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The AAPG/Datapages Combined Publications Database
Showing 4,162 Results. Searched 200,357 documents.
Overview of Exploration Geophysics: Recent Breakthroughs and Challenging New Problems: Hydrocarbons
B. S. Flowers
AAPG Special Volumes
...) stacking is a velocity filter that causes attenuation of multiple reflections and other noises. In an example chosen from the eastern Pacific offshore...
1976
Overview of Exploration Geophysics--Recent Breakthroughs and Challenging New Problems
B. S. Flowers
AAPG Bulletin
... Silurian reef anomaly (a) and fictitious Silurian anomaly (b). Top panels show effects of misalignments due to variations in near-surface glacial till...
1976
Phase Unwrapping: A Review of Methods and a Novel Technique
Sam T. Kaplan
Search and Discovery.com
... that falls on the unit circle causes a S discontinuity. Algorithms that rely on the continuity of phase may mistakenly attribute the effects of sharp...
Unknown
Phase Unwrapping: A Review of Methods and a Novel Technique
Sam T. Kaplan
Search and Discovery.com
... that falls on the unit circle causes a S discontinuity. Algorithms that rely on the continuity of phase may mistakenly attribute the effects of sharp...
Unknown
Application of Illumination Compensation to Irregular Surface Areas Imaging; #40773 (2011)
Yueming Ye and Ru-shan Wu
Search and Discovery.com
..., the corresponding seismic data are added if receivers or sources exist. In addition, a filter was introduced to eliminate the migration noise in the fictitious...
2011
Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters; #41543 (2015)
Kristof De Meersman, Chris Ansorger
Search and Discovery.com
... of a 2D 3C line. The flow excludes any form of adaptive amplitude scaling and aims to preserve true signal amplitudes. The polarization filter...
2015
Continuous Sea-Floor Spreading in Red Sea: An Alternative Interpretation of Magnetic Anomaly Pattern
J. L. Labrecque , N. Zitellini
AAPG Bulletin
... to the present by using a time-varying process filter. The half spreading rate is approximately 1 cm/yr (0.4 in./yr) since initial rifting. The parameters...
1985
Lateral Changes in Seismic Velocities and Their Effect on Depth Prediction
J. Pinchin, M. Bayly
Petroleum Exploration Society of Australia (PESA)
... data. J ANALYSIS -- - - -- ·-···· OUTPUT VELOCITY W ITH RESIDUAL STATICS APPLIED -· ·OUTPUT VELOCITY WITH 975 m. SMOOTHING FILTER 130 Figure 9...
1989
Sedimentation Caused by a Tube-Building Amphipod: NOTES
M. P. Lynch, W. Harrison
Journal of Sedimentary Research (SEPM)
..., The effects of the deposit feeding polychaete Pectinaria gouldii on the intertidal sediments of Barnstable Harbor: Limnol. Oceanog., v. 11, p. 327-332...
1970
Delineation of a Produced Water Plume in Pointe Coupee Parish, Louisiana
Matthew C. Smith, Jeffrey A. Nunn
GCAGS Transactions
... site were processed using Sensors and Software Ekko_View and Ekko_View Deluxe software. A DEWOW filter was automatically applied to the data during...
2010
Methodology for Enhancing and Evaluating Geologic Effects of Time Series Models: A Case of Ground Response in Santa Clara Valley, California, #41097 (2012)
Olusola Samuel-Ojo, Lorne Olfman, Linda A. Reinen, Arjuna Flenner, David D. Oglesby, Gareth J. Funning
Search and Discovery.com
...Methodology for Enhancing and Evaluating Geologic Effects of Time Series Models: A Case of Ground Response in Santa Clara Valley, California, #41097...
2012
Low Power Magnification Photography of Thin Sections: NOTES
S. Duncan Heron, Jr.
Journal of Sedimentary Research (SEPM)
... Ektachrome Infrared Aero Film, type 8443. A dark red filter must be inserted immediately in front of the lens (a yellow filter is acceptable with Ektachrome...
