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The AAPG/Datapages Combined Publications Database

Showing 4,876 Results. Searched 200,616 documents.

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Seismic monitoring using compact phased arrays: CO2 sequestration monitoring

Jian Zhang, Elige B. Grant, Paul A. Nyffenegger, Mark A. Tinker, Kevin D. Hutchenson, Don C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the three-dimensional array response and spatially-coherent processing (beamforming), the system optimally suppresses non-coherent noise while...

2022

Abstract: Fast and Accurate Impedance Inversion by Well-Log Calibration; #90171 (2013)

Igor B. Morozov and Jinfeng Ma

Search and Discovery.com

..., and 4) spectral amplitudes and geostatistical information from spatially-interpolated well logs. The resulting synthetic log sections or volumes...

2013

Regional-Scale Marine Faunal Change in Eastern Australia During Permian Climate Fluctuations and Its Relationship to Local Community Restructuring

Matthew E. Clapham, Noel P. James

PALAIOS

... of occurrences per genus after pooling is six) and reduce the influence of random noise in the data, and calculates the mean paleolatitude of its occurrences...

2012

Laminae-scale rhythmicity of inclined heterolithic stratification, Lower Cretaceous McMurray Formation, NE Alberta, Canada

E. R. Timmer, M. K. Gingras, M. L. Morin, M. J. Ranger, J.-P. Zonneveld

CSPG Bulletin

... a lower signal power. The most significant periodicities, that is, the periods that are the least likely to be random noise have high frequency power...

2016

Chapter 9. Australia: Satellite Lineaments in Southeast Australia

K. L. Burns, J. Shepherd

Utah Geological Association

... artifacts due to spatially-coherent noise. These include scan lines, film striae, and artifacts of unknown origin in other directions. Second...

1974

Strategies for Sampling Spatially Heterogeneous Phenomena: the Example of River Gravels

John Wolcott , Michael Church

Journal of Sedimentary Research (SEPM)

...Strategies for Sampling Spatially Heterogeneous Phenomena: the Example of River Gravels John Wolcott , Michael Church 1991 Vol. 61 No. 4. (July...

1991

Geostatistical Earth modeling of cyclic depositional facies and diagenesis

Thomas Le Blévec, Olivier Dubrule, Cédric M. John, and Gary J. Hampson

AAPG Bulletin

... ordering (or cyclicity) is defined by two Gaussian random functions spatially shifted from each other, and rhythmicity of the facies succession...

2020

A New Seismic Method to Significantly Improve Deeper Data Character and Interpretability

Andrew Long, Guillaume Cambois, Gregg Parkes, Anders Mattsson, Terje Lundsten, Mazin Farouki

Indonesian Petroleum Association

... the survey shotpoint density. A 100 km 2D line was acquired three times in a spatially-coincident manner during 2008: With a conventional source array...

2009

Abstract: Advances in Surface-Groundwater Modelling in Lagoon Environment with Airborne Electromagnetics and High Resolution Seismic: Example from the Venice Lagoon; #90172 (2014)

A. Viezzoli, Pietro Teatini, Luigi Tosi

Search and Discovery.com

... by the receiver and then inverted into geoelectric models using the Spatially Constrained Inversion (SCI) technique (Viezzoli et al., 2008). The VHRS method allows...

2014

Computer-Generated Surfaces and Grids of the Geometry, Rock Type, and Chemistry of a Bedded Mineral Deposit: Chapter 4

Walter J. Bawiec, Wilbur D. Grundy

AAPG Special Volumes

..., or regresses, estimates based on the proportion of total sample variance accounted for by random noise. The noisier the data set, the less the individual samples...

1992

Predicting Permeability from Porosity Using Artificial Neural Networks

S. J. Rogers , H. C. Chen , D. C. Kopaska-Merkel , J. H. Fang

AAPG Bulletin

... is dominated by dolomitized oolitic grainstone and spatially associated dolomitized lime mudstone (Bradford, 1984). In terms of existing rock fabric...

1995

Geophysical characterization of a leachate plume from a former municipal solid waste disposal site: A case study on Norman landfill

Md. Iftekhar Alam, Andrew Katumwehe, and Estella Atekwana

AAPG Bulletin

.... The root mean square misfit for the inversion was ∼4%. All of the apparent resistivity data were edited for possible noise reduction using the Res2Dinv...

