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The AAPG/Datapages Combined Publications Database

Showing 1,541 Results. Searched 200,619 documents.

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Gas Hydrates Exploration Using Continuous Wavelet Transform Based on Spectral Decomposition

Hafidz Dezulfakar, Muhazzib, Yulia Nur Fajrina

Indonesian Petroleum Association

... s may be written as: 1 , √ Where Ψ* is the complex conjugation of the Fourier transform of the wavelet function. The length of the wavelet has...

2016

A New Insight of Hydrocarbon Potential in Stratigraphic Trap in the Keutapang Formation, North Sumatra Basin

Argya Hastubrata Basundara, Andi Mardianza, Humbang Purba, Ricky Andrian Tampubolon, Shidqi Anugrah Diria, Dedi Retno Haryanto, Herman Darman, Junita Trivanty

Indonesian Petroleum Association

... that the signal is multiplied with a function, wavelet, similar to the window function in the Discrete Fourier Transform (DFT), and the transform...

2018

From 2D to 4D Wheeler Diagrams; #50774 (2012)

Farrukh Qayyum, Paul de Groot, Nanne Hemstra

Search and Discovery.com

... decomposition attributes in a sliding window that slides relative to the HorizonCube (chronostratigraphic) event. For example in a Fourier Transform...

2012

Raman Spectroscopy Based Maturity Profiling of the Vaca Muerta Formation, Neuquén Basin, Argentina

Alberto Ortiz, Bastian Sauerer, Jean-Paul Lafournère, Pablo Saldungaray, Wael Abdallah

Unconventional Resources Technology Conference (URTEC)

... Infrared Fourier Transform Spectroscopy) or results derived from the kerogen properties. This case study in the Vaca Muerta shows a good correlation...

2019

Fourier Grain Shape Analysis as a Tool for Indicating Batch Recoveries of Bitumen from Athabasca Tar Sands: ABSTRACT

Marian McNally Smith, Robert Ehrlich, Arvid Hardin

AAPG Bulletin

...Fourier Grain Shape Analysis as a Tool for Indicating Batch Recoveries of Bitumen from Athabasca Tar Sands: ABSTRACT Marian McNally Smith, Robert...

1983

Climatic Forcing of Cyclic Carbonate Sedimentation During the Last 5.4 Million Years Along the West Florida Continental Margin

Steven R. Roof , Henry T. Mullins, Steven Gartner, T. C. Huang, Ed Joyce, John Prutzman, Leonard Tjalsma

Journal of Sedimentary Research (SEPM)

... of the core. End_Page 1075----------------------- density estimates using a discrete Fourier transform, and finally smoothing the raw power spectrum...

1991

Spectrum Extrapolation to Increase Resolution: ABSTRACT

D. G. Stone

AAPG Bulletin

... except in the framework of Wiener filtering. An alternate method is possible using Fourier theorems to extrapolate the spectrum to higher frequencies...

1973

Interactive Gridding: ABSTRACT

James A. Downing

AAPG Bulletin

... derived from gridded surface models. Processing and analysis techniques such as surface filtering, trend analysis, Fourier transforms, and simple...

1982

A 3-D ground-penetrating radar and wavelet transform analysis of the morphology of shoreface deposits in the Upper Cretaceous Ferron Sandstone Member, Utah

Keumsuk Lee, Robert Szerbiak, George A. McMechan, Namsoon Hwang

AAPG Bulletin

... followed by the analysis results.Two-Dimensional Continuous Wavelet DecompositionThe CWT is related to the Fourier transform but has the added advantage...

2009

VMD Based Sedimentary Cycle Division for Unconventional Facies Analysis

Fangyu Li, Tao Zhao, Yin Zhang, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

..., signal decomposition shows people more hidden information in the data than superficially. As the most classic spectral analysis tool, Fourier transform...

2016

Extraction and Interpretation of the Complex Seismic Trace

R. E. Sheriff, M. T. Taner, F. Koehler, D. Frye

Indonesian Petroleum Association

... of determining frequency as described above–both instantaneous frequency and weighted frequency – are quite different from the more common Fourier-Transform...

1977

Real-time hydraulic fracturing monitoring using deep learning clustering of microseismic data

Chenglong Duan, Lianjie Huang, Michael Gross, Michael Fehler, David Lumley

International Meeting for Applied Geoscience and Energy (IMAGE)

... hydraulic fracturing monitoring. Method We compute spectrograms of microseismic waveforms using the magnitude of the short-time Fourier transform (STFT...

