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The AAPG/Datapages Combined Publications Database
Showing 18,837 Results. Searched 200,639 documents.
Separation of simultaneous source wavefields using convolutional neural network
Zhehao Li, Hua-Wei Zhou, Kang Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of reflection events. The optimal deblending result should align with the spectrum of the unblended data. At lower frequency from 5-20 Hz, the DnCNN deblended...
2022
Unconventional Reservoir Flow Assessment Using Spectral Acoustics and Numerical Temperature Modelling
Maxim Volkov, Vener Nagimov, Samuel Avilez, Dmitriy Lazutkin, Mikhail Khachaturyan, Artem Prodan
Unconventional Resources Technology Conference (URTEC)
... by using high precision and fast response temperatures (HPT) and sensitive passive acoustic scanning and its wide spectrum decomposition. As both...
2022
Chapter Six: Tuning Phenomena in Reservoirs
Alistair R. Brown
AAPG Special Volumes
... frequency content. These tuning phenomena are of considerable importance to the stratigraphic interpreter. They must be recognized as effects of bed...
2011
Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)
Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli
Search and Discovery.com
...(s). The source function and its spectrum are fully characterized by a single parameter–peak frequency and are illustrated in Figure 1. −3 x 10 1 0.8 12...
2015
Seismic Expression of Low-Angle Clinoforms in Ancient Deltaic Systems: Implications for Stratigraphic Modelling; #20098 (2011)
German A. Gonzalez Uribe, Erwin Rieser, Martin Kornberger, Thomas Kuffner, Adrian Ballauri
Search and Discovery.com
... with a regressive upper expression in a 3rd order cycle. TWT Langhian 5000m 2500 0 A Spectral Decomposition attribute provides a set of frequency slides...
2011
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
... shifted the dominant frequency of the source wavelet towards the lower end of the spectrum (Figure 4). The frequency notch due to the source ghost...
2014
Washover of Deltaic Barriers on the Louisiana Coast
Ron Boyd , Shea Penland
GCAGS Transactions
... frequency of occurrence, and regional barrier geometry. Washover deposits on Louisiana barriers often account for over 50 percent of total sediment storage...
1981
Application of Raman Spectroscopy in Investigating the Effect of Source and Temperature on the Maturity of the Organic Matter Exposed to Hydrocarbon Gas Injection
Sherifa Cudjoe, Reza Barati, Craig Marshall, Robert Goldstein, Jyun-Syung Tsau, Brian Nicoud, Kyle Bradford, Amanda Baldwin, David Mohrbacher
Unconventional Resources Technology Conference (URTEC)
... is observed to have spectral shifts providing information on the molecular structure of the sample. The shift in the frequency of the scattered radiation...
2019
Evaluation and Insights from Instantaneous Shut-in Pressures
Nicolas Roussel, Herbert Swan, Jon Snyder, Dung Nguyen, David Cramer, Annie Ouk
Unconventional Resources Technology Conference (URTEC)
... of the Fourier spectrum of the time series. In Figure 17a, a very large spike occurs near zero frequency, due to the fact that wellhead pressures have...
2021
New Jersey Continental Shelf Near Bottom Current Meter Records and Recent Sediment Activity
Charles E. McClennen
Journal of Sedimentary Research (SEPM)
...° North latitude and 70° to 72° West longitude, which includes the New Jersey shelf. Knowing the frequency of wave types within the observed spectrum...
1973
Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada
M. W. Lee, T. S. Collett, W. F. Agena
AAPG Special Volumes
...) is the amplitude spectrum at distance Ri, f is the linear frequency, i is the attenuation coefficient (i = if), , is an attenuation constant, and Ao...
2009
Precursory Detection of Casing Deformation and Induced Seismicity in Unconventional Reservoirs, via Real-Time Surface Pressure Data Analytics
Thomas de Boer, Matthew Adams, Andrew McMurray, Giovanni Grasselli
Unconventional Resources Technology Conference (URTEC)
... frequency-domain techniques. This paper introduces a newly developed signal decomposition and machine learning framework capable of transforming raw...
2025
Memory-efficient frequency-domain least-squares RTM using low-rank Greens functions via randomized SVD
Daniel E. Revelo, Reynam C. Pestana, Diego F. Barrera, Rodrigo S. Santos
International Meeting for Applied Geoscience and Energy (IMAGE)
...Memory-efficient frequency-domain least-squares RTM using low-rank Greens functions via randomized SVD Daniel E. Revelo, Reynam C. Pestana, Diego F...
