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The AAPG/Datapages Combined Publications Database
Showing 17,461 Results. Searched 195,364 documents.
Current and future multicomponent towed streamer design
Nicolas Goujon, Susanne Rentsch, Leendert Combee, Fabien Guizelin, Khairul Faizi Ahmad
Petroleum Exploration Society of Australia (PESA)
... and maximum frequency (under the same towing conditions) depends on the mechanical properties of the cable, and that they could be reduced by using a new...
2019
Optimised 3D Land Geophysical Survey Design - A Case Study
P. van Baaren
Papua New Guinea (PNG) Petroleum Convention Proceedings
... the maximum trace spacing which will not alias in migration, V the velocity (interval at the target or average velocity), fm the ax maximum frequency...
2000
Higher Trace Density Recording for Foothills 3D Surveys
R. Malcolm Lansley
Search and Discovery.com
... density recording are two-fold: first, finer spatial sampling (i.e. smaller bin size) that reduces the liklihood of aliasing either steeply dipping...
Unknown
Higher Trace Density Recording for Foothills 3D Surveys
R. Malcolm Lansley
Search and Discovery.com
... density recording are two-fold: first, finer spatial sampling (i.e. smaller bin size) that reduces the liklihood of aliasing either steeply dipping...
Unknown
Extending the Resolution of Seismic Reflection Exploration
L. R. Denham
Pacific Section of AAPG
...–such as wavelet processing and attribute analysis– have made it possible for us to use amplitude, phase, velocity, and frequency information...
1980
Delineating Fractures from Seismic Attributes; #110124 (2010)
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
... • Obstacles such as lakes, villages, or platforms • Currents and tides Problems due to processing • Incorrect velocities • Migration operator aliasing...
2010
Enhancing Pre-Stack Seismic Inversion Using Neural Networks for Clastic Reservoir Characterization Simian Field, Offshore Nile Delta, Egypt; #20413 (2018)
Wael Said, Islam A. Mohamed, Ahmed Ali
Search and Discovery.com
..., and filtering the log data to the seismic frequency range (high pass 120 Hz and high cut 130 Hz) so that aliasing is avoided when down-sampling log data...
2018
Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field
C. R. Willingham, A. S. Wylie Jr., D. J. Underwood
Pacific Section of AAPG
... of the spacing between the groups. To retain the effectiveness and prevent aliasing of returns from dipping structure, the arrays, in these areas, were...
2001
A Comparative Study of 3-D Noise Attenuation Techniques
Daniel Wheaton, Yendri, Kusnarya
Indonesian Petroleum Association
... and coherent noise are studied. Predictive filtering in the f-x (frequency - space) domain for random noise suppression may be applied post stack as either...
1996
Section Five: Use of Gravity Methods on Diapiric Structures
New Orleans Geological Society
... aliasing (distortion due to sampling frequency) of the data. Once station spacing has been determined, the entire survey should be metered on a square...
1995
Post Migration Processing of Seismic Data
Dashuki Mohd.
Geological Society of Malaysia (GSM)
.... As seismic energy propagates through the earth, it experienc~s ~arious changes in frequency and phase characterIstIcs due to variations in the subsurface...
1994
Gravity's Role in a Modern Exploration Program
Gene Greene
Houston Geological Society Bulletin
... of the entire survey. At least two samples per wavelength are needed to prevent aliasing and adequately define an anomaly. Once the station spacing has...
1991
Comprehensive Use of VSP Technology at Elk Hills Field, Kern County, California, by R.J. Brewer and Don Greenfield, #40091 (2003).
Search and Discovery.com
2003
Interpretation of Airborne Magnetic Data of Upper Benue Trough, Northeastern Nigeria, #10888 (2016).
Omeje Maxwell, E.S Joel, lusegun Adewoyin, O. Meludu, O. Meludu
Search and Discovery.com
... are much wider than 2 km and therefore lie in a frequency range from aliasing which do not occur with a 1 km digitizing grid. Having digitized each...
2016
The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico
Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida
International Meeting for Applied Geoscience and Energy (IMAGE)
... strong interfering events from the other vessel, beyond aliasing limitations. Adaptive noise attenuation and adaptive deghosting were able to improve...
2023
Long Climatic Time Series from Sediment Physical Property Measurements
Timothy D. Herbert, Larry A. Mayer
Journal of Sedimentary Research (SEPM)
... term evolution of climate in the Milankovitch frequency band, as well as to reconstruct patterns of carbonate sedimentation over time. Sedimentation...
1991
Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)
Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto
Search and Discovery.com
... to prevent from time frequency dispersion and aliasing due to insufficient sampling during time differencing to guarantee the resolution of inversion...
2023
Unconventional Processing for 3D Data: A 1993 Case History
Claude Eizlini, Jacques Bonnafe, Bugi Kamil, Gilles Bitoun
Indonesian Petroleum Association
... a quick glance at typical data without statics will show some acceptably fair reflections albeit with a very narrow frequency band. The experience...
1994
Three Dimensional Exploration in California — A Case History
E. T. Selby
Indonesian Petroleum Association
... is that, to prevent aliasing, there must be at least two samples within the period of the highest frequency to be defined. The requirements for non-aliased space...
1977
Land 3D Acquisition Techniques Related to S.E. Asian Situation
Walter Ritchie
Indonesian Petroleum Association
... Acquisition Project Design Simple geometric relationships and sampling theory establish subsurface (and surface) spacing based on known dip, frequency...
1981
Geostatistical Integration of Crosswell Data for Carbonate Reservoir Modeling, Mcelroy Field, Texas
William M. Bashore, Robert T. Langan, Karla E. Tucker, Paul J. Griffith
Special Publications of SEPM
... the Grayburg Formation. CROSSWELL DATA ACQUISITION The data were collected using a swept-frequency , piezoelectric source and a seven-level hydrophone...
1995
Chapter One: Introduction to AAPG Memoir 42/SEG Investigations in Geophysics, No. 9, 7th Ed.
Alistair R. Brown
AAPG Special Volumes
.... The interpreter must consider data quality, frequency content, resolution, data phase, and data polarity, and must learn as much as possible about the data...
2011
The Wave Equation Applied to Migration
D. Loewenthal, L. Lu, R. Roberson, J. Sherwood
Southeast Asia Petroleum Exploration Society (SEAPEX)
... low cut, 30 Hz high cut) in order to avoid any drastic aliasing problems during the migration procedure. The model parameters were a constant...
1978
Recent Advances in Borehole Seismic
W. L. Nutt
Indonesian Petroleum Association
... seismic frequency bandwidth. The calibrated sonic log so obtained can be used in conjunction with the density log to produce a synthetic seismogram. Careful...
1984
Squeezing Every Last Drop Out of a Coarse 3D Oil Sands Dataset for Refining 3D Survey Design A Case History; #41500 (2014)
Sylvestre Charles, Jim Hostetler, Jiwu Lin, Xiaoming Luo
Search and Discovery.com
... at the Devonian unconformity it is about 23 traces per bin. Assuming an average velocity of 2200m/s, for this bin size the maximum un-aliased frequency...
2014