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The AAPG/Datapages Combined Publications Database

Showing 1,541 Results. Searched 200,691 documents.

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Detection of Shaly Gas Reserves using Pulsed Neutron Neutron Logging

K. Traxler

Search and Discovery.com

... determination of gas-layers within shaly sand sequences is very fast and easy; especially if combined with Fast Fourier Transformation to differentiate...

Unknown

Detection of Shaly Gas Reserves using Pulsed Neutron Neutron Logging

K. Traxler

Search and Discovery.com

... determination of gas-layers within shaly sand sequences is very fast and easy; especially if combined with Fast Fourier Transformation to differentiate...

Unknown

Abstract: High Resolution Quantitative Characterization of Organic Rich Mudstones using Laser Confocal Microscopy and Micro-FTffi Imaging; #90283 (2016)

T. D. Jobe, D. Jacobi, S. Csutak, S. Eichmann, W. Li

Search and Discovery.com

... characterization of mineralogy and geochemistry based on non-destructive measurements: Laser Scanning Confocal Microscopy (LSCM) and Micro-Fourier Infrared...

2016

Early Miocene Cyclostratigraphy and Sea-Level Changes from the Pearl River Mouth Basin, South China Sea; #50463 (2011)

Shi-Feng Tian

Search and Discovery.com

... in a mixed carbonate and siliciclastic setting. A spectral analysis will be carried out in these wells using the Fourier transform algorithm approach...

2011

Spectral Decompostion for a More Accurate Image; #41807 (2016)

Rongfeng Zhang

Search and Discovery.com

.... There are several ways of performing spectral decomposition of seismic data in terms of the mathematical method adopted, such as short-time Fourier transform...

2016

Dolomitization kinetics during induction: fluid geochemistry and mineralogical evidence for early nucleation

Ariel S. Martin, Stephen E. Kaczmarek

Journal of Sedimentary Research (SEPM)

... software. Background intensities were subtracted, and patterns normalized to the CaF2 standard. Normalized scans were smoothed using EVA’s Fourier...

2025

Lamina-scale diagenetic mass transfer in lacustrine organic-rich shales and impacts on shale oil reservoir formation

Yingchang Cao, Kelai Xi, Xiaobing Niu, Miruo Lin, Weijiao Ma, Zehan Zhang, and Helge Hellevang

AAPG Bulletin

... solariX XR Fourier transform-ion cyclotron resonance MS (FT-ICR MS). Electrospray ionization (ESI) coupled with FT-ICR MS allows for the ultrahigh mass...

2024

Sources, Distribution, and Mixing of Late Pleistocene and Holocene Sands on the South Texas Continental Shelf

Jim Mazzullo, K. D. Withers

Journal of Sedimentary Research (SEPM)

..., R., 1980, Determination of relative provenance contributions in samples of quartz sand using Q-mode factor analysis of Fourier grain shape data...

1984

Lacustrine cyclicity in the early Eocene Green River Formation, Uinta Basin, Utah: Evidence from X-ray fluorescence core scanning

Andrew P. Walters, Stephen R. Meyers, Alan R. Carroll, Tina R. Hill, Michael D. Vanden Berg

Journal of Sedimentary Research (SEPM)

...., 2015, Detailed description of oil shale organic and mineralogical heterogeneity via Fourier transform infrared microscopy: Energy & Fuels, v. 29, p...

2020

Diagnostic Attributes of Clastic Tidal Deposits: A Review

Swie-Djin Nio, Chang-Shu Yang

CSPG Special Publications

... to reconstruct the paleotidal regime (Yang and Nio, 1985). This technique involves: 1) Fourier analysis to test the cyclicity of the bundle-thickness sequence...

1991

Chapter 7: Curie Point Depths in Northwestern South America and the Southwestern Caribbean Sea

Carlos A. Vargas, Javier Idarraga-Garcia, Juan M. Salazar

AAPG Special Volumes

...), the depth to the centroid is calculated from the slope of an azimuthally averaged frequency-scaled Fourier spectrum in the low wavenumber region...

2015

A Method for Reducing the Effects of Base Plate Distortion

S. A. Sorkin

Pacific Section of AAPG

...-mechanical servo-system. Whatever the cause of the non-linearity the Fourier analysis components of motion include odd and even harmonics. Symmetrical motion...

1972

High-resolution imaging in the Campos Basin using legacy seismic acquisition

David Brookes, Darrell Armentrout, Milos Cvetkovic, Terry Johnson, Trish Sullivan

International Meeting for Applied Geoscience and Energy (IMAGE)

... interpolation was a challenge. A sparse Anti-Leakage Fourier Transform (ALFT) (Xu, 2005) interpolation method was originally used on this data. While the ALFT...

2023

The depth-domain seismic inversion based on depth-variant wavelet non-stationary convolution method

Cong Wang, Xuehua Chen, Wei Jiang, Shengyi Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... by reweighted L1 minimization: Journal of Fourier Analysis and Applications, 14, 877–905. Hu, Z., H. Zhu, B. Lin, and S. Xue, 2007, Wavelet analysis...

2024

Extracting surface wave dispersion spectra directly from the high-speed train induced vibration

Shengpei Xia, Xinyue Pan, Xiaokai Wang, Wenchao Chen, Jingrui Luo, Haixia Zhao, Wenjing Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... for the m-th N-S moving HST. The window Fourier transform can be used to decompose the 1D signal xm(n,t) to time-frequency expression Xm(n, f...

2024

Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada

Gilles Bellefleur

Search and Discovery.com

... at a specific receiver using P ( z o , Z )* ( z o ) exp iZ'W ( z ,Z ) *( z o )  '*( z ) ˆ P( z, Z ) ˆ Where P ( z , Z ) is the Fourier transform of the VSP...

Unknown

Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada

Gilles Bellefleur

Search and Discovery.com

... at a specific receiver using P ( z o , Z )* ( z o ) exp iZ'W ( z ,Z ) *( z o )  '*( z ) ˆ P( z, Z ) ˆ Where P ( z , Z ) is the Fourier transform of the VSP...

Unknown

Structure-and-Amplitude-Preserving Multi-Channel Deconvolution

Search and Discovery.com

... the following operations: converting data to the FX domain via the Fourier transform, applying a spatial prediction filter and converting back to the TX domain...

2013

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

... ) and then after Fourier transformation of time and the horizontal space variables, the partial differential equation (1) becomes an ordinary differential...

2014

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