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The AAPG/Datapages Combined Publications Database
Showing 255 Results. Searched 196,167 documents.
Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)
Roohollah Askari, Robert J. Ferguson, and Helen Isaac
Search and Discovery.com
... the phase shift method (Park et al., 1998)) the data from the time-offset domain to the frequency-slowness (or velocity) domain. Generally speaking...
2014
Application of Spectral Decomposition Technique in Reservoir Exploration in the Junggar Basin of West China, #10340 (2011)
Cai Gang, Su Mingjun, Yao Qingzhou, Gong Honglin
Search and Discovery.com
... K1q Line103 J2t Line103 Left: Line103 seismic section (Phase shift 90º) Right: Full 3-D visualization plan Top right: Along Tk1 after flattening...
2011
Power Imaging A Passive Electromagnetic Hydrocarbon Detection Method: Examples from Railroad Valley, Nevada; #40966 (2012)
Dietmar (Deet) Schumacher, W. Barry Weaver, and Roy K. Warren
Search and Discovery.com
..., this figure illustrates what the waves look like when one wave is multiplied by the next. Notice that around 2000 feet there is a phase shift followed...
2012
The Use of LWD and its Impact on Petrophysical Evaluation in the Belida Field, Block 'B', South Natuna Sea
Agus Sutoto
Indonesian Petroleum Association
...-magnetic drill collar. The tool broadcasts a 2-MHz electromagnetic wave and measures the phase shift and attenuation. It has many similarities to the dual...
1994
Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)
Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan
Search and Discovery.com
... ranging from -2000m to +2000m at increments of 8.333m. This constitutes our "real" data. As a migration algorithm, we used a pre-stack PSPI (phase-shift...
2015
Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)
Vanja Vracar and Robert J. Ferguson
Search and Discovery.com
... (Du, 2007): transformation of wavefield from the spatial to the wavenumebr domain and apply a phase-shift based on the vertical wavenumber, kz...
2015
Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)
Carlos Montana and Gary Margrave
Search and Discovery.com
...-variant phase shift. Datapages/Search and Discovery Article #90211 CSPG© 2015 CSPG/CSEG/CWLS Convention 2006, What’s New? Where is Our Industry Heading...
2015
A Practical Review of Migration Issues and Solutions; #40723 (2011)
Ian F. Jones
Search and Discovery.com
... they can honour lateral velocity change. For example, a phase-shift technique has a very good dip response, so forms the basis of several migration...
2011
Atwater Valley 118 #1
Alec Bray
Houston Geological Society
... Reconciliation Seismic ties the wireline very well. No phase shift seismic data observed. 300' thick sand on logs match transparent zone on seismic data...
2000
Preliminary Testing of a Low Cost, Low Gas, Three Phase Meter for Minas Well Testing
Jack Marrelli, James Allison
Indonesian Petroleum Association
..., microwave attenuation and phase shift. These data are collected by the Starcut electronics and handled as shown in figure 7. Each data point, representing...
1994
Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico
Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey
AAPG Special Volumes
...: Marine and Petroleum Geology, v. 19, p. 12751293.Gazdag, J., and P. Saguazzero, 1984, Migration of seismic data by phase shift plus interpolation...
2009
Seismic Resolution and Analysis of Thin Pay Beds (Paper C12)
M. Sajid, D. P. Ghosh, Z. T. H. Zuhar
Geological Society of Malaysia (GSM)
... output of derivation operation has higher frequency that follow by adding extra half cycle and 90° phase shift. So the differential operator can...
2012
Seismic Migration Interpolation using Time-Shift Imaging Condition
Mark Ng
Search and Discovery.com
...Seismic Migration Interpolation using Time-Shift Imaging Condition Mark Ng Seismic Migration Interpolation using Time-Shift Imaging Condition Mark Ng...
Unknown
Seismic Migration Interpolation using Time-Shift Imaging Condition
Mark Ng
Search and Discovery.com
...Seismic Migration Interpolation using Time-Shift Imaging Condition Mark Ng Seismic Migration Interpolation using Time-Shift Imaging Condition Mark Ng...
Unknown
Abstracts: Using a 1D FX Predictive Filter for 3D Seismic Data Random Noise Attenuation; #90173 (2015)
Mike Galbraith, Zhengsheng Yao, and Randy Kolesar
Search and Discovery.com
.... For example, if there is only one linear event, then any neighbouring traces are different by a simple constant phase shift (e.g. Sacchi, 2009). Therefore...
2015
Understanding Seismic Detection and Resolution of High-Frequency Sequences and Systems Tracts
Hongliu Zeng
Search and Discovery.com
... added t diti i i d t for dd d resolution. 3. AVF and phase shift are practical tools. Acknowledgments Ackno ledgments 1. Texaco Inc. (now Chevron...
Unknown
Potential New Reservoir Targets Discovered in Channel and Canyon Features, Offshore Gabon; #10301 (2011)
Ron Borsato, Jennifer Greenhalgh, Ross Findlay, Sara Raussen, Hongwei Zhu, Mark Martin, Martial-Rufin Moussavou, Fanny Flore Moukoumbi
Search and Discovery.com
... to a standard regional grid (12.5 x 12.5m bins). Time and phase shift analysis (cross-correlation of traces in overlap zones between surveys) provides...
Unknown
Simultaneous-Source High Fidelity Vibroseis System Cuts Time and Cost, by Bob Hardage, #40688 (2011)
Search and Discovery.com
2011
Advanced Time-lapse InSar for Reservoir Management; #40944 (2012)
Giacomo Falorni, Andy Higgs, Jessica Morgan, Andrea Tamburini, and Marco Minini
Search and Discovery.com
... point Millimetric Satellite Image 1 Satellite Image 2 Interferogram -π 0 Phase shift (Δθ) Phase Values +π • Quick, straightforward method...
2012
Prediction of Porosity and Fluid Saturation from Full Stack Seismic Data Using Seismic Inversion and Neural Network Analysis, #42254 (2018).
Ahmed S. Ali, Hamed El-Mowafy, Ashraf Ali Hasan, Ali Khairy
Search and Discovery.com
... * . Operator . spectrum operator . 90° phase shift Model-Based Inversion Colored Inversion WR-1 • Thickness up to 100 ft. • Average...
2018
Monitoring Seafloor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico, by Erika Geresi, Ross Chapman, Tom McGee, and Bob Woolsey; #90035 (2004)
Search and Discovery.com
2004
Rapid Estimations of Dynamic Hydraulic Fracture Fronts from Cross-Well Low-Frequency Distributed Acoustic Sensing Strain-Rate Measurements
Smith Leggett, Erich Kerr, Ding Zhu, Dan Hill
Unconventional Resources Technology Conference (URTEC)
... interpret the optical phase shift. One such model, the “Zero Strain Location Method,” provides a simple, analytical means of estimating the dynamic...
2022
Shape difference of mud clasts depending on depositional facies: application of newly modified elliptic Fourier analysis to hybrid event beds
Sojiro Fukuda, Hajime Naruse
Journal of Sedimentary Research (SEPM)
... overcomes the problem of the mirror symmetric property. The problem of mirror symmetric property is caused by the phase shift between each harmonic...
2020
Stratigraphic Control and Formation Evaluation of Horizontal Wells Using MWD
L. R. B