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The AAPG/Datapages Combined Publications Database

Showing 8,924 Results. Searched 200,616 documents.

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Seismic Resolution and Analysis of Thin Pay Beds (Paper C12)

M. Sajid, D. P. Ghosh, Z. T. H. Zuhar

Geological Society of Malaysia (GSM)

... order of differentiation represents the finer level of change in signal i.e. higher the order of derivation represents finer the change in signal. Each...

2012

Deep-learning-based downhole tool electromagnetic telemetry noise attenuation and source separation

Carlos Urdaneta, Arnaud Jarrot, Shirui Wang, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... within the EM telemetry signal band (1-25Hz) and separate the downhole tool source signal without incurring additional hardware costs. Successful...

2022

Deep Learning Models for Methane Emissions Identification and Quantification

Ismot Jahan, Mohamed Mehana, Bulbul Ahmmed, Javier E. Santos, Dan O’Malley, Hari Viswanathan

Unconventional Resources Technology Conference (URTEC)

... with 5-nm spectral sampling to fill the resolution gap (Duren et al., 2019). This instrument has a high signal-to-noise ratio, response uniformity...

2023

Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

... by addition (summation or stacking) to produce a seismogram with an improved signal to random and coherent noise ratio (Figure 3). Seismic exploration has been...

1989

Time-lapse seismic at 29,000: What can we learn?

Jan Stammeijer, Pieter Cornelisse, Christy Gautre, Patricia Yu, Juan Jimenez, Paul Hatchell

International Meeting for Applied Geoscience and Energy (IMAGE)

... is characterized as near-critical retrograde gas condensate with a strong compositional gradient. The downdip hardening signal is interpreted as aquifer rise...

2023

CSEM monitoring of CO2 storage with wellbores as antennas

Simone Zonetti, Amir Ghaderi, Madeline Lee, Peder Eliasson, Antony Price, David Andreis

International Meeting for Applied Geoscience and Energy (IMAGE)

... in a Controlled Source Electromagnetics (CSEM) survey. We perform simulations with the Finite Element Method (FEM), testing the sensitivity of the signal...

2024

A practical approach to automate end-to-end multi-stage iterative source separation with prior framework using machine learning

Rajiv Kumar, Yousif Izzeldin Kamil Amin, Riccardo Giro, Sunil Manikani, Nam Pham, Massimiliano Vassallo, Phillip Bilsby, Tao Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... efficiently identifies patches of low and high signal-to-noise ratio. This enables the automated determination of optimal thresholding values while preserving...

2024

Deep learning to maximize the value of fast-track 4D seismic processing

Arnab Dhara, Haron Abdel-Raziq, Denis Kiyashchenko, Asiya Kudarova, Janaki Vamaraju, Albena Mateeva, Pandu Devarakota, Kanglin Wang, Jorge Lopez

International Meeting for Applied Geoscience and Energy (IMAGE)

... insights and to inform possible actions related to well operations and field development. However, the signal fidelity of fast-track processing...

2022

Historic Fracture Design Evaluation Made Easy: Automating Pumping Schedule Recognition from Hydraulic Fracturing Time-Series Data

Jessica Iriarte, Sam Hoda

Unconventional Resources Technology Conference (URTEC)

..., and flush) by smoothing, normalizing, and then “rounding” the proppant concentration signal. The procedure then isolates sustained intervals...

2020

A Big Fan of Signals? Exploring Autogenic and Allogenic Process and Product In a Numerical Stratigraphic Forward Model of Submarine-Fan Development

Peter M. Burgess, Isabella Masiero, Stephan C. Toby, Robert A. Duller

Journal of Sedimentary Research (SEPM)

... Peter M. Burgess, Isabella Masiero, Stephan C. Toby, Robert A. Duller 2019 1 12 Vol. 89 (2019) No. 1. (January) Distinguishing an allogenic signal...

2019

Seasat Orbital Radar Imagery for Geologic Mapping: Tennessee-Kentucky-Virginia

J. P. Ford

AAPG Bulletin

... as the Seasat images, but with a much higher inclination of the imaging beam from vertical, provide equivalent enhancement of the topography with virtually...

