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The AAPG/Datapages Combined Publications Database

Showing 1,541 Results. Searched 200,630 documents.

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Development of offshore microtremor array exploration

Yoshikazu Matsubara, Mikihiro Imai, Akeshi Hiraide

International Meeting for Applied Geoscience and Energy (IMAGE)

... installation method was found to be appropriate. Figure 3 a) shows the fourier spectra obtained by 200 m array measurement. The spectra of all OBSS were...

2022

Designing alternative 3D seismic surveys for reduced environmental footprints using the seismic trace density parameter

Mostafa Naghizadeh, Andrea Crook, Alyson Birce, Stephanie Ross

International Meeting for Applied Geoscience and Energy (IMAGE)

... densities of 6.0, 1.5, respectively. Double weave geometries provide optimal trace distributions for sparse Fourier reconstruction algorithms (also...

2023

Abstract: Sources and Distribution of Silt, South Texas Shelf

Jim Mazzullo , Jeffrey Crisp

GCAGS Transactions

...Abstract: Sources and Distribution of Silt, South Texas Shelf Jim Mazzullo , Jeffrey Crisp 1984 Vol. 34 (1984), Fourier grain shape...

1984

ABSTRACT: Evolution of the Chemical Structure of Hat Creek Resinite During Oxidation: A Combined FT-IR Photoacoustic, NMR and Optical Microscopic Study

T Gentzis, F. Goodarzi, R.A. McFarlane, A.M. Vassallo

The Society for Organic Petrology (TSOP)

... of Fourier transfonn infrared (Ff-IR) photoacoustic and carbon-l:3 nuclear magnetic resonance spectroscopies. The determined changes in molecular...

1991

Patterns of Quartz Sand Shape Variation, Long Island Littoral and Shelf

Debra D. Riester , R. Craig Shipp , Robert Ehrlich

Journal of Sedimentary Research (SEPM)

.... (December), Fourier analysis of quartz grain shapes across the shelf and adjacent beach-littoral system off Long Island reveals a pattern of variation...

1982

Reference-Rotated Eigenshape Analysis of Sands and Sandstones: ABSTRACT

James M. Parks

AAPG Bulletin

... objects, reference-rotation may not be necessary. Unlike Fourier shape analysis, which as currently used involves only small-scale irregularities...

1983

Sources and Distribution of Silt, South Texas Shelf: ABSTRACT

Jim Mazzullo, Jeffrey Crisp

AAPG Bulletin

...Sources and Distribution of Silt, South Texas Shelf: ABSTRACT Jim Mazzullo, Jeffrey Crisp 1984 1215 1215 68 9. (September) Fourier grain shape...

1984

Abstract: A Nuclear Norm Minimization Algorithm with Application to Five Dimensional (5D) Seismic Data Recovery; #90187 (2014)

N. Kreimer, A. Stanton, and M. D. Sacchi

Search and Discovery.com

... to the representation of the signal. Techniques under this category often adopt Fourier basis and seek an expansion in terms of a sparse collection of coef...

2014

Abstracts: Recent Airborne EM System (helicopter VTEM and fixed-wing ZTEM) Development for Near-surface and Regional Applications for Oil and Gas Exploration; #90173 (2015)

Jean Legault, Alexander Prikhodko, Harish Kumar and Jim Genereux

Search and Discovery.com

..., between 30-730Hz, using Fourier-based, digital signal processing. The new Fixed-Wing ZTEM for 2011 employs a newly designed receiver coil deployed from...

2015

Abstract: 3D OBC sesimc data processing to overcome sampling sparseness and irregularity; #90254 (2016)

Shotaro Nakayama, Mark A. Benson, Kamal Belaid, Tarek Matarid, Mikael Garden, Dimitry Zarubov

Search and Discovery.com

... and scattered Scholte waves are effectively attenuated without suffering a lack of spatial sampling. Matching Pursuit Fourier Interpolation (MPFI...

2016

Abstract: Geothermal Assessment of the Northeastern Gulf of Gabes Based on New Borehole Temperature and Thermal Conductivity Corrections: Petroleum Generation Fallout; #91202 (2022)

Insaf Mraidi, Amina Mabrouk El Asmi, Ahmed Skanji, and Moncef Saidi

Search and Discovery.com

... conductivity and porosity. After heat flow calculation with the Fourier law, three different scenarios were tested, using the BasinMod software in order...

2022

Abstract: Processing of Land Seismic Data Acquired Via Compressive Sensing: Latest Update; #91209 (2025)

Mohammad S. Farooqui

Search and Discovery.com

... the effectiveness of the new data reconstruction technique compared to other methods such as multi-dimensional Fourier regularization, especially...

2025

Geologically Driven Joint Inversion of Gravity, Seismic and Well Data: A Step Forward in Understanding of Geological Structure and Reducing E&P Risks; #70282 (2017)

Oleksandr Petrovskyy, Tetyana Fedchenko

Search and Discovery.com

... techniques. Thus filtration, regional-residual separation, analytical upward-downward continuation, Fourier and wavelet transforms are still used...

2017

Reservoir Properties: Mineralogy, Porosity, and Fluid Types

Alberto César Ortiz, Luisa Crousse, Carolina Bernhardt, Dolores Vallejo, Laurent Mosse

AAPG Special Volumes

... matrix. Quantification of the mineralogy in terms of weight fractions was provided by x-ray diffractometry (XRD), infrared Fourier transform...

2020

Anomalías Gravimétricas y Estimación de Espesor Elástico Efectivo de la Litosfera en Cuencas Antepaís: Cuenca Barinas … Apure [PAPER IN SPANISH] Gravity Anomalies and Effective Elastic Thickness Estimates of the Lithosphere in Foreland Basins: Basin Bari

O. Medina, C. Izarra

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... Sun Choi, and Houze Xu, 2006, Threedimensional forward and inverse models for gravity fields based on Fast Fourier Transform, Computer & Geosciences...

2009

Upper Proterozoic Tidal Rhythmites, South Australia: Sedimentary Features, Deposition, and Implications for the Earth’s Paleorotation

George E. Williams

CSPG Special Publications

... (synodic) monthly cycles. Hence, at ∼650 Ma there were 400±7 solar days per year and 21.9±0.4 hours per day. Figure 14. Fast Fourier transform smoothed...

1991

Evaluation and Insights from Instantaneous Shut-in Pressures

Nicolas Roussel, Herbert Swan, Jon Snyder, Dung Nguyen, David Cramer, Annie Ouk

Unconventional Resources Technology Conference (URTEC)

... of the Discrete Fourier Transform (the black dots in Figure 18b). Figure 18 – (a) Location of highest-magnitude DFT sample and (b) interpolated resonant...

2021

Current Uses of Computers by Exploration Geologists

J. M. Forgotson, Jr. , C. F. Iglehart

AAPG Bulletin

...., v. 46, p. 2229-2245. Krumbein, W. C., 1966, A comparison of polynomial and Fourier models in map analysis: Office of Naval Research, Geogr. Branch...

1967

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