) − µw2 (t)‖2, where ∗ denotes convolution, the minimization is taken over the range of possible Q values; I(Q, t) is the impulse...
2014
Abstracts: Revisiting Homomorphic Wavelet Estimation and Phase Unwrapping; #90173 (2015)
Roberto H. Herrera and Mirko van der Baan
Search and Discovery.com
... given as a convolution between the propagating wavelet and the reflectivity series of the earth and normally it is assumed that a white noise is added...
2015
Spectral Balancing of Seismic Data Using Spectral Decomposition; #41976 (2017)
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
... coefficients as a convolution along the scales used in the transformation plus an integration along time. In addition to magnitude and phase, one can readily...
2017
AAPG Archie Series, No. 1, Chapter 13: Summary and Recommendations
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
..., log convolution modeling should also be considered to improve the resolution of lithology and porosity logs [Chapter 11]. A low-resistivity...
2006
Bridging the Gap Between Reservoir and Seismic
Mike Branston
GEO ExPro Magazine
... is a generalized 3D convolution technique which enables the user to predict 2D and 3D illumination and resolution effects in prestack acquisition. Innovative...
2007
Deterministic and Statistical Wavelet Processing
Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
...Deterministic and Statistical Wavelet Processing Lee Lu 1980 31 41 Wavelet processing techniques are based on the convolution model for a seismic...
1980
Self-supervised learning for seismic swell noise removal
Yuan Zi, Shirui Wang, Pengyu Yuan, Xuqing Wu, Jiefu Chen, Zhu Han
International Meeting for Applied Geoscience and Energy (IMAGE)
...y. In design, the blind-trace network changes the convolution layers and downsampling layers to restrict the receptive field covering regions only upward...
2022
Subsurface uncertainty quantification with deep geologic priors: A variational Bayesian framework
Ashutosh Tewari, Brent Wheelock, Jacob Clark, Dallas Foster, Matthew Li, Youssef Marzouk
International Meeting for Applied Geoscience and Energy (IMAGE)
... convolution architecture; a rough sketch of which is shown in Figure 2. Sparing the details of VAE learning, we just rationalize our choice for the encoding...
2022
A method to identify subtle carbonate reservoirs
Shaoying Chang, Mengxiu Wang, Kaiyuan Ji
International Meeting for Applied Geoscience and Energy (IMAGE)
... obtained from the carbonate reservoirs but it is worth applying for other convolution of the model (figure 1a) with 35HZ ricker reservoirs. wavelet...
2022
Marchenko redatuming and seismic interferometry based internal multiple prediction for salt structures
Zhiwei Gu, Jianhua Geng, Ru-Shan Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of channels involved in subtraction, and indicates convolution. More precisely, R 0 (t ) stands for the original dataset which contains the primaries...
2023
ABSTRACT: 3D MODELS OF PALYNOFACIES OF COAL USING DIGITAL HOLOGRAPHY MICROSCOPY
Alejandro Restrepo, Jorge Herrera, Román Castañeda, Christopher Mann, Myung Kim
The Society for Organic Petrology (TSOP)
... with reconstruction by convolution Opt. Eng. 41(8) 1829–1839, August 2002. aG f k b g l c h m d i n e j o Figure 1. a) transmission hologram...
2006
Geological Society of Malaysia Newsletter Number 51 (October-November 1974)
T. T. Khoo editor
Geological Society of Malaysia (GSM)
...' and" suggest'interrl.H 'convolution •• ~ , , . C~Qss ~~c'tions. :shQ~ Iess than _2':':cm wide ~lay~ironstone 'rims~ 'Str~kii!g+y. si~:tar structures...
1974
Landsat 5 Thematic Mapper Image of the Marathon Mountains
R. L. Borger
West Texas Geological Society
... of the major processing techniques, the data can be contrast adjusted (linear, logarithmic, exponential, gaussian), filtered (convolution, Fourier...
1990
A new perspective of surface consistent deconvolution
Dongliang Zhang, Mohammed Almubarak, Constantinos Tsingas
International Meeting for Applied Geoscience and Energy (IMAGE)
... In conventional surface-consistent processing, the recorded trace can be decomposed into four convolution factors in the frequency domain: the source, receiver...
2024
Least-squares migration utilizing high-resolution point spread functions generated from local angle domain illumination vectors
Matan Shustak, Orly Kletenik-Edelman, Ronit Levy, Zvi Koren
International Meeting for Applied Geoscience and Energy (IMAGE)
...-defined, the convolution process can be reliably inverted (deconvolved) to achieve high-resolution images. The LAD-based imaging system is based...
2024
Convolute Lamination, its Origin, Preservation, and Directional Significance
Stanislaw Dzulynski, Alec J. Smith
Journal of Sedimentary Research (SEPM)
...------------------------ Near the bottom surface of the convolution the laminae follow a simple pattern of gentle undulations. If associated with ripples...
1963
Sequence-to-Sequence (Seq2Seq) Long Short-Term Memory (LSTM) for Oil Production Forecast of Shale Reservoirs
Cristhian Aranguren, Alfonso Fragoso, Roberto Aguilera
Unconventional Resources Technology Conference (URTEC)
...), and Convolution Neural Networks (CNN), they share the same objective of serving as function approximators which seek to find the right set...
2022
So-called Turbidite Structures: NOTES
Ph. H. Kuenen
Journal of Sedimentary Research (SEPM)
... are valuable because his fluviatile deposits again show how careful one must be in this respect. CONVOLUTION Sen's description of convolute structures...
1968
Demultiple of High Resolution P-Cable Data in the Norwegian Barents Sea An Iterative Approach
A.J. Hardwick, S. Jansen, B. Kjolhamar
Petroleum Exploration Society of Australia (PESA)
... multiple mo convolution of the LS adapted result from with itself (Fig. 4(d)). Source-receiver offsets due to the catenary, irrespective of cable have...
2017
SoundBal: Two-Phase Production Logging by Integrating Mass Balance and DAS-Based Speed of Sound
Peyman Moradi
Unconventional Resources Technology Conference (URTEC)
...-based spectral analysis or phase-weighted convolution analysis. The former transforms data into the frequency domain, while the latter operates...
2025
Extended Abstract: Detailed Interpretation of a Channel System Using Geological Expression Workflows: A Case Study from the Taranaki Basin, New Zealand
Hugo M. P. Garcia, Tom Wooltorton
GCAGS Transactions
... to produce the RGB blend (Fig. 2). The SDFD was created using a convolution of fixed bandwidth Gabor wavelets centered at different frequencies. It is quick...
2014