1980

Reconstructing the diet and paleoecology of Plio-Pleistocene Cercopithecoides williamsi from Sterkfontein, South Africa

Frank L'Engle Williams, Elise Geissler

PALAIOS

... mixed C3/C4 isotopic signal. This fossil taxon groups with terrestrial primates more than arboreal ones when habitat is considered. Individuals attributed...

2014

Chemical Huff and Puff for Shale Oil Recovery Using Surfactants, Nanoparticles and Ketones

Ahmed Aboahmed, Kishore Mohanty

Unconventional Resources Technology Conference (URTEC)

..., and the limited drainage area (Kang et al., 2022). EOR techniques need to be developed to recover a part of the stranded oil in shales. A slight enhancement...

2025

Amplitude Recovery of Digitally Recorded Data

Roy O. Lindseth

Pacific Section of AAPG

... a signal which is a unique representation of the sedimentary section at that point. The desired information is superimposed on a transient response system...

1972

A more automated footprint removal for full-waveform inversion

David F. Halliday, James Xu, Soumya Roy

International Meeting for Applied Geoscience and Energy (IMAGE)

... reconstruction of the footprint, treating the footprint as a sparse signal to be reconstructed. To prevent signal leakage (e.g., due to blurring...

2024

Seismic signal considerations for fast reservoir characterization

Folkert Hindriks

International Meeting for Applied Geoscience and Energy (IMAGE)

...Seismic signal considerations for fast reservoir characterization Folkert Hindriks Seismic signal considerations for fast reservoir characterization...

2024

Havent I Seen That Somewhere Before?

David Sagi, Simon Campbell, Peter Webb

GEO ExPro Magazine

... in seismic sections as seaward-dipping reflectors. Figure 1: The Iberian continental margin. a) Analytic signal of total magnetic intensity. b...

2016

Multichannel compressive sensing for seismic data reconstruction using joint sparsity

Iga Pawelec, Michael Wakin, Paul Sava

International Meeting for Applied Geoscience and Energy (IMAGE)

..., acquiring non-aliased seismic data at high signal-to-noise ratio remains a challenge. Areas with restricted access, difficult terrain, and slow velocities...

2022

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)

Lynn Burroughs and Stewart Trickett

Search and Discovery.com

... ideal for performing prestack noise suppression. Here we show how to apply these methods in practise to improve signal-to-noise and prepare data...

2013

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)

Lynn Burroughs and Stewart Trickett

Search and Discovery.com

... ideal for performing prestack noise suppression. Here we show how to apply these methods in practise to improve signal-to-noise and prepare data...

2013

Abstract: Pseudo ARMA FX Deconvolution for Seismic Data Noise Reduction; #90174 (2014)

Mike Galbraith and Zhengsheng Yao

Search and Discovery.com

... signal which is generated by a conventional FX filter. A brief outline of FX filter With the assumption that each data point can be expressed...

2014

Abstracts: Automatic P-wave Arrival Time Picking Method for Seismic and Microseismic Data; #90173 (2015)

Jubran Akram

Search and Discovery.com

... that produces reasonably accurate results when tested on real microseismic dataset comprising of eight receivers with good and poor signal to noise ratio...

2015

Seismic Damage Zones and Their Impact within Thrust and Fault Systems; #41017 (2012)

David Iacopini and Rob W. H. Butler

Search and Discovery.com

... data volumes. In general, seismic attributes improve the signal interpretation and are calculated and applied to entire 3D post-stack seismic volumes...

2012

The Origin of the Millimeter-Scale Lamination in the Neoproterozoic Lower Beck Spring Dolomite: Implications for Widespread, Fine-Scale, Layer-Parallel Diagenesis in Precambrian Carbonates

Sean J. Loyd, Frank A. Corsetti

Journal of Sedimentary Research (SEPM)

... in Phanerozoic carbonate sequences. These studies include the development and enhancement of shale–limestone rhythmites (Hallam 1964; Arthur 1976; Arthur...

2010

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