Click to minimize content

Welcome to the new Datapages Archives

Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.

AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.

Click to maximize content

Welcome to the new Datapages Archives

Search Results   > New Search > Revise Search

The AAPG/Datapages Combined Publications Database

Showing 5,195 Results. Searched 200,756 documents.

< Previous   12   13   14   15   16   Next >

Ascending

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

... a synthetic data example in which the input data have been regularly decimated. We find several advantages to our approach when compared with Fourier...

2015

Quantifying Roundness of Detrital Minerals By Image Analysis: Sediment Transport, Shape Effects, and Provenance Implications

Alberto Resentini, Sergio AndÒ, Eduardo Garzanti

Journal of Sedimentary Research (SEPM)

... to the profile Fourier coefficients: Powder Technology, v. 18, p. 19–25. Blatt, H., 1978, Sediment dispersal from Vogelsberg Basalt, Hessen, West Germany...

2018

Continuous Sea-Floor Spreading in Red Sea: An Alternative Interpretation of Magnetic Anomaly Pattern

J. L. Labrecque , N. Zitellini

AAPG Bulletin

...) = inverse Fourier transform of A(k), the anomaly spectrum; F(k) = earth and phase filters (Schouten and McCamy, 1972), which express the effects...

1985

Abstract: Curvelet Denoising: Application to Crustal Reflection Data; #90171 (2013)

Jounada Oueity, Vishal Kumar, Ron Clowes and Felix Herrmann

Search and Discovery.com

... the noise suppression. The problem can be cast as an inverse one and the solution is found by updating results at each iteration. In this work, we extend...

2013

Bouguer Gravity Anomalies and Crustal Structure in Northwestern Mexico: Chapter 11: Part III. Regional Geophysics and Geology

Robert Wayne Schellhorn, Carlos L. V. Aiken, Mauricio F. de la Fuente

AAPG Special Volumes

... Trip Guidebook, p. 59-68. Ben-Avraham, Z., Z. Garfunkel, G. Almagor, and J. K. Hall, 1979, Continental breakup of a leaky transform: The Gulf of Elat...

1991

Automating the thresholding of multi-stage iterative source separation with priors using machine learning

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

International Meeting for Applied Geoscience and Energy (IMAGE)

... iterative source separation with priors (MS-ISSP) for seismic deblending. From the frequency-wavenumber (FK) transform of seismic data with interference noise...

2024

Multilayer perceptron and Bayesian neural network based implicit elastic full-waveform inversion

Tianze Zhang, Jian Sun, Daniel O. Trad, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion (FWI) is an optimization based inverse procedure with the capacity to produce high-resolution velocity models and subsurface images (Virieux...

2022

Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)

Xinxiang Li, Peter Cary, and Rodney Couzens

Search and Discovery.com

...) in the Fourier domain. The conjugate transpose of a time shift matrix is again its inverse matrix. Replacing the rotation matrix with a time-shift...

2015

Subsurface temperature from seismic reflections: Application to the post-breakup sequence offshore Namibia

Arka Dyuti Sarkar and Mads Huuse

AAPG Bulletin

... to derive thermal conductivity through an empirical transform. This empirical relationship relating acoustic velocity and thermal conductivity...

2023

Multiscale (nano to mm) Porosity in the Eagle Ford Shale: Changes as a Function of Maturity

Lawrence M. Anovitz, David R. Cole, Alexander M. Swift, Julia Sheets, Harold W. Elston, Susan A. Welch, Steve J. Chipera, Ken C. Littrell, David F. Mildner, Matthew Wasbrough

Unconventional Resources Technology Conference (URTEC)

... et al. (2013a). This approach calculates the autocorrelation curve from such images, the Fourier transform of which provides a further extension...

2014

Relating Electrical Resistivity to Permeability Using Resistor Networks

Alison Kirkby, Graham Heinson, Lars Krieger

Petroleum Exploration Society of Australia (PESA)

... self-similar fracture surfaces, which uses the inverse Fourier transform to generate fractures with power spectral density functions described...

2016

Ergodic Sampling: A New Data Acquisition Method to Gather More Information

Mengli Zhang, Yaoguo Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the transform domain when sampling a signal. SRF(i, j; i0 , j0 ) = |FFF 1 I (i i0 , j j0 )| (1) where F and F 1 denote respectively the 2D Fourier...