2022

Magnetic Resonance Imaging of Local Flow Velocity in Porous Media

Bruce J. Balcom

Search and Discovery.com

... we explore a general approach to measuring spatially resolved fluid velocity in realistic porous media undergoing flow. Measurements are based...

Unknown

Magnetic Resonance Imaging of Local Flow Velocity in Porous Media

Bruce J. Balcom

Search and Discovery.com

... we explore a general approach to measuring spatially resolved fluid velocity in realistic porous media undergoing flow. Measurements are based...

Unknown

Abstract: Case Studies from Fort Mc Murray, Horn River Basin and Manitoba Displaying Advances in Technology, New Approach and Updated Interpretation of AEM Data for Unconventional Hydrocarbons and Groundwater Mapping; #90224 (2015)

Andrea Viezzoli and Vincenzo Sapia

Search and Discovery.com

... presented here was acquired and preprocessed by Fugro Airborne Surveys. It was then inverted using full non-linear Spatially Constrained Inversion...

2015

Recent AEM Case Study Examples Using a Full Waveform Time-Domain System for Near-Surface Applications, #41509 (2014).

Jean M. Legault, Alexander Prikhodko, Timothy Eadie, Greg Oldenborger, Vincenzo Sapia, Andrea Viezzoli, Erwan Gloaguen, Bruce D. Smith, Melvyn E. Best

Search and Discovery.com

... of transmitter and receiver waveform data, as well as 2) continuous system calibration corrections, 3) parasitic-noise and transmitter-drift corrections, and 4...

2014

Enhancing Subsurface Imaging and Reservoir Characterization in the Marcellus Through Advanced Reprocessing of Wide Azimuth 3D Seismic, #11159 (2018).

Jinming Zhu, Chris Perll, Trevor Coulman,

Search and Discovery.com

.... Starting from field seismic records geometry errors were identified and corrected. Improved noise attenuation practices including land surface related...

2018

Analysis of Temperatures and Thermal Processes in the Uinta Basin

Sean D. Willett, David S. Chapman

CSPG Special Publications

... gradients; the bottom hole temperatures constitute the data. With a stochastic inversion method, the data and parameters are treated as random variables...

1987

Using copulas for implementation of variable dependencies in petroleum resource assessment: Example from Beaufort-Mackenzie Basin, Canada

Zhuoheng Chen, Kirk G. Osadetz, James Dixon, James Dietrich

AAPG Bulletin

... resource assessment.Study and application suggest that copulas provide an alternative way to model joint distributions of random variables...

2012

Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers

Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel, Ersan Turkoglu

International Meeting for Applied Geoscience and Energy (IMAGE)

... and spatially varying source signatures, and low signal-to-noise ratio (SNR) in the data. In this study, we propose a new method to reconstruct...

2022

A smart merge workflow for dual-azimuth images

Xu Li, Diwi Snyder, Dez Chu, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

... weight. In Step 1, a constant 3D moving window is used to derive the spatially varying coherence and RMS attribute values; followed by spatial...

2022

Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database

Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza

Unconventional Resources Technology Conference (URTEC)

... liquid flows. This capability is largely due to its impressive signal-to-noise ratio and high spatial and temporal resolution, enabling the measurement...

2024

Landscape Ecology and Quantitative Stratigraphy: Parallel Perspectives on Spatial Heterogeneity

Roy E. Plotnick

Special Publications of SEPM

... under question The simple defini wide interest in the ecological community Robertson 1987 Rossi a spatially heterogeneous tion given by Turner 1989 p 173...

1999

Unlocking the UK North Seas Hidden Wealth

Henry Morris

GEO ExPro Magazine

... with palaeogeographic drainage network, UK Central North Sea. calibration. This latest generation of seismic data provides broad-bandwidth, high signal-to-noise...

2016

Geophysics and neural networks: learning from computer vision

Mark Grujic, Liam Webb, Tom Carmichael

Petroleum Exploration Society of Australia (PESA)

... texture and the ability to spatially query areas for morphological similarity. Key words: Computer vision, neural network, geophysics, image texture...

2019

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