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 18,835 Results. Searched 200,630 documents.

< Previous   50   51   52   53   54   Next >

Ascending

Abstract: A study of Spectral Broadening Methods for Multicomponent Data; #90174 (2014)

Chuck Ursenbach, Peter Cary, and Mike Perz

Search and Discovery.com

... data) is its poor resolution compared to PP data. Even after squeezing PS data from PS to PP time, the frequency content of the PS data is typically...

2014

Petrography of a Carbonate Transgressive-Regressive Sequence: The Bird Spring Group (Pennsylvanian), Arrow Canyon Range, Clark County, Nevada

Christopher P. Heath, David N. Lumsden, Albert V. Carozzi

Journal of Sedimentary Research (SEPM)

... were measured: frequency and clasticity of crinoid fragments, oolites, pellets (fecal, lithic and algal coated) and detrital quartz; frequency of debris...

1967

Chapter Eight: Horizon and Formation Attributes

Alistair R. Brown

AAPG Special Volumes

... and notionally force-fit the spectrum to yield three maxima. First dominant frequency should primarily express the properties of the wavelet. Second...

2011

Comparison of Sand-Layer Geometry on Flat Floors of 10 Modern Depositional Basins

Orrin H. Pilkey , Stanley D. Locker , William J. Cleary

AAPG Bulletin

... 856 64 6. (June) A comparative study of 10 deep turbidite basins indicates that sand-layer thickness, frequency, and continuity can be related...

1980

Seismic speckle as multiplicative noise explaining land reflections distorted by near-surface scattering

Andrey Bakulin, Dmitry Neklyudov, Ilya Silvestrov

International Meeting for Applied Geoscience and Energy (IMAGE)

... stacked (red) spectrum tracks the “clean” (blue) spectrum in low and mid-frequency intervals, whereas two curves diverge at higher frequencies as expected...

2022

Physics-based preconditioned multidimensional deconvolution in the time domain

David Vargas, Ivan Vasconcelos, Matteo Ravasi, Nick Luiken

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the frequency-wavenumber domain to constrain the spectrum of our solution in a way that it remains within the expected signal cone and rejects...

2022

Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling

Yue Ma, Yujin Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... an adaptive thresholding method in the localized frequency-wavenumber (f-k) domain of prestack seismic gathers. The propose method is effective...

2022

Robust reconstruction via orthogonal matching pursuit with Fourier operators

Ji Li, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... use the Fourier operator work on the frequency-space ( f −x) domain. Seismic data are transformed from the time-space (t − x) domain...

2022

Seismic response analysis of thin coals

Yijun Xi, Xingyao Yin

International Meeting for Applied Geoscience and Energy (IMAGE)

.... (2021) screened out the seismic frequency band sensitive to the underlying sandstone in the coal bearing formation through the spectrum decomposition...

2022

Laboratory Experiments and Numerical Simulation on Bitumen Saturated Carbonates: A Rock Physics Study for 4D Seismology

Arif Rabbani, Jason Nycz, Zizhen Wong, Doug Schmitt, Ken Gray

Petroleum Exploration Society of Australia (PESA)

... method indicate its strong dependency on viscosity of pore fluid and (or) the frequency. Key words: Rock Physics, Bitumen, Carbonates, 4D Seismology...

2016

Numerical experiments to characterize P-wave attenuation in partially saturated non-isothermal porous media

Naddia D. Arenas, Gabriela B. Savioli, Juan E. Santos, José M. Carcione

International Meeting for Applied Geoscience and Energy (IMAGE)

... and frequency shift methods were used to estimate the quality factor Q. In the numerical examples thermal effects are considered (coupled Case) or omitted...

2023

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... to provide greater signal content at the low end of the frequency spectrum, vital for better deep data imaging and interpretation. The deghosting...

2016

Phase pilot recovery: A foundation for mitigating speckle scattering noise in seismic data

Akshika Rohatgi, Andrey Bakulin, Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... traces, providing insights into the necessary ensemble size for desired phase recovery quality. However, the pronounced frequency dependency adds...

