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The AAPG/Datapages Combined Publications Database
Showing 1,541 Results. Searched 200,756 documents.
Modeling of Sandstone Ngrayong Formation Using Digital Image Analysis
Annisa Rachmi Trahwiwit Widijana, Fourier Dzar Eljabbar, Almira Anissofira, Fatkhan, Handoyo
Indonesian Petroleum Association
...Modeling of Sandstone Ngrayong Formation Using Digital Image Analysis Annisa Rachmi Trahwiwit Widijana, Fourier Dzar Eljabbar, Almira Anissofira...
2015
A practical approach to automate end-to-end multi-stage iterative source separation with prior framework using machine learning
Rajiv Kumar, Yousif Izzeldin Kamil Amin, Riccardo Giro, Sunil Manikani, Nam Pham, Massimiliano Vassallo, Phillip Bilsby, Tao Zhao
International Meeting for Applied Geoscience and Energy (IMAGE)
...epresent 𝐲 windowed patches extracted from both the blended and deblended datasets in the Fourier-wavenumber (FK) domain, resp...
2024
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)
... Data-driven Near-surface Q Compensation and Its Application The amplitude spectrum is obtained by Fourier transform of the sampled signal data...
2024
Seismic signal considerations for fast reservoir characterization
Folkert Hindriks
International Meeting for Applied Geoscience and Energy (IMAGE)
.... An intuitive method for integrating a signal is by computing its Fourier transform (DFT), multiplying this by 1/i𝜔, and obtaining the time response...
2024
Abstract: High Resolution 5D Interpolation: Measuring and Compensating for 5D Leakage; #90174 (2014)
Peter Cary and Mike Perz
Search and Discovery.com
... constraint that favours the large “sparse” Fourier coefficients in the construction of traces between existing input traces. MWNI is able to generate...
2014
Abstract: Shear Wave Splitting Parameter Estimation Using a Regular Distribution of Azimuths; #90187 (2014)
A. Stanton and M. D. Sacchi
Search and Discovery.com
... involve developing a vector interpolation method that utilizes exact coordinates (such as the Anti-Leakage Fourier Transform (ALFT)). Acknowledgements...
2014
Abstract: A New Method for Microseismic Event Detection and Automatic Time Picking; #90187 (2014)
Yoones Vaezi and Mirko van der Baan
Search and Discovery.com
... are calculated using Short Time Fourier Transform (STFT). The maximum crosscorrelation values are normalized and then subtracted from 1 so that the highest...
2014
Re-Evaluation of Hydrocarbon Potentials of Eastern Part of the Chad Basin, Nigeria: An Aeromagnetic Approach, #10405 (2012)
Emmanuel Anakwuba, Augustine Chinwuko
Search and Discovery.com
... subjected to Fourier analysis and results show two depth sources in the study area; the shallower sources have a average value of 1.8 km while...
2012
Clay Mineral Distribution in a Modern Sedimentary System, Surface Sediments from Ravenglass Estuary and Beyond; #50684 (2012)
Ehsan Daneshvar
Search and Discovery.com
... hinterland geology (granite and Triassic Sandstones) toward estuarine surface sediments has been undertaken using X-ray diffraction (XRD), fourier...
2012
Wellsite Mineralogical Data Acquisition; Understanding Results From Multiple Analytical Sources; #80478 (2015)
Brian J. Davis, Amber Koch, Gerald Braun, Cassie O'Connor, Elton Frost, Terry Quinn, Chi Vinh Ly, Guy Oliver, Graham Spence, Bill Whatley, Michael Wilson, Neil Cardy
Search and Discovery.com
...), scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS), fourier transform infrared spectroscopy (FTIR), and inductively coupled plasma...
2015
Mixed Siliciclastic-Carbonate System of D Facies in the Bakken Formation, Williston Basin, #80487 (2015).
Dipanwita Nandy, Geraldus Listiono, Stephen A. Sonnenberg, John D. Humphrey
Search and Discovery.com
... the channels. This resulted in cyclic deposition of alternating bands of oolitic grainstone and quartz-rich sandstone. Fast Fourier Transform analysis...
2015
Using Advanced Logging Measurements to Develop a Robust Petrophysical Model for the Bakken Petroleum System, #80534 (2016).
Gary A. Simpson, John Hohman, Iain Pirie, Jack Horkowitz
Search and Discovery.com
... Dipole Sonic © 2015 SPWLA. All Rights Reserved. X-Ray Fluorescence (XRF) Dual-Range Fourier Transform Infrared Spectroscopy (DR-FTIR) Diffuse...
2016
Interpretation and Fracture Characterization of Early Cretaceous Buda Limestone Formation Using Post-Stack 3D Seismic Data in Zavala County, Texas, #11108 (2018).
Andrey Smirnov, Christopher L. Liner
Search and Discovery.com
.... (Workman, 2013). From: Kilcoyne, 2018 Fourier Amplitude Spectrum 'YanJ et 1.0 ., 0.8 51.1Hz ~ 0. ·w a ~ 0.6 0 .. N . ., ~ ~ ~ 0.2 0.0 -0.2...
2018
Cycle Hierarchy and Genetic Stratigraphy of Middle and Upper Pennsylvanian Strata in the Upper Mid-Continent
W. L. Watney, J. A. French, J. H. Doveton, J. C. Youle, W. J. Guy
Tulsa Geological Society
... several lithogenetic units: a basal flooding unit, a condensed section, a late highstand carbonate or siliciclastic unit, and a paleosol. The thin...
1995
Quantitative Investigation of the Water-Sensitivity Damage on Ultra-Low Permeability Reservoir
Jie Li, Bin Tu, Wei Li, Yunan Li
Unconventional Resources Technology Conference (URTEC)
... between NMR signal resonance frequency and location of the nucleus, and then by using technologies such as Fast Fourier transform (FFT) and image...
2019
Mapping of Salt Structures in the Gulf of Mexico Using Marine CSEM
J.J. Zach, M.A. Frenkel, P. Lindhom, A.M. Ostvedt-Ghazi, A. Kumar, T. Pham
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... study presented below, showing a finite source switching time of 90 ms. DATA DEMODULATION AND NOISE EXTRACTION A short-time Fourier transform...
2009
The Accretion of Gorgona Island, Colombia: Multichannel Seismic Evidence
Susan McGeary, Zvi Ben-Avraham
Circum Pacific Council Publications
... by radiolarian-rich tuffaceous shales. T h e contact of this unit with the mafic igneous rocks is strongly disturbed and often marked by layers...
1985
Kerogen Characterisation and Petroleum Potential of the Late Cretaceous Sediments, Chad (Bornu) Basin, Northeastern Nigeria
Adebanji Kayode Adegoke, Wan Hasiah Abdullah, Babangida M. Sarki Yandoka, M. B. Abubakar
Geological Society of Malaysia (GSM)
.... Attenuated total reflection-fourier transform infrared (ATR-FTIR) spectroscopy ATR-FTIR spectra were collected using a Perkin Elmer Spectrum–100 FTIR...
2015
Geophysical Setting of Western Utah and Eastern Nevada Between Latitudes 37°45′ and 40°N
Edward A. Mankinen, Edwin H. McKee
Utah Geological Association
..., T.G., 1983, FFTFIL—a filtering program based on two-dimensional Fourier analysis: U.S. Geological Survey Open-File Report 83-237, 61 p. Hildenbrand...
2009
Calibration of the Early Cretaceous Time Scale: A Combined Chemostratigraphic and Cyclostratigraphic Approach to the Barremian Aptian Interval, Campania Apennines and Southern Alps (Italy)
Lukas Wissler, Helmut Weissert, Francesco P. Buonocunto, Vittoria Ferreri, Bruno D'Argenio
Special Publications of SEPM
... in the carbon-isotope profile was identified at the base of this unit. Throughout the Selli Level carbon-isotope values remain around +3‰, whereas above the Selli...
2004
Magnetic Anomalies of the Northern Gulf of California: Structural and Thermal Interpretations: Chapter 22: Part III. Regional Geophysics and Geology
O. Sanchez-Zamora, P. Doguin, R. W. Couch, G. E. Ness
AAPG Special Volumes
... = magnetic moment/unit depth, Rg = geomagnetic field direction factor, Rp = prism magnetization direction factor, h = depth to the top of the prism...
1991
Foreword — Oil-sands and heavy-oil deposits: Local to global multidisciplinary collaboration
Frances J. Hein, Kevin P. Parks, Dale A. Leckie, Chris Seibel
CSPG Bulletin
... was detected using a wavelet transform (Continuous Morlet Wavelet Transform). This wavelet transform was used instead of the more commonly-used Fourier...
2016
Carbonate Cycles in Upper Cretaceous (Campanian) Demopolis Chalk, West-Central Alabama
Jeffrey D. Warren , Charles E. Savrda
GCAGS Transactions
... was performed using a finite Fourier End_Page 487------------------------ transform (FFT) algorithm written for use with SAS statistical software...
1998
Deep Learning Models for Methane Emissions Identification and Quantification
Ismot Jahan, Mohamed Mehana, Bulbul Ahmmed, Javier E. Santos, Dan O’Malley, Hari Viswanathan
Unconventional Resources Technology Conference (URTEC)
...), and we applied Rectified Linear Unit (ReLU) as an activation function, followed by a max-pooling layer of 32 filters with kernel size (2, 2). The filter...
2023
History Matching of Reservoir Models by Ensemble Kalman Filtering: The State of the Art and a Sensitivity Study
Leila Heidari, Veronique Gervais, Mickaele Le Ravalec, Hans Wackernagel
AAPG Special Volumes
... generated on the basis of the fast Fourier transform moving average algorithm (Le Ravalec et al., 2000) without any conditioning to data at well...
2011