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The AAPG/Datapages Combined Publications Database
Showing 23,046 Results. Searched 195,387 documents.
Statistical Time-Series Analysis and Sedimentological Tuning of Bedding Rhythms in a Triassic Basinal Succession (Southern Alps, Italy)
Florian Maurer, Linda Hinnov, Wolfgang Schlager
Special Publications of SEPM
... of facies, sediment sources, and transport mechanisms formed the basis of the statistical analysis of bedding rhythms that are based on a grayscale...
2004
Abstract: Hoadley Microseismic Experiment: Reprocessing and Characterization of Long-Duration Tremor Signals; #90224 (2015)
Enrico Caffagni and David W. Eaton
Search and Discovery.com
...., 1994). The Hoadley barrier represents a southwest-to-northeast trending marine barrier bar system that marks the northern limit of continental...
2015
Abstract: Analysis of the Low Frequency Content of Seismic Data Acquired During an Experiment at Hussar, Alberta, Canada; #90187 (2014)
J. Helen Isaac, Gary F. Margrave, Monika Deviat, and Pam Nagarajappa
Search and Discovery.com
... the data show good coherency at the lowest frequencies of 1-5 Hz. Effective noise attenuation appears to be the greatest factor in attaining high coherency...
2014
Improved Methodology for Using Embedded Markov Chains to Describe Cyclical Sediments
Dennis W. Powers, Robert G. Easterling
Journal of Sedimentary Research (SEPM)
... the normalized differences between observed and expected frequencies, as we discuss below, one can identify the sources of the nonhomogeneity. Another aid...
1982
Integrated Quantitative Stratigraphy of the Cenomanian-Turonian Bridge Creek Limestone Member Using Evolutive Harmonic Analysis and Stratigraphic Modeling
Stephen R. Meyers , Bradley B. Sageman , Linda A. Hinnov
Journal of Sedimentary Research (SEPM)
... periodicities representing precession, obliquity, and eccentricity to the dominant spatial frequencies in the datasets was possible because of a high...
2001
Semi-Analytical Approach of Optimum Vibration Frequency Determination That Gives Maximum Improvement on Reservoir Rock Porosity
Mursalim Mardin, Tutuka Ariadji
Indonesian Petroleum Association
... also forecast other optimum vibration frequencies at higher frequency ranges; that is, optimum or dominant frequencies could be predicted in every...
2005
Tintinnids in Shelf Sediments from Alaska, Oregon, and California: ABSTRACT
R. J. Echols, G. A. Fowler
AAPG Bulletin
... Ocean and Bering Sea, whereas Stenosemella ventricosa is dominant in the sublittoral region off northern California and Oregon. Species <63...
1972
Abstract: A Generic Procedure for Noise Suppression in Microseismic Data; #90187 (2014)
Yessika Blunda and Kit Chambers
Search and Discovery.com
... ringing as well as stationary and transient correlated noise. The procedure consists of two steps; firstly, large errant frequencies are suppressed using...
2014
Recommendations From Error Analysis of Single Well Microseismic Data With Full-Wavefield Moment Tensor Inversion: A Case Study
Juan M. Lorenzo, Trudy L. Watkins, Arash Dahi Taleghani
Unconventional Resources Technology Conference (URTEC)
... if sourcereceiver distances are small. The tested locations and dominant source frequencies of the synthetic seismograms used for analysis resemble the expected...
2017
Chapter 4: Synthetic Seismograms and Their Uses
Tom Wittick
North Texas Geological Society
... reflector at a specific depth. In most cases the difference in acoustic velocity between rocks is the dominant factor in determining the reflection...
1992
Synthetic Seismograms and Their Uses
Abilene Geological Society
... depth. In most cases the difference in acoustic velocity between rocks is the dominant factor in determining the reflection coefficient and the density...