2024

The application of simultaneous source technology to conventional acquisition

Ray Abma

International Meeting for Applied Geoscience and Energy (IMAGE)

... processing are suggested here. The first is muting the area of the low-frequency part of the FK domain that should not contain signal. The second enhancement...

2024

Geophysical Monitoring with Seismic Metamaterial Contrast Agents

Quin R. S. Miller, H. Todd Schaef, Satish K. Nune, Ki Won Jung, Jeffrey A. Burghardt, Paul F. Martin, Matthew S. Prowant, Kayte M. Denslow, Chris E. Strickland, Manika Prasad, Mathias Pohl, Piyoosh Jaysaval, B. Peter McGrail

Unconventional Resources Technology Conference (URTEC)

.... Abstract Acoustic impedance tube and forced-oscillation seismic core test measurements were conducted to examine the low-frequency properties...

2019

Recursive Inversion and Attribute Analysis of 3D Seismic Data Over a Four-Way Dip Structure, Gulf of Thailand

S. Thanatit, S. Ronghe

Indonesian Petroleum Association

... attributes (essentially amplitude, frequency, and phase). The attributes, either independently or in combination, can provide information about...

1999

Abstract: Inexact Full Newton Method for Full Waveform Inversion Using Simultaneous Encoded Sources; #90187 (2014)

Amsalu Y. Anagaw and Mauricio D. Sacchi

Search and Discovery.com

... full Newton optimization method for the full waveform inversion algorithm in the frequency domain which utilizes simultaneous sources based upon...

2014

Source location using physics-informed neural networks with hard constraints

Xinquan Huang, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

...) as: The frequency domain wavefield in a 2D acoustic, constant density and isotropic medium, u(x, z, w), satisfies the following equation: L = w2 u(x, z, w) + —u(x...

2022

Advances in Sonic Logging … A New 3 Dimensional Acoustic Log Measurement

Frank Wijnands

Indonesian Petroleum Association

... data acquisition. The sonic scanner can even acquire high frequency seismic reflection surveys, with its monopole source and receivers both placed...

2007

High Resolution Interpretation in the Llanos Basin, Colombia

Germán Rodriguez, Hermes Garzón, Jaime A. Stein, Scott Humphrey, Guillermo Fajardo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in the signal, (Smith et.al. first break volume 26, June 2008). Harmonics are integer multiples of a fundamental frequency while sub-harmonics are integer...

2009

Attenuation of Marine Coherent Noise – A Processing Case History in the East China Sea

Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder

Southeast Asia Petroleum Exploration Society (SEAPEX)

... to use frequency-wavenumber filtering to remove all the low time dip noise events without attenuating the good reflections as well. It is also unacceptable...

1990

EXTENDED ABSTRACT: High-Resolution Regional Sequence Stratigraphic Framework of Aptian through Coniacian Strata in the Comanche Shelf, Central and South Texas

Ryan M. Phelps, Charles Kerans, Robert G. Loucks

GCAGS Transactions

... and illustrate isochronous lithofacies relationships within a 30 m.y. time frame from the Barremian through Coniacian. Approximately 50 high-frequency...

2010

EXTENDED ABSTRACT: Stuart City Margin Architectural Variability and the Effect of Regional Structural Heterogeneity

Ryan M. Phelps, Charles Kerans, Lowell Waite, Chris Zahm

GCAGS Transactions

... to the shelf interior is similar along the shelf margin. Furthermore, distinct types of high-frequency cycles are partitioned in different locations along dip...

2010

Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures

Robert Dennison

Indonesian Petroleum Association

... the reciprocal i.e. i/f, of every frequency point. Once G(w) had been computed an Inverse Fourier Transform converts the wavelet spectrum back into the time domain...

1984

Potential of FWI imaging for shallow turbidite shadow zone: A case study

Swarup Sarkar, James Sheng, Faqi Liu, Daniel Davies, Roy Ha

International Meeting for Applied Geoscience and Energy (IMAGE)

... frequency bands. During the inversion, proper QC was performed to ensure the convergence in both data domain and image domain, where data domain QC...

2023

< Previous   50   51   52   53   54   Next >