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The AAPG/Datapages Combined Publications Database
Showing 33,154 Results. Searched 195,689 documents.
Fuzzy Partitioning Systems for Electrofacies Classification: A Case Study from the Maracaibo Basin
J. J. Finol,, Y. K. Guo, X. D. Jing
Journal of Petroleum Geology
... in a clustering task has an important effect on the size, shape and orientation of the clusters detected. Unlike crisp clustering where vector...
2001
Time-Lapse Simultaneous AVO Inversion of the Widuri Field, Offshore Southeast Sumatra
Bill Harmony, Robert Van Eykenhof, Lupi Harvidya, Djoko Rubyanto, Sri Lestari Supardi, Mark Sams, Fauzi Alkatiri, Paul Van Riel, Peter Mesdag
Indonesian Petroleum Association
... available data are used, thereby increasing the signal to noise ratio. In those areas where changes had occurred over time, intermediate properties...
2003
Northern Gulf of Mexico Bathymetry and Feature Names
Holcombe, Troy L., Bryant, William R., Bouma, Arnold H., Taylor, Lisa A., and Liu, Jia Y.
GCAGS Transactions
... and available bathymetric data. These include U.S. Coast Survey multibeam bathymetry (Grim, 1992), industry bathymetric data, random trackline bathymetric...
2002
Supervised Learning Applied to Rock Type Classification in Sandstone Based on Wireline Formation Pressure Data; #42539 (2020)
Jose Victor Contreras
Search and Discovery.com
... algorithms are (Géron, 2017): kNearest Neighbors, Linear Regression, Logistic Regression, Support Vector Machines (SVMs), Decision Trees and Random...
2020
The Utilization of the "Rate-Integral" to Assist with Decline Curve Analysis of Poor-Quality Unconventional Time-Rate Data
E. W. Bryan, D. Symmons, D. Ilk, T. A. Blasingame
Unconventional Resources Technology Conference (URTEC)
... any random or imposed noise. The intent of using this case is to highlight the trends that are expected to be observed during production performance...
2021
Automated processing development at a CO2 site: Phase detection, location, magnitude
Jian Zhang, Kevin D. Hutchenson, Elige B. Grant, Paul A. Nyffenegger, Mark A. Tinker
International Meeting for Applied Geoscience and Energy (IMAGE)
... as coherent noise and signal arriving from directions other than the beam main response axis (MRA). The overall effect is to increase the coherent...
2023
Broadband Seismic Technology and Beyond: PART X: IsoMetrix Isometric Sampling
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... of the limitations is the effect called aliasing. Once more, we step back to basics. An example of aliasing can be seen when watching wagon wheels in old Westerns...
2014
The Greeley 3-D Seismic Survey: One of the Nations Largest Urban Survey Leads to Niobrara and Codell Horizontal Activity
Jack M. Wiener, Tagir Galikeev, Collin Richardson
Unconventional Resources Technology Conference (URTEC)
... and contractor in order to complete the 3D acquisition in an urban environment. Seismic data processing employed state-of-the-art static corrections and noise...
2014
Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)
Heath Pelletier
Search and Discovery.com
... a significant effect on the behavior of the data populations being interpreted in AVO crossplot space. Rotating intercept/gradient crossplot slopes (what Gidlow...
2013
Modern Marine 3D Seismic Acquisition - Technical Considerations
Chris Walker
Petroleum Exploration Society of Australia (PESA)
... 1997 effort and signal to noise ratio needed to be able to recover these events from both random noise and, perhaps more demandingly, residual P...
1997
3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: North Fork Area, Powder River Basin, Wyoming
D. S. Stone
AAPG Special Volumes
... be due to the combined effect of curvature (spherical divergence) and a small reflection coefficient. Converting the seismic time section to migrated...
1983
3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: South Elk Basin
D. S. Stone
AAPG Special Volumes
... velocity effect (if the correlation is correct). It is suggested that this spurious fault configuration may be due to a ray path through the high...
1983
Simple X-Ray Diffraction Techniques to Identify Mg Calcite, Dolomite, and Magnesite in Tropical Coralline Algae and Assess Peak Asymmetry
Merinda C. Nash, Bradley N. Opdyke, Zhongwei Wu, Huifang Xu, Janice M. Trafford
Journal of Sedimentary Research (SEPM)
..., A.D., and Roth, A.A., 1979, Effect of carbon dioxide concentration on calcification in the red coralline alga Bossiella orbigniana: Marine Biology, v. 52...
