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The AAPG/Datapages Combined Publications Database
Showing 34,496 Results. Searched 200,673 documents.
A Practical Discussion of 3D Seismic Surveys
Howell Pardue, Stephen Jumper, Frank Brown, Peter Morton
West Texas Geological Society
... has a number of benefits, a key one being the improvement of the reflected signal-to-noise ratio. In general, the higher the fold, the better...
1994
Effects of Temperature and Gas Pressurization on the Interpretation of NMR Hydrocarbon Measurements in Organic-Rich Shale
Son T. Dang, Carl H. Sondergeld, Chandra S. Rai
Unconventional Resources Technology Conference (URTEC)
... configuration (such as scanning frequency, echo spacing, signal to noise ratio, and magnetic field gradient) can make the comparison between laboratory...
2019
Dual-Detector Lithology Measurements with a New Spectral Density Log
W. E. Schultz, A. Nunley, J. G. Kampfer, H. D. Smith Jr., Verdun E. Rahal Jr.
Indonesian Petroleum Association
... sensitive lower energy range. The exact energy ranges used have been determined from analysis of spectral data to obtain maximum photoelectric signal to noise...
1985
Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico
Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen
International Meeting for Applied Geoscience and Energy (IMAGE)
... signal to noise ratio on the right. Joint deblending and de-signature With OBN data mentioned above, joint de-signature can be applied on TPS and airgun...
2023
Methods for reducing unwanted noise (and increasing signal) in passive seismic surveys
Tim Dean, Aidan Shem, Mus'ab Al Hasani
Petroleum Exploration Society of Australia (PESA)
..., Signal strength. If the signal, after the application of the effect of the geophone response, drops below the instrument noise level...
2018
Application of land multiple numerical simulation identification and well-driven suppression technology in ultra-deep layers of S Basin
Zhang Shurui, Zang Dianguang, Li Guangpeng, Diao Yongbo, Du Jiajun, Liu Shumin
International Meeting for Applied Geoscience and Energy (IMAGE)
... section) well curve has poor matching with the actual seismic data, The signal-to-noise ratio of the suppressed seismic data is significantly reduced...
2024
Elastic FWI imaging of a complex presalt structure using NATS data
Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno
International Meeting for Applied Geoscience and Energy (IMAGE)
..., internal multiple contamination, and low signal-to-noise ratio – is significantly improved with EFWI compared to the standard migration imaging...
2023
Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)
Andrew V. Barrett
Search and Discovery.com
... with surface-consistent deconvolution arising from the difficulty in determining the spectrum of the signal in noise-contaminated data. Some attempts have...
2014
Azimuthal Variations in Reflection Seismic Data: Measurements Governed by the In-Situ Horizontal Stress Field and/or Vertical Aligned Fractures
Heloise B. Lynn, Walter S. Lynn
West Texas Geological Society
... on their relative azimuths. The effect of the fractures and / or unequal horizontal stresses on the seismic signal depends on the relative scale length...
2006
Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation
Zhishuai Zhang, Jing Du, Fuchun Gao
Unconventional Resources Technology Conference (URTEC)
... the perforation shots, the perforation shots improved their event location estimation. The effect of perforations shots can also be seen from the velocity model...
2017
Learnings from the Marcellus Shale Energy and Environmental Lab (MSEEL) Using Fiber Optic Tools and Geomechanical Modeling
Rob Bohn, Robert Hull, Kirk Trujillo, Ben Wygal, Sergei G. Parsegov, Timothy Carr, BJ Carney
Unconventional Resources Technology Conference (URTEC)
... data. The engineered fibers were able to collocate microseismic events because of the high measurement resolution and high signal to noise ratio...
2020
High Resolution “Vibroseis” Data – Compressional and Shear-Wave Modes
D. E. Miller, D. E. Dunster
Pacific Section of AAPG
.... At the borehole, the P time to event A is 185 ms compared with 490 ms for shear waves. Thus, the Vs/Vp ratio for this interval is 185/490 = 0.378. Following...
1972
Understanding the Influence of Precambrian Crystalline Basement on Upper Devonian Carbonates in Central Alberta from a Geophysical Perspective
Darran J. Edwards,, R. James Brown
CSPG Bulletin
..., but line 5 lies about 28 km to the north of line RB. Seismically, the shallow crystalline basement is characterized by a low signal-to-noise ratio...
