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The AAPG/Datapages Combined Publications Database
Showing 33,738 Results. Searched 197,438 documents.
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
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
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
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
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
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
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
Statistical Analysis of Facies Clustering in Submarine-Fan Turbidite Successions
Chengsheng Chen, Richard N. Hiscott
Journal of Sedimentary Research (SEPM)
... of London, Special Publication 94, p. 5-12. BOOY, C., AND MORGAN, D.R., 1985, The effect of clustering of flood peaks on a flood risk analysis for the Red...
1999
ABSTRACT: Modeling Seismic Signature of Small Faults from Outcrop Analogues; #90013 (2003)
JUAN FLOREZ, GARY MAVKO
Search and Discovery.com
...); and a method to evaluate the effect of stress and fracture orientation on crack density distribution. Roughness of fracture surfaces impedes immediate...
2003
Dielectric Anisotropy and Grain Orientation: REPLY TO JOHN W. SHELTON
A. M. Winkelmolen
AAPG Bulletin
... Shelton wants to say is that, in fact, grain orientation is so subtle in its diel ctric-anisotropy effect, that it is often "drowned" in the noise...
1973
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
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
Application of Mathematical Statistics in Study of Breaks in Sediment Deposition
N. S. Gudok, B. G. Sokratov
Petroleum Geology: A Digest of Russian Literature
... of the basal bed, with sharply distinct reservoir properties, is generally small; therefore, their effect on the law of distribution within the given unit...
1973
An Improved Method for Calculating the Standard Deviation and Variance of Paleocurrent Data: RESEARCH METHOD PAPER
Robert G. F. Krause , Theresa A. M. Geijer
Journal of Sedimentary Research (SEPM)
... in Biology: London, Academic Press Inc., 371 p. CHAYES, F., 1954, Effect of change of origin on mean and variance of two-dimensional fabrics: American...
1987
An Efficient Optimization Workflow for Field-Scale In-Situ Upgrading Developments
Guohua Gao, Jeroen C. Vink, Faruk O. Alpak, Weijian Mo
Unconventional Resources Technology Conference (URTEC)
.... The risk of simulation job failures due to constraints violation and the negative effect related to numerical noise are significantly reduced. All...
2014
The Significance of Grain Size Distributions in Clastic Sedimentary Rocks
John J. W. Rogers
GCAGS Transactions
..., transportation, and deposition which affect all sediments are generally random insofar as their effect on grain sizes is concerned. These processes may...
1958
Geomodeling Unconventional Plays: Improved Selection of Uncertainty Cases
Matthew L. Belobraydic, Peter Kaufman
Unconventional Resources Technology Conference (URTEC)
... of uncertainty ranges for the input properties. Porosity, water saturation, grid volume, and property distribution methodologies all have an effect on HCPV...
2014
Fast and efficient structure-oriented preconditioning with on-the-fly dip estimation
Rodrigo Felicio Fuck, Lorenzo Casasanta
International Meeting for Applied Geoscience and Energy (IMAGE)
... demonstrates the edge-preserving smoothing provided by the guided filter. In this example, the guided filter smooths a set of random numbers using the Marmousi...
2023
Regularization by robust denoising for iterative simultaneous source separation
Breno Bahia, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the blending noise points to denoisers that have strong noise reduction capabilities associated with robust statistics. This paper shows how robust...
2022
Grain Size Measurement in Thin Section and in Grain Mount: NOTES
Richard E. Smith
Journal of Sedimentary Research (SEPM)
... of the variability is common; the remaining 57 percent is attributed to the effect of fabric (orientation and packing) and "error" sources of variation. ARKIN...
1966
MINERALOGY OF THE FINE SEDIMENTS OF WESTERN VENEZUELA; MINERALOGIA DE LOS SEDIMENTOS FINOS DEL OCCIDENTE DE VENEZUELA
P. Rivero Manuel
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
..., and constructing curves by plotting the height (not area) of peaks above the noise line, versus mineral content. The resulting curves are susceptible...
1964
Resolving Seismic Attenuation Issue through Q-Migration, a Case Study in Sisi-Nubi Field, Indonesia
Bastian Hutahayan, Keat Huat Teng, Kelik Moersidin, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam
Indonesian Petroleum Association
... corrected especially at the shallow interval (500 - 1800 ms), resulting in a poor signalto noise ratio within the affected zones. Consequently, this has...
2015