2013
Chapter 9. Australia: Satellite Lineaments in Southeast Australia
K. L. Burns, J. Shepherd
Utah Geological Association
... artifacts due to spatially-coherent noise. These include scan lines, film striae, and artifacts of unknown origin in other directions. Second...
1974
A Study of the Relations of Depth, Porosity and Clay Mineral Orientation in Pennsylvanian Shales
Mack Gipson, Jr.
Journal of Sedimentary Research (SEPM)
... would otherwise be undetected because of the masking effect of other variables. DEPTH, POROSITY, AND CLAY MINERAL ORIENTATION Depth of Burial No fixed...
1966
ANATOMICALLY LINKED OCCURRENCE OF CONCRETIONARY PRESERVATION OF MOSASAURS FROM THE PIERRE SHALE OF SOUTH DAKOTA
ALYSIA S. KORN, DARRIN C. PAGNAC
PALAIOS
.... The probability of random concretion formation is 0.338. N/A signifies that a test was not performed due to a priori assumptions. A Skull Absent from...
2017
Seismic Resolution and Analysis of Thin Pay Beds (Paper C12)
M. Sajid, D. P. Ghosh, Z. T. H. Zuhar
Geological Society of Malaysia (GSM)
... and blue curves represents the Effect of derivatives on wavelet relative amplitudes Successive derivative of the signal increase the amplitude ratio...
2012
The Applications of Jet Pumps as a Cost Effective Way to Enhance Gas Production and Recovery
M. M. Sarshar, Najam A. Beg, Ian Andrews
Indonesian Petroleum Association
... applications. The Effect of Liquid in Gas Phase Jet pumps handling gas may operate satisfactorily if a small amount of liquid (water or condensate) is present...
2003
Geostatistical Earth modeling of cyclic depositional facies and diagenesis
Thomas Le Blévec, Olivier Dubrule, Cédric M. John, and Gary J. Hampson
AAPG Bulletin
... truncated Pluri-Gaussian random functions constrained by transiograms. Cyclicity is defined as an asymmetric ordering between facies, and its direction...
2020
2.2 Basement Involved: 2.2.3 Passive Margins: Representative Multichannel Seismic Profiles Over the U.S. Atlantic Margin
J. A. Grow, D. R. Hutchinson, K. D. Klitgord, W. P. Dillon, and J. S. Schlee US Geological Survey
AAPG Special Volumes
..., Magnetic anomalies off the eastern seaboard of the United States - a possible edge effect: Nature, v. 222, p. 72-74. Klitgord, K.D. and J.C. Behrendt, 1979...
1983
Data-Driven Approach to Optimize Stimulation Design in Eagle Ford Formation
Francisco Herrero Clar, Agustin Monaco
Unconventional Resources Technology Conference (URTEC)
... signal from noise. ANN models proved to be a fine method for this purpose obtaining R-Squared values between 0.5 and 0.7 for cross-validation sets...
2019
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)
... Americas Abstract Marine Controlled-Source Electromagnetic (CSEM) methods for hydrocarbon detection, which rely on a partial waveguide effect by thin...
2009
Detecting Subsurface Voids Using the Microgravity Method A Case Study from Kuala Lipis, Pahang
Ahmad Tajuddin Hj. Ibrahim, Che Noorliza Lat
Geological Society of Malaysia (GSM)
... be located at a stable place, with known station location and the least amount of anticipated error or noi se. One should also be aware of the noise...
2004
Using Fracture Stress Shadows to Drive Stage Spacing
Jonathan P. McKenna, Michael S. Blaz, Michael H. Grealy, Orlando J. Teran
Unconventional Resources Technology Conference (URTEC)
... and microseismicity occurred. Events colored by classification using a method by McKenna, 2016 and sized by signal to noise ratio. Focal mechanism strike plotted...
2017
Fullband imaging
Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai
Petroleum Exploration Society of Australia (PESA)
... of ghost and the absorption effect of an anelastic earth. The ghost effect is the result of reflections from the surface of the ocean. These reflections...
2016