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The AAPG/Datapages Combined Publications Database
Showing 33,107 Results. Searched 195,502 documents.
Enhancing Seismic Discontinuity Attributes with Creative Workflows; #42025 (2017)
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
... for the first derivative data. The first derivative data can be used as input to attributes such as coherence or curvature. If random noise has been...
2017
Multi-Attribute Analysis of a Low-Frequency Passive Seismic Method for Hydrocarbon Indicator Prospecting: Case Study in Cemara Field, Cirebon, West Java, Indonesia
Dimmas Ramadhan, Andri Dian Nugraha, Afnimar, Muhammad Fadhillah Akbar, Guntur Mulyanagara
Indonesian Petroleum Association
...) and anthropogenic noise effect to decide the integral boundary (Walker, 2008). We used a minimum between 1–1.7 Hz as the minimum boundary and a maximum at 3.7 Hz...
2013
Deep learning-based Vz-noise attenuation for OBS data
Jing Sun, Arash Jafargandomi, Julian Holden
International Meeting for Applied Geoscience and Energy (IMAGE)
... for the noise-free data) shows a very effective denoising effect. Furthermore, the noise models (Figure 1d) show no indication of signal damage...
2023
Seismic Reflections from a Lau Basin Magma Chamber
Janet L. Morton, Norman H. Sleep
Circum Pacific Council Publications
... is interpreted as the top of a crustal magma chamber. Deconvolution shows that the polarity of the reflection phase is shifted 180° as expected for the top...
1985
Well Spacing and the Identification of Subsurface Drainage Systems
J.E. Robinson
CSPG Bulletin
... pattern, but too few samples will cause the filtered maps to suggest an orthogonal rather than a random effect. Assuming that structural patterns tend...
1981
Abstract: A Generic Procedure for Noise Suppression in Microseismic Data; #90187 (2014)
Yessika Blunda and Kit Chambers
Search and Discovery.com
...; however, this effect is minor. Following time-frequency winsorisation, the panels still contain a large amount of tube wave noise. The most dominant...
2014
Magnetic Anomalies of the Northern Gulf of California: Structural and Thermal Interpretations: Chapter 22: Part III. Regional Geophysics and Geology
O. Sanchez-Zamora, P. Doguin, R. W. Couch, G. E. Ness
AAPG Special Volumes
... for the central part of the northern Gulf of California is 114 mW/m2. We also present plots of fault traces which were determined using a deconvolution method...
1991
Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures
Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.
Southeast Asia Petroleum Exploration Society (SEAPEX)
... that is nowhere smooth. The resultant effect is that common midpoint (CMP) gathers deviate considerably from defining a perfect hyperbolic normal...
1994
Abstracts: Geophysical Time Series Data from a Stressed Environment; #90173 (2015)
Winnie Pun, Bernd Milkereit, Benoît Valley, and Wei Qian
Search and Discovery.com
... 1a), random background noise (Figure 1b) and microseismic data with events captured (Figure 2). The data can be decomposed into its high and low...
2015
Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)
N. Ackerley
Search and Discovery.com
... these spectra for comparison with power spectral densities of ground motion and sensor self-noise are shown. It turns out that the intrinsic attenuation between...
2014
Cavitation Noise Interference in Acoustic Sand Detection System
Atria Jarot Herwibowo, Nurul Afia, Dadik Hendra Kusuma
Indonesian Petroleum Association
... loss. This paper explains how to reduce this noise effect on the ASD tool by reducing differential pressure between the upstream and downstream...
2016
Thinbed Analysis with Conventional Log Suites
Richard M. Bateman
Indonesian Petroleum Association
... on a deconvolution process subject to error in the presence of noise. This disadvantage is partially compensated for by the wide applicability...
1990
3D Seismic Reconnaissance Workflows for Rapid Prospect Generation US Gulf Coast
J Henderson
Search and Discovery.com
... workflow allows for the application of a number of structurally oriented edge preserving filters designed for removing random noise and high (spatial...
Unknown
3D Seismic Reconnaissance Workflows for Rapid Prospect Generation US Gulf Coast
J Henderson
Search and Discovery.com
... workflow allows for the application of a number of structurally oriented edge preserving filters designed for removing random noise and high (spatial...
Unknown
Seismic-Based Volcano Identification and Characterization in HD Oilfield, Tarim Basin; #10747 (2015)
Yaonan Li, Guizhong Wang, Desheng Sun, Hongmei Zhang, Zhen Zou, Lin Yu, Sheng Cao
Search and Discovery.com
... deconvolution based on shot-receiver gathers. The major processing steps have been monitored using the geophysical and geological QC method during...
2015
Physics-Constrained Deep Learning for Production Forecast in Tight Reservoirs
Nguyen T. Le, Roman J. Shor, Zhuoheng Chen
Unconventional Resources Technology Conference (URTEC)
...—Bottom hole pressure of Well E high noise Figure 26—Physics-constrained predictions for Well E high noise High noise also has some negative effect...
2021
Enhancing Vertical Seismic Resolution with Seismic Frequency Restoration and Attributes; #42156 (2017)
Luis Vernengo, Eduardo Trinchero, Maximillian Garcia Torrejon, Ignacio Rovira
Search and Discovery.com
... that is not related to the subsurface needs to be eliminated. Multiples and random noise will undermine the integrity of the results. All these steps...
2017
Seismic Acquisition in the Papuan Fold Belt: A New Approach
G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo
Papua New Guinea (PNG) Petroleum Convention Proceedings
... to a flat datum. Post stack, the signal to noise ratio was improved through FX deconvolution and bandpass filtering. BP’s stacked section is shown...
1996
Using 3mD Seismic to tmprove Definition of a Bighorn Basin Anticline, Badger Basin Field, Park County, Wyoming
Jerome P. Walker, Daniel D. Hollis, Kevin M. Revels, Kenneth L. Grubbs
Rocky Mountain Association of Geologists
... that we realized this design would cause adjacent common mid-points (CMP) bins to contain unique source points, thus leading to an effect known...
1995
Surface Source Technology
Stan D. Brasel
Pacific Section of AAPG
... noise attenuation schemes. Figure 6. Ground Roll Attenuation Buried Charge Effect Let’s look at an example of noise attenuation using a surface source...
1972
Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2
B. A. Hardage
AAPG Special Volumes
.... Hubbard, T. P., 1979, Deconvolution of surface recorded data using vertical seismic profiles: Society of Exploration Geophysicists 49th Annual...
1985
Mapping Stratigraphic Traps with Seislog
Roy O. Lindseth
Indonesian Petroleum Association
... noise free signal, the seismic trace may contain a certain amount of noise and distortion. The objective of seismic data processing is to remove...
1977
Synthetic Stratigraphy with a Stochastic Diffusion Model of Fluvial Sedimentation
Jon D. Pelletier, Donald L. Turcotte
Journal of Sedimentary Research (SEPM)
... to the mean with time would e a random walk with power spectrum S(f) f-2. The effect of the diffusion term is to preferentially fill low-lying areas...
1997
Abstract: A New Method of Multiple Attenuation: Multiple Identification and Subtraction (II); #90171 (2013)
Wen-Jing Wu
Search and Discovery.com
... We found that the noise, random and/or coherent, interferes with multiple attenuation in MIDAS less than in Radon transformation method. Figure 1...
2013
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