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The AAPG/Datapages Combined Publications Database
Showing 1,537 Results. Searched 200,293 documents.
An anti-aliasing plane wave decomposition method based on local linear Radon transform
Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the frequency domain, where local data is transformed into the f-x domain through Fourier transform, and the model is solved using the conjugate gradient method...
2024
Bi-directional LSTM-based non-causal deconvolution
G. Roncoroni, I. Deiana, E. Forte, M. Pipan
International Meeting for Applied Geoscience and Energy (IMAGE)
... as: where X is the reference output, Y is the NN prediction and ̂ R(X) and R(Ŷ) are the real parts of their Fourier transforms, respectively; ...
2024
A Strategy to Achieve 1 MMbopd National Oil Production Target By Implementation of Artificial Intelligence Algorithm to Accelerate The Exploration Process
Afaf Qurrotu Ainin, Inggit Auliyya Addinie, M. Naufal Purbo Kumoro, Ardian Nengkoda
Indonesian Petroleum Association
... algebra, optimization, integration, fast Fourier transforms, and other such algorithms. The same story applies to many companies and national laboratories...
2022
First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology
Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda
Indonesian Petroleum Association
...). The MDF is part of the F-K dip filter, which uses a 2D Fourier transform to remove certain types of correlated noise recorded with different dips...
2023
Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)
Sergey Fomel
Search and Discovery.com
... components. The classic Fourier transform, Radon transform (Gardner and Lu, 1991), wavelet transform (Mallat, 2009), curvelet frame (Herrmann...
2014
Abstract: Interpolation Artifacts and Bidimensional Ensemble Empirical Mode Decomposition; #90224 (2015)
Jiajun Han and Mirko van der Baan
Search and Discovery.com
... tools, such as short time Fourier and wavelet transforms (Han and Van der Baan, 2013). Furthermore, Bekara & Van der Baan (2009) utilize EMD in frequency...
2015
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
... migration, the temporal Fourier transform is applied to the input seismic data to transform to the frequency domain. Then the spatial Fourier...
Unknown
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
... migration, the temporal Fourier transform is applied to the input seismic data to transform to the frequency domain. Then the spatial Fourier...
Unknown
Microseismic imaging with three-component borehole sensors
Jakob B. U. Haldorsen
International Meeting for Applied Geoscience and Energy (IMAGE)
... larger than half the wavelength of any given signal in that waveform. These ambiguities come about when one uses the Fourier transform to expand a wavefield...
2022
Optimum Deconvolution for Seismic Inversion Purposes
M. Suprajitno, L. Nutt, P. Busono
Southeast Asia Petroleum Exploration Society (SEAPEX)
... be the spiking filter which contracts xk into a desired output dk. The desired output can be a spike which has zero delay, one unit delay or two unit delays...
1988
Some Inference Problems in Paleocurrent Studies
David J. Sanderson
Journal of Sedimentary Research (SEPM)
... random unit vectors. Ann. Math. Statist., v. 26, p. 233-46. GUMBEL, E. J., GREENWOOD, J. A., AND DURAND, D., 1953, The circular normal distribution...
1973
ABSTRACT: THE VARIATION OF ORGANIC MATTER IN THE WEATHERING OF COAL GANGUE AND PROCESS SOIL FORMING
Juan-juan Li, Yuegang Tang, Jintao Ma, Xiaole Shi
The Society for Organic Petrology (TSOP)
... analysis, Fourier transform infrared spectroscopy and cross-polarization with magic angle spinning 13 C nuclear magnetic resonance (CP-MAS 13C NMR...
2006
The Effects of Fluvial Abrasion on the Shapes of Quartz Sand Grains
Mark Peterson , Jim Mazzullo
GCAGS Transactions
... with the Fourier technique and examined with the scanning electron microscope. The Fourier technique shows that there are no significant changes in the shapes...
1987
Abstract: Quantitative Paleobathymetry Using Geochemistry and Shape Analysis of Benthic Foraminifera, Offshore Gulf of Mexico
Douglas F. Williams , Anthony C. Gary , Nancy Healy-Williams
GCAGS Transactions
... foraminifera using fourier series analysis have shown that many taxa exhibit shape changes which are also correlatable to known environmental variables...
1988
ABSTRACT: Morphometric Analysis of Sphaeroidinellopsis: New Biostratigraphic Information from Gradually Evolving Lineages, by A. C. Gary, N. Healy-Williams, and D. F. Williams; #91043 (2011)
Search and Discovery.com
2011
Grain Size-Frequency Distributions from Thin-Section Data: NOTES
N. H. Gray
Journal of Sedimentary Research (SEPM)
... Crofts, N.Y. 549 p. STOKES, A. R., 1948. A numerical Fourier-analysis method for the correction of widths and shapes of lines on X-ray powder photographs...
1969
ABSTRACT: Avoiding Pitfalls When Mapping with Personal Computers, by Joseph E. Robinson and Paul D. Willette; #91022 (1989)
Search and Discovery.com
1989
ABSTRACT: Avoiding Pitfalls When Mapping with Personal Computers, by Joseph E. Robinson and Paul D. Willette; #91025 (2010)
Search and Discovery.com
2010
POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data
Elwyn J. Galloway
Search and Discovery.com
... is the fourier transform operator, T k is a threshold operator, and B is a band-limiting operator. The threshold operator acts to remove any points below...
Unknown
Decoding Molecular Geochemistry of Kerogen From Marcellus Shale
Search and Discovery.com
N/A
POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data
Elwyn J. Galloway
Search and Discovery.com
... is the fourier transform operator, T k is a threshold operator, and B is a band-limiting operator. The threshold operator acts to remove any points below...
Unknown
Abstract: Making FX Interpolation More Robust by Spectrum-guided Reconstruction; #90171 (2013)
Mostafa Naghizadeh and Mauricio Sacchi
Search and Discovery.com
... is a combination of a Fourier reconstruction method (Sacchi and Liu, 2004) and f-x interpolation (Spitz, 1991). MSAR can be summarized as follows: 1) The low...
2013
Abstract: Characterizing Spatial Deformation Patterns in a Laramide Rocky Mountain Basin; #90301 (2017)
Cody W. Bomberger, Brianna Berg, Jenica Andersen, Michael H. Hofmann
Search and Discovery.com
... that are important to hydrocarbon exploration. Using techniques from Fourier analysis, expanded into two dimensions, we identify characteristic scales of structural...
2017
Exploration and Detection of Subsurface Water Using Broadband Electromagnetic Sensors
T. David McGlone
Environmental Geosciences (DEG)
... at the leading edges, providing a pseudo-impulse source function superimposed on the primary square-wave component. The source did not provide...
1998
Reflectance spectroscopic mapping of diagenetic heterogeneities and fluid-flow pathways in the Jurassic Navajo Sandstone
Brenda Beitler Bowen, Brigette A. Martini, Marjorie A. Chan, William T. Parry
AAPG Bulletin
... in the WyomingUtah thrust belt, where the Nugget Sandstone, the northward correlative unit of the Navajo Sandstone, has produced more than 288 MMBO and 5.1...
2007