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The AAPG/Datapages Combined Publications Database
Showing 18,871 Results. Searched 201,044 documents.
Elastic Wave Propagation Mechanisms in High-Temperature Deep Hydrocarbon Reservoirs Exhibiting Three-Phase Fluids
Jidong Gao, Bin Yuan, Wei Zhang, Hongbin Zhang, Caili Dai, Baohua Wang, Yuyang Liu
Unconventional Resources Technology Conference (URTEC)
... across the full frequency spectrum. Fig. 2 compares the P-wave velocity and attenuation characteristics predicted by the URTeC:4263025 12 BRST, BR...
2025
High-Frequency Cyclicity in the Mediterranean Messinian Evaporites: Evidence for Solar–Lunar Climate Forcing
Vinicio Manzi, Rocco Gennari, Stefano Lugli, Marco Roveri, Nicola Scafetta, B. Charlotte Schreiber
Journal of Sedimentary Research (SEPM)
...High-Frequency Cyclicity in the Mediterranean Messinian Evaporites: Evidence for Solar–Lunar Climate Forcing Vinicio Manzi, Rocco Gennari, Stefano...
2012
Hurricane Impact Analysis of a Louisiana Shallow Coastal Bay Bottom and Its Shallow Subsurface Geology
Angelina M. Freeman, Harry H. Roberts, Patrick D. Banks
GCAGS Transactions
... format) image with 0.7 ft (0.2 m) resolution in both latitude and longitude. Full Spectrum Subbottom Profiler High frequency chirp produces high...
2007
Detection of Sedimentary Cyclicity and Stratigraphic Completeness by Wavelet Analysis: An Application to Late Albian Cyclostratigraphy of the Western Canada Sedimentary Basin
Andreas Prokoph , Frederik P. Agterberg
Journal of Sedimentary Research (SEPM)
... the characteristic frequency so that varying a gives rise to a "spectrum"; b represents translation in time, and varying b yields the "sliding window...
1999
Chapter 7: Curie Point Depths in Northwestern South America and the Southwestern Caribbean Sea
Carlos A. Vargas, Javier Idarraga-Garcia, Juan M. Salazar
AAPG Special Volumes
...), the depth to the centroid is calculated from the slope of an azimuthally averaged frequency-scaled Fourier spectrum in the low wavenumber region...
2015
Lineament Patterns from Radar Imagery in Alaska, Arizona, California, and Montana
Ron Gelnett
Utah Geological Association
... and format of the imagery used. Various kinds of aerial photography, recorded primarily in the visual portion of the electromagnetic spectrum, have been used...
1974
ABSTRACT: Experience of high-frequency seismic data processing in the Black Sea offshore; #90109 (2010)
Mikhail Simachenko
Search and Discovery.com
...ABSTRACT: Experience of high-frequency seismic data processing in the Black Sea offshore; #90109 (2010) Mikhail Simachenko Experience of high...
2010
Revealing the subsalt in Garden Banks with a sparsely-shot TPS OBN and FWI
Michael Merritt, Guido Baeten, Vishram Rambaran, Karen Godfrey, Kevin Bianchini, Tara Brothers, Frederic Chelminski, Alex Hao, Huawei Gao, Yingxue Su, Zhiyuan Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
... the frequency spectrum of the TPS OBN data. (f)-(g) show the phase rings of frequency at 0.8 Hz, 1.0 Hz, and 1.2 Hz, respectively. Coherent energy becomes...
2024
Application of Artificial Intelligence Tools for Fault Imaging in an Unconventional Reservoir: A Case Study from the Permian Basin
H. Garcia, L. Plant
Unconventional Resources Technology Conference (URTEC)
... and applied several of the more established techniques: data conditioning and frequency decomposition to push the resolution of the seismic data. Noise...
2021
Filtering of Depositional Events and the Completeness of Sedimentary Sequences
Kevin D. Crowley
Journal of Sedimentary Research (SEPM)
... in Figure 2 can be represented mathematically by applying a linear, stationary low-pass filter to the frequency spectrum represented by the lognormal...
1984
Characterization of Shale Oil Rocks Using Retort and Nuclear Magnetic Resonance
Boyang Zhang, Jinhong Chen
Unconventional Resources Technology Conference (URTEC)
... Instruments. The resonance frequency was 2 MHz and inter-echo spacing (TE) was 0.1 ms. The NMR data were collected at ambient conditions...
