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The AAPG/Datapages Combined Publications Database
Showing 1,338 Results. Searched 195,364 documents.
Abstract: Interpolation by Angular Deconvolved prior MWNI (AdMWNI); #90224 (2015)
Mark Ng and Dan Negut
Search and Discovery.com
... weight function. Theory and Method Define d(x,t) to be the observed input with missing data, and D(kx,ω) its corresponding Fourier transform. Find...
2015
Empirical Mode Decomposition (EMD) of Turner Valley Airborne Gravity Data in the Foothills of Alberta, Canada; #41581 (2015)
Hassan Hassan
Search and Discovery.com
.... The Fourier transform (FFT) is designed to work with linear and stationary signals. The wavelet transform, on the other hand, is well-suited to handle...
2015
Abstracts: Attenuating 2D Noise in a 3D World; #90173 (2015)
David C. Henley
Search and Discovery.com
... to reflection events. One of the most commonly used methods relies on the f-k (2D Fourier) transform to separate noise events, by velocity, from...
2015
ABSTRACT: CHEMICAL FUNCTIONALITIES OF HIGH AND LOW SULPHUR COALS: A CASE STUDY USING MICRO ATTENUATED TOTAL REFLECTANCE-FOURIER TRANSFORM INFRARED (ATR-FTIR) SPECTROMETRY TECHNIQUES
Zhongsheng Li, Peter M. Fredericks, Llew Rintoul, Colin R. Ward
The Society for Organic Petrology (TSOP)
...ABSTRACT: CHEMICAL FUNCTIONALITIES OF HIGH AND LOW SULPHUR COALS: A CASE STUDY USING MICRO ATTENUATED TOTAL REFLECTANCE-FOURIER TRANSFORM INFRARED...
2006
Hybrid COV Interpolation & Procesing: A Case Study on NW Tunu Transition Zone, Indonesia
Vishal Kumar, Doddy Biramandita, Wayne Zanussi, Jacques Bonnafe, Natalia Anggriani, M-Adam Cepi
Indonesian Petroleum Association
... and denoising. The data is then 5D regularized using Anti-Leakage Fourier Transform (ALFT) reconstructions (Xu et al, 2005, Poole, 2010) to form COV...
2016
ABSTRACT: Physical and Chemical Characteristics of Peats from Various Depositional Settings: Development of a Peat Sample Bank
Michael S. Roilins, Arthur D. Cohen, James R. Durlg
The Society for Organic Petrology (TSOP)
... chromatography combined with Fourier Transform infrared spectroscopic and flame ionization detection (Py-GCIFT-IRIFID),and pyrolysis GC with mass...
1990
Petrographic and Micro-FTIR Study of Organic Matter in the Devonian-Mississippian New Albany Shale During Thermal Maturation: Implications for Oil-Prone Kerogen Transformation
Search and Discovery.com
N/A
Abstract: Surface-consistent Matching Filter for Time-lapse Processing; #90174 (2014)
Mahdi H. Almutlaq and Gary F. Margrave
Search and Discovery.com
...-hand-side contains its surface consistent components and the "hat" denotes the Fourier transform. However, computing the ratio of two spectra directly...
Unknown
Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)
Vanja Vracar and Robert J. Ferguson
Search and Discovery.com
..., t, and distance, d, domain are converted to frequency, f , and wavenumber, , domain invoking Fast Fourier Transform (FFT) and Inverse Fast Fourier Transform...
2015
Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures
Robert Dennison
Indonesian Petroleum Association
... the reciprocal i.e. i/f, of every frequency point. Once G(w) had been computed an Inverse Fourier Transform converts the wavelet spectrum back into the time domain...
1984
Improving curvature analyses of deformed horizons using scale-dependent filtering techniques
Stephan Bergbauer, Tapan Mukerji, Peter Hennings
AAPG Bulletin
... (Fourier [spectral] analysis, wavelet transform filtering, singular value decomposition, factorial kriging) on a seismically mapped horizon in the North...
2003
Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia
Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Fourier Coefficient and Fourier Coefficient residuals, all of them, assume fractured formations are an HTI medium (Figure 1). Figure 1: Methods...
2023
Application of Wave Equation Tomography in Frontier Areas
Tien-when Lo, Guy W. Purnell
Indonesian Petroleum Association
... and Toksoz, 1987): where (ks, kg) is the 2-D Fourier transform of the scattered wavefield, r is the position vector, ks and ks are the wavenumbers...