1999
Crustal thickness and velocity structure of southern Peninsular Malaysia
Abdul Halim Abdul Latiff, Amin Esmail Khalil
Geological Society of Malaysia (GSM)
... carried out, the signal to noise ratio (SNR) criteria of each of the waveform were analyze individually, with the receiver function’s SNR less than 5...
2018
Optimal Configuration and Information Content of Sets of Frequency Distributions
William E. Full , Robert Ehrlich, Stephen K. Kennedy
Journal of Sedimentary Research (SEPM)
... the number of counts decreases to the point that a signal may be indistinguishable from noise. OPTIMAL CONFIGURATION OF SPECTRA FOR INTERSAMPLE COMPARISON...
1984
Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 2: Three-Dimensional Seismic Monitoring of an Enhanced Oil Recovery Process
Robert J. Greaves, Terrance J. Fulp
AAPG Special Volumes
... ms and band-pass recording filters set a 50 Hz low-cut and 320 Hz antialias. The burial of both shots and receivers improved the signal-to-noise (S/N...
2011
Incorporating Artificial Intelligence into Traditional Exploration Workflows in the Cooper-Eromanga Basin, South Australia
H. M. Garcia, W. G. "Woody" Leel Jr., M. Riehle, P. Szafian
International Meeting for Applied Geoscience and Energy (IMAGE)
... to guarantee the best quality data was used in the subsequent processes. This workflow increased the signal-to-noise ratio and vertical resolution...
2021
Stability criteria for seismic data interpolation artificial neural networks
Yiying Xing, Wenlong Wang, Florian Bossmann, Xuexin An
International Meeting for Applied Geoscience and Energy (IMAGE)
... the signal-to-noise ratio (SNR) between the network’s output yi j and the target seismic data xi with added perturbations. Through this process, we...
2024
Carbonate Recent Discovery Unearthed: A Journey through Discovery, Challenges and Accomplishment
Nik Ros Afira Binti Nik Mustapha, Muhammad Aip, Varindra Pradhana, Hendra Iriansyah Darmawan, Nur Zarlina Binti A Rahman
Indonesian Petroleum Association
... ghosts that limit the frequency bandwidth, preserving low frequency components, and enhancing seismic signal to noise ratio. The 3D Seismic Reprocessing...
2024
Back to the Rocks: New Petrophysical Model for Siliciclastics Engaging Old Petrological Techniques, #10346 (2011)
Melissa Vallee
Search and Discovery.com
... the signal/noise ratio for minerals like quartz and kaolinite/chlorite were acceptable, the signal/noise ratio for chlorite was very low as a result...
2011
Abstract: Stratigraphic Details Illuminated Using Modern 3D Seismic Techniques in Upper Cretaceous Lenticular Reservoirs, Optimizing EOR Production in the Gulf Coast with CO2
Jim Mulligan and Bob Schellhorn
Houston Geological Society Bulletin
... accomplished by seismically picking a regional conformable stratigraphic event below the Lower Tuscaloosa reservoirs, flattening on that picked event...
2010
ABSTRACT Stratigraphic Details Illuminated Using Modern 3-D Seismic Techniques in Upper Cretaceous Lenticular Reservoirs, Optimizing EOR Production with CO2, #90104 (2010)
Mulligan Jim; Schellhorn Bob
Search and Discovery.com
... effect on flood performance. This realization resulted in a proprietary 3D seismic plan in an effort to optimize well locations by accurately...
2010
Interpretation of 3-D Data in Delineating a Subunconformity Trap in Block 34/10, Norwegian North Sea
G. T. Saeland, G. S. Simpson
AAPG Special Volumes
.... For example, the increased resolution and improved signal-to-noise ratio of the 3-D data made it possible to interpret many small-scale faults within...
1982
Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir
Surabhi Mishra
Petroleum Exploration Society of Australia (PESA)
... and azimuth. The original data acquisition is designed to record high folds and high Signal to noise (S/N) ratio. When measured, the anisotropy can yield...
2018
Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)
Aaron Stanton
Search and Discovery.com
... Summary Converted waves suffer from a low signal to noise ratio and stronger aliasing than P-waves. These characteristics are problematic when...
2015