2014
Analysis of Modern Equatorial Tidal Periodicities as a Test of Information Encoded in Ancient Tidal Rhythmites
Allen W. Archer, Erik P. Kvale, Hollis R. Johnson
CSPG Special Publications
... R. Johnson 1991 189 196 Modelling of tidal rhythmites based on modern tidal data, including a spectrum of diurnal to semidiurnal settings, allows...
1991
Porosity Partitioning and Permeability Quantification in Vuggy Carbonates, Permian Basin, West Texas, U.S.A.
Chunming Xu
AAPG Special Volumes
... variation around the borehole. The frequency histogram or spectrum of the porosity variation in each sliding window of 1-in. (25-mm) interval...
2010
Late Devonian Carbonate Margins and Foreslopes of the Lennard Shelf, Canning Basin, Western Australia, Part B: Development During Progradation and Across the Frasnian–Famennian Biotic Crisis
Ted E. Playton,, Charles Kerans
Journal of Sedimentary Research (SEPM)
... followed by a gradation from silt-dominated deposits into grain-dominated deposits; we here interpret these as the expression of high-frequency sequences...
2015
Into the Abyss!
William Wills
GEO ExPro Magazine
... been done to ensure the Geophones (traces 2 and 4). The magnitude spectrum shows a ~6 dB differential in signal to noise immense borehole fluid...
2012
Angola Kwanza Basin: Sub-Salt Plays of the Ultra-Deep Water
Gregor Duval, Jaswinder Mann, Lauren Houston, CGG
GEO ExPro Magazine
... of the edges of salt bodies due to the higher-frequency content, as seen from the figure on the right. For example, Angola Block 21 is located...
2013
Multichannel Profiles Collected in 1982 in the Tonga Region of the South Pacific
Dennis M. Mann
Circum Pacific Council Publications
... adjusted to a desired depth. Since their frequency ranges from a few to several hundred hertz, airguns are well suited for upper crustal reflection...
1985
Deep water OBN multiple prediction from local reflectivity in the Stolt domain
Cesar Ricardez
International Meeting for Applied Geoscience and Energy (IMAGE)
... as deconvolutional methods, exclusively leverages data within the node itself to predict multiples, commonly in the Frequency-Kx-Ky (FKK) or Tau-Px-Py domains. One...
2024
Optical Data Processing of Multispectral Photographs of Sedimentary Structures
Howard J. Pincus , Syed A. Ali
Journal of Sedimentary Research (SEPM)
... p. DOBRIN, M. B., INGALLS, A. L., AND LONG, J. A., 1965, Velocity and frequency filtering of seismic data using laser light: Geophysics, v. 30, p...
1968
Well Log Analysis and Seismic Attenuation in a Heavy Oilfield: Ross Lake, Saskatchewan; #20294 (2015)
Zimin Zhang, Robert Stewart
Search and Discovery.com
... the levels were calculated using a 500ms window on down-going P and down-going shear-waves respectively. Considering the signal-to-noise ratio, frequency...
2015
Seismic Methodologies Adapted for Use in Acoustic Logging, #41666 (2015).
Shreya B. Ley, Partha Biswas
Search and Discovery.com
... and filtered in frequency. Also the frequency spectrum is analyzed to ensure that the compressional BLIND TEST This was a blind test in Eagle Ford...
2015
Wave Climate Effects Upon Changing Barrier Island Morphology, Kouchibouguac Bay, New Brunswick
Edward Bryant
Atlantic Geology
... and sub sequent barrier accretion. These large scale, plan form changes may have been initiated by low frequency, high magnitude events. Such events...
1978
Innovative High Trace Density Design with Broadband Seismic Data Acquisition in the CooperEromanga Basins, Australia
John Archer, Milos Delic, Frank Nicholson
Australian Petroleum Production & Exploration Association (APPEA) Journal
..., the low-frequency spectrum is superior to the Inova AHV-IV 364 vibrators, and achieved without the associated time penalty of a low-dwell sweep. Field test...
2018
Constrained tomography for improved presalt elastic full-waveform inversion
Yaofeng He, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Carey Marcinkovich
International Meeting for Applied Geoscience and Energy (IMAGE)
... broader frequency spectrum than seismic data, where the high frequency component of sonic log data is generally related to the amplitude response...
2022
Geophysical Techniques in the Study of Hydrocarbon-Contaminated Soil
Umar Hamzah, Mohd Azmi Ismail, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
.... The penetration capabilities of GPR are site specific and depend upon the frequency spectrum of the source excitation signal, the antenna radiation...
2008