2022

Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)

Changsoo Shin and Wansoo Ha

Search and Discovery.com

... is the amplitude of an impulse source. If we take the Fourier transform of the equation with respect to x and the Laplace transform with respect to the time, we can...

2014

Seismic data reconstruction using denoising convolutional neural network combined with regularization by denoising

Nanying Lan, Kaiheng Sang, Fanchang Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...-based reconstruction method. transform (Turquais et al., 2018; Lan et al., 2019, 2021b). Unlike the sparsity constraint regularization, low-rank...

2022

FOSSILIZATION MODEL FOR SQUAMASTROBUS TIGRENSIS FOLIAGE IN A VOLCANIC-ASH DEPOSIT: IMPLICATIONS FOR PRESERVATION AND TAPHONOMY (PODOCARPACEAE, LOWER CRETACEOUS, ARGENTINA)

MAITEN A. LAFUENTE DIAZ, JOSÉ A. D'ANGELO, GEORGINA M. DEL FUEYO, ERWIN L. ZODROW

PALAIOS

... (Coniferales, Lower Cretaceous, Baquer´ Group, Santa Cruz, o Argentina) are studied by semi-quantitative Fourier transform infrared spectroscopy, followed...

2018

Gravity's Role in a Modern Exploration Program

Gene Greene

Houston Geological Society Bulletin

.... 203-225. Figure 3. Two dimensional Fourier transform from Swartz (Geophysics, 1954). End_of_Record - Last_Page 51...

1991

Processing the first full azimuth OBN survey in Australia: a step change in imaging quality

Unnikrishnan Chambath, Vincent Ganivet, Sergey Birdus, Joe Zhou, Alain Delorme, Leigh Scoby-Smith, Ivan Gregory, Matt Kovacevic, Tim Williams, Chris Walton

Petroleum Exploration Society of Australia (PESA)

... Gas Field: Chapter 32, M 54 Giant Oil and Gas Fields of the Decade 1987-1988 Wang, J., Wang,S. , 2013, Hybrid 5D Fourier transform - a flexible tool...

2019

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

Mixed Siliciclastic-Carbonate System of DŽ 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

Application of Frequency-Dependent Attributes for Gas Prospect Identification

Vittorio De Tomasi, Alfonso Junio Marini, Maurizio Ferla, Francesca de Finis

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2014) to time-frequency methods like short Fourier transform, wavelet transform, etc. We demonstrate here a method based upon Tikhonov regularization...

2023

Fine description of composite channel sand bodies based on multiseismic attribute CMY fusion technology

Zhenglong Zhang, Jianli Wang, Hebing Tang, Xuetong Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... channels. response characteristics of faults or lithological boundaries, this method uses 3D Fourier transform technology to calculate the dip...

2023

3D GPR data mel-frequency cepstral coefficients features for effective CNN classification of urban utilities

Jide Nosakare Ogunbo, Sang Hun Baek, Sang-Wook Kim

International Meeting for Applied Geoscience and Energy (IMAGE)

... cosine transform decorrelated parameters computed through a transformation of the logarithmically compressed filter-output energies (Ganchev et al., 2005...

2024

Cycles in Lake Beds of the Triassic Sanford Sub-Basin of North Carolina

Lisa N. HU, Daniel A. Textoris

Special Publications of SEPM

... as indicated by time series analyses using a modified Cooley-Tukey Fast Fourier Transform of gamma-ray logs from the three wells. The Butler well has strong...

1996

Sources Of Shoaling In Charleston Harbor, Fourier Grain Shape Analysis: DISCUSSION

James Neiheisel

Journal of Sedimentary Research (SEPM)

...Sources Of Shoaling In Charleston Harbor, Fourier Grain Shape Analysis: DISCUSSION James Neiheisel 1979 Vol. 49 No. 2. (June), HAILS, J. R...

1979

New technologies for seismic resolution enhancement and bandwidth expansion: Applications in SE Asian Basin

Yasir Bashir, Abdul Halim Abdul Latiff, Muhammad Sajid

Geological Society of Malaysia (GSM)

...-Transform (STFT), which enhances the Fourier Transform’s capabilities by incorporating the time dimension. The process has facilitated the filtration...

2024

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