2023

Mapping of Salt Structures in the Gulf of Mexico Using Marine CSEM

J.J. Zach, M.A. Frenkel, P. Lindhom, A.M. Ostvedt-Ghazi, A. Kumar, T. Pham

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... study presented below, showing a finite source switching time of 90 ms. DATA DEMODULATION AND NOISE EXTRACTION A short-time Fourier transform...

2009

Porosity Calibration of Modern Porosity Logs and Old Neutron Logs, Mabee Field, Andrews and Martin Counties, Texas

Dennis W. Dull

West Texas Geological Society

... The log porosities were transformed to core porosity by using the slope and y-intercept for the contoured values and applying that transform...

1992

Abstract: Simultaneous Source Separation Via Robust Time Variant Radon Operators; #90187 (2014)

Amr Ibrahim and Mauricio D. Sacchi

Search and Discovery.com

...) and was latter applied to time-invariant operators by Sacchi and Ulrych (1995). In essence, Radon operator is posed as an inverse problem with sparsity...

2014

Data-embedded physics-informed neural network for electromagnetic wave propagation simulation: Potentials and challenges

Yawei Su, Wenyi Hu, Jiefu Chen, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... differential equation. To investigate the potential of PINN on inverse problems and to alleviate its drawbacks. We implemented a dataembedded PINN which...

2024

Porosity Calibration of Modern Porosity Logs and Old Neutron Logs, Mabee Field, Andrews and Martin Counties, Texas

Dennis W. Dull

Houston Geological Society Bulletin

... that transform to that specific well. In other words, instead of one transform for all the wells logged by a specific logging company, there would...

1993

Fusion of Airborne Gravity and Magnetic Images for Improved Detection of Structural Control; #41550 (2015)

Hassan Hassan, John Peirce

Search and Discovery.com

... the inverse wavelet transform to obtain the fused image. 4. Filter the resulting image and interpret for structural control. Results The final fused gravity...

2015

Magnetic Anomalies of the Northern Gulf of California: Structural and Thermal Interpretations: Chapter 22: Part III. Regional Geophysics and Geology

O. Sanchez-Zamora, P. Doguin, R. W. Couch, G. E. Ness

AAPG Special Volumes

... in calculations made by using the two-dimensional fast Fourier transform method for obtaining the power spectrum. Estimates of Curie-point isotherm depths obtained...

1991

Density and mineralogy variations as a function of porosity in Miocene Monterey Formation oil and gas reservoirs in California

Caren Chaika, Loretta Ann Williams

AAPG Bulletin

... of rapid mineral analysis provided by Fourier transform infrared spectroscopy (abs.): Society of Petroleum Engineers 63rd Annual Technical Conference...

2001

Mapping Rock-Property Changes and Fluid Migration Due to Hydraulic Fracturing

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... is the wavefield, a(x) represents the spatial distribution of the source-time-function amplitude, and F −1 represents the inverse Fourier Transform...

2020

Rheological and Chemical Properties of Alaska Heavy Oils

Matthew W. Liberatore, Andrew M. Herring, Kejing Li, Ala Bazyleva, Babajide Akeredolu, Manika Prasad, Michael Batzle

Unconventional Resources Technology Conference (URTEC)

... in heavy oils using pyrolysis molecular beam mass spectrometry (MBMS), attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR...

2013

Abstract: An Analysis of the Benefits of 3D Pre-Stack Time Migration (Paper 11)

Peter Whiting

Geological Society of Malaysia (GSM)

... the migrated gathers and either applying a residual migration or a combination of inverse migration and complete re-migration. Before the gathers...

1996

High Resolution Aeromagnetics as an Aid to Structural Interpretation Over the Muturi PSC, Irian Jaya

Neil A. W. Moig

Indonesian Petroleum Association

... wavelengths overlap, and the best that can really be performed is to isolate responses over a particular depth range. From the fourier transform...

1994

Seismic Data Processing For a Crucial 2014 2D Seismic Data Acquisition Decision in S Area, South Sumatra Block, South Sumatra, Indonesia

Gerry R. Hutabarat, Danar Yudhatama, Erwin Kusumah, Yusnita Yunus, Stephen M. Scott

Indonesian Petroleum Association

...; once forward in space and once backwards. The two predictions are summed, the inverse Fourier transforms applied, and the windows merged back...

2015

< Previous   12   13   14   15   16   Next >