1993
Revealing a Shaly (Tight) Sand Reservoir's Distribution by Applying an Untapped Sub-Frequency Combination Method: A Case Study in the West Jambi II Block, South Sumatra Basin
Indra Luthfiana, C. Maya Resha Tuhar, Endi Erfanto, Randy Condronegoro, Hendra Niko Saputra, Abghia Dini Fanzuri, Yan Wijaya, Totok Parafianto
Indonesian Petroleum Association
... compression in Early Miocene. The continuation of a transgressive phase generated marine shale, siltstone and sandstone. The G4 Level, as part of the interested...
2018
Sediment-Foraminiferal Relations within Inner Sublittoral Zone off Coast of Washington: ABSTRACT
Ronald J. Echols, Sarah S. Barnes, Robert A. Harman
AAPG Bulletin
... of the Columbia River and Grays Harbor where dominantly arenaceous assemblages occur nearshore. The dominant arenaceous species generally is Eggerella...
1969
Detection of Astronomical Cycles in the Stratigraphic Record by Frequency Modulation (Fm) Analysis
Linda A. Hinnov , Jeffrey Park
Journal of Sedimentary Research (SEPM)
... spectrum model included for comparison exhibits only two dominant frequencies over this window length (0.97 My) at 1/21.5 ky and 1/17.1 ky (the Jurassic...
1998
Characterisation of focused gas hydrate accumulations from the Pegasus Basin, New Zealand, using high-resolution and conventional seismic data
Andrew R. Gorman, Patrick T. Fletcher, Dylan Baker, Douglas R.A Fraser, Gareth J. Crutchley, Stuart A. Henrys
Petroleum Exploration Society of Australia (PESA)
... sources used. We present preliminary results from an academic high-resolution generator-injector (GI) airgun seismic survey, undertaken in mid 2015...
2018
Application of Visco-Acoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data, #41802 (2016).
Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones
Search and Discovery.com
... are the dominant effects of Q at low frequencies. The sensitivity analysis reveals that compared with the Q fields, the velocity fields dominate the data misfit...
2016
Observations of geophone spurious resonance
Steve Hearn, Shaun Strong, Andrew Kinmont
Petroleum Exploration Society of Australia (PESA)
... conventional 10 Hz geophones, and from 5 Hz and 10 Hz high-output nodal sensors. High-frequency noise sources, including high-voltage harmonics can...
2019
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... the overburden layer (overburden effect). Notice the amplification of frequencies other than the dominant frequency of the source wavelet (ricker wavelet...
2013
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... the overburden layer (overburden effect). Notice the amplification of frequencies other than the dominant frequency of the source wavelet (ricker wavelet...
2013
Abstract: High-Resolution 3D Imaging of Quaternary Channelization: Offshore San Luis Pass, Texas
Dallas Dunlap
GCAGS Transactions
...) The proliferation of high-quality marine seismic data as well as advanced interpretation and computing workflows have been key drivers for the dramatic gains...
2014
High-resolution 3D Imaging of Quaternary Channelization, Offshore San Luis Pass, Texas
Search and Discovery.com
N/A
Angola Kwanza Basin: Sub-Salt Plays of the Ultra-Deep Water
Gregor Duval, Jaswinder Mann, Lauren Houston, CGG
GEO ExPro Magazine
... salt-related structures. Colour blend 3D visualisation of 2.5 Hz, 8 Hz and 15 Hz dominant frequencies, highlighting Upper Broadband seismic data has...
2013
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)
... of typically f0~0.25Hz is used in marine CSEM surveys, which naturally leads to a the occurrence of odd harmonic frequencies of the base frequency (2n+1...
2009
Abstract: Sediment-dispersal Systems of the Mexican Interior Basin: Late Cretaceous-Paleogene Source-to-Sink Analysis of Northern and Central Mexico; #90289 (2017)
Tim Lawton
Search and Discovery.com
... it was coextensive, in having a dominant volcanic-lithic component in all of its sandstones. Petrographic analysis and detrital zircon data indicate...
2017
Abstract: Enhancing Stratigraphic Features by Spectral Decomposition, Case Studies from Saudi Arabia; #90319 (2018)
Schuman Wu
Search and Discovery.com
...) extract frequency horizons to make RGB-blended maps of three frequency horizons with low, intermediate, and high dominant frequencies to reveal...
2018