2024
Cyclostratigraphic and Ichnofacies Analysis of the Upper Albian Salmon Peak Formation, Maverick
Laura C. Zahm , Charles Kerans , James L. Wilson
GCAGS Transactions
... compound cycle hierarchy is recognized in the ID-22 core. Facies 1-2-3 and 2-3-5 high-frequency cycles alternate with more organic-rich, starved 2-3-4...
1995
USE OF PC-BASED SEISMIC ANALYSIS SOFTWARE TO IMPROVE EXPLORATION FOR ROSE RUN REMNANTS
Chuck Weisenberg, Lauren Geophysical Processing Services, E. Briarwood Ave. Ste , Englewood, CO
Ohio Geological Society
.... Study showed that the confirmed remnants exhibit frequency and amplitude characteristics which are best seen, and in some cases, only...
1999
A Seismic Inversion Method for Fluvial Reservoirs in South East Asia
Mark Sams, David Carter
Southeast Asia Petroleum Exploration Society (SEAPEX)
... and combines the result with a low frequency model to provide a final full-band impedance result. A common problem is that the spatial distribution...
2017
ABSTRACT: Seismic Phase, The Next Exploration Frontier; #90007 (2002)
Stan Sansone
Search and Discovery.com
... the processes of Interferometry and Frequency Modulation using Dual Frequency Receivers the technology is here to add a new dimension of phase information...
2002
Multiphysics characterization of hydraulic fracture height and parentchild well interference at HFTS-2
Zhishuai Zhang, Kurt Nihei, Jiehao Wang, Zijun Fang, Yunhui Tan, Daniel Emery, Amit Singh, Yuguang Chen, Chang Li, Dimitri Bevc
Unconventional Resources Technology Conference (URTEC)
... surveillance techniques have been used to characterize hydraulic fractures, including low-frequency Distributed Acoustic Sensing (DAS) (Jin and Roy, 2017...
2024
Marine Seismic Sources: Part X: Seismic Surveys and Fish
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... that the threshold Spectrum of the sound signature. Adapted from Wardle et al (2001) The C-start response When a fish receives a strong sound stimulus...
2011
Assessing properties of internal multiples for different geologies
Paul Ras, Mikhail Davydenko, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
... analysis: multiple reflectivity power spectrum (left) and frequency-time (FT) plot (right), model 2. The VSP display with FWMod modeling in Figure 10...
2022
Principles and Techniques of VSP Data Processing
A.A. Tabakov, V.N. Ferentsi, H.Garvini
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... stage. So the following procedures should be applied: • Quality estimation: signal-to-noise ratio calculation for different frequency ranges. • Moment...
2006
Research and application of shallow surface wave prediction attenuation in dual complex mountainous exploration areas
Xinyue Song, Zaijin Zhang, Yi Bao, Cheng Wang, Zhonghua Zhao, Yangyang Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to improve the shallow signal-to-noise ratio of seismic data. When processing seismic data, the difference in frequency and velocity between surface...
2024
3D CSEM acquisition and inversion for appraisal of deepwater gas field
Jun Cai, Friedrich Roth, Claudia Twarz, Shenghui Li, Elias Andre Nerland, Juan-Mauricio Florez-Niño, Marjorie Nogueira, David Lippett, Kerry Nicholas, Sholan Ramnath
International Meeting for Applied Geoscience and Energy (IMAGE)
... and spectrum of the source waveform designed based on the feasibility study. Amplitude as % of 7,000 A. The high-power “Deep Blue” source was towed...
2024
A Source of Change: onSEIS: Alternate Seismic Source Option Offers High Quality and Low Impact
Bill Pramik, Lee Bell
Petroleum Exploration Society of Australia (PESA)
... seismic technology I onshore acquisition Amplitude Spectrum of Downhole Geophone measurement of onSEIS 60kbl Vibrator Heav y Vi be Effort vs onSEIS 1...
2011
The Use of Multi-Level Potential Field Data in Regional, Geophysical Modeling; #40426 (2009)
J. Ebbing, R. Fjalar Reynisson, J. Reidar Skillbrei, Odliev Olesen
Search and Discovery.com
... in the frequency content of the potential field data. Routinely, wavelength filtering and methods like power-spectrum estimates have been used...
2009