1968
First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology
Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda
Indonesian Petroleum Association
... signal-to-noise ratio because random noise is found all over the data. The AAA processing flow attenuates random noise using a median spatial filter...
2023
Borehole Image Textural Analysis and Integrated Petrophysics Methodology with Some Examples from the Midland Basin
Nicholas Harvey
West Texas Geological Society
... in surface area conductivity and heterogeneity, the BHI conductivity histogram limits are set within the conductivity distribution to eliminate edge effects...
2014
Thinbed Analysis with Conventional Log Suites
Richard M. Bateman
Indonesian Petroleum Association
... effects of thin beds or, more properly put, the effects of thick logging tools. In one approach1 use is made of a tool with very fine vertical...
1990
Abstracts: Using Tunable Filter Spectroscopy for Compostional Gas Measurement in the Drilling Industry; #90173 (2015)
Fiona Mueller-Thode
Search and Discovery.com
...Abstracts: Using Tunable Filter Spectroscopy for Compostional Gas Measurement in the Drilling Industry; #90173 (2015) Fiona Mueller-Thode AAPG Search...
2015
Broadband Marine Seismic, Does Acquisition Make a Difference?
Martin Bayly, Sandeep Kumar Chandola, Low Cheng Foo, Abdul Aziz Muhamad, Swee Leng Ng
Indonesian Petroleum Association
... of the source, near surface effects (free surface ghosts in the marine situation), the overall earth attenuation, and the level of additive environmental...
2013
Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada
Gilles Bellefleur
Search and Discovery.com
... from an attenuation study based on seismic data from Mallik, Northwest Territories, Canada, showing that effects from attenuation should be taken...
Unknown
Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada
Gilles Bellefleur
Search and Discovery.com
... from an attenuation study based on seismic data from Mallik, Northwest Territories, Canada, showing that effects from attenuation should be taken...
Unknown
Abstract: Accurate Modeling of AEM Data for Oil and Gas Exploration in Semi-layered Environments; #90172 (2014)
A. Viezzoli, Anders V. Christiansen, Esben Auken
Search and Discovery.com
... issues mentioned above. We select the low pass filter and the gate integration. The full study will be shown at the oral presentation. The theory...
2014
Weak and Strong Interactions: The Coevolution of Autogenic Processes and External Forcing in Experimental Deltas, #40549
John Martin, Mike Blum
Search and Discovery.com
.... We quantify the autogenic filter as the magnitude of topographic effects from sediment storage and release, and the magnitude of external forcing...
2010
Subsurface Structure Interpretation of Eastern South Serayu Basin using GGMPlus (v.2013) Gravity Data Analysis
Novita Triswi Handayani, Sudarmaji, Mochamad Nukman
Indonesian Petroleum Association
... separated from residual through a low-pass filter. The residual anomaly is being used to analyze the basin boundary, while the regional anomaly is used...
2019
Seismic Frequency Bandwidth Constraints in Deepwater Locations
Andrew Long, Iain Buchan
Indonesian Petroleum Association
..., 3/12 – 206/276 filter settings (Hz/dB per octave), 2 ms sample rate 28° C water temperature Note that any source or receiver directivity effects...
2004
SEISMIC DETECTION OF THE ROSE RUN SANDSTONE IN SOUTH-CENTRAL OHIO
James R. Morris, Belden & Blake Corporation, Titusville, Pennsylvania, in conjunction with Quaker State Corporation and KEP Exploration, Inc.
Ohio Geological Society
...-central Ohio include small charge arrays, 75-foot station intervals, and a 27-hertz low-cut field filter. To maximize...
1995
Supercomputers for Beginners: Part II
Lasse Amundsen, Martin Landrø, Børge Arntsen
GEO ExPro Magazine
... independently. A simplistic example of this kind of processing is the application of various filter operations. The problem is solved by distributing...
2015