1990
AVAZ inversion for brittleness indicator and fracture parameters of gas-bearing reservoirs with tilted transverse isotropy
Yuanyuan Tan, Guangzhi Zhang, Zhengqian Ma, Ying Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... was directly expressed by a brittleness indicator and fracture density. A hierarchical inversion method based on the discrete Fourier transform was proposed...
2023
Abstract: Applying New Technologies to Old Areas: Relative Geologic Time, Wheeler Diagrams and Near Field Exploration in Faulted Plays
Steve Tobias
Houston Geological Society Bulletin
... of a cartoon-like representation. This transform should be every bit as important to a seismic interpreter as a Fourier or Wavelet Transform...
2018
Abstract: Applying New Technologies to Old Areas: Relative Geologic Time, Wheeler Diagrams and Near Field Exploration in Faulted Plays
Steve Tobias
Houston Geological Society Bulletin
... of a cartoon-like representation. This transform should be every bit as important to a seismic interpreter as a Fourier or Wavelet Transform...
2019
Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)
Robert J. Ferguson and Gary F. Margrave
Search and Discovery.com
... can be turned on and off if desired without changing the model. Access to this domain is achieved simply through the Fast Fourier transform (Foster...
2013
Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)
Robert J. Ferguson and Gary F. Margrave
Search and Discovery.com
... can be turned on and off if desired without changing the model. Access to this domain is achieved simply through the Fast Fourier transform (Foster...
2013
5D Interpolation Using Orthogonal Matching Pursuit (OMP) Algorithm to Recover and Reconstruct Damaged Seismic Data, a Case Study in Jb Field, North West Java Basin
Andreas Wasi Kuncoro Kaissagara, Aji Rahmat Ginanjar, Arrie Kurniawan, Dimas Pramudito
Indonesian Petroleum Association
... the data in a Fourier expansion and using data expansion coefficient, the algorithm reconstructed the data at particular spatial locations. Kirchhoff...
2017
Antialiasing 5D Interpolation; #41497 (2014)
Stephen K. Chiu
Search and Discovery.com
... transpose of x, F is a multi-dimensional forward Fourier transform, F-1 is a multi-dimensional inverse Fourier transform, and x’ is a least-squares solution...
2014
Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin
Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama
Indonesian Petroleum Association
.... A common technique to obtain a time-frequency map is the Short Time Fourier Transform (STFT), which has time-frequency resolution resulting from...
2008
AAPG Hedberg Series, no. 1. Chapter 1: Advances in Hydrocarbon Fluid-inclusion Microanalysis and Pressure-volume-temperature Modeling: Diagenetic History, Pressure-temperature, and Fluid-flow Reconstruction — A Case Study in the North Potwar Basin, Pakistan
Nicole Guilhaumou, Lakhdar Benchilla, Pascal Mougin, Paul Dumas
AAPG Special Volumes
... of the combination of the in-situ microanalysis of hydrocarbon fluid inclusions by Synchrotron Fourier transform infrared spectroscopy and PVTX modeling coupled...
2004
Maximising the Potential of Seismic Expressions by Surgical Geological Modelling and Spectral Decomposition
Lory Evano, Fabien Cubizolle
GEO ExPro Magazine
... DECOMPOSITION ALGORITHMS The Short Time Fourier Transform (STFT) and the Continuous Wavelet Transform (CWT) are the main spectral decomposition algorithms used...
2022
Interpolation Using Higher Dimensions: A Case Study ON KE2 Three-Dimensional Transition Zone Seismic Survey, Madura Field, Indonesia
Cecep Sutisna, Frans Langitan, Vishal Kumar, Keat Huat Teng, Pongga Wardaya
Indonesian Petroleum Association
... like Minimum Weighted Norm Interpolation (Liu and Sacchi, 2004, Trad, 2009), Anti-Leakage Fourier Transform (ALFT) reconstruction (Xu et al., 2005...
2015
Combined AVO and Spectral Decomposition Analyses to Characterize Gas Sand Reservoir Below Tuning Thickness Condition
Julian Saputro, Jaenudin, Alexis Badai Samudra, Enik Puji Lestari, Sugiono, Aldis Ramadhan, Yosi Hirosiadi
Indonesian Petroleum Association
... Ratio (from Zoepritz Equation, decreasing poisson ratio value sensitive to hydrocarbon existence). Discrete Fourier Transform (DFT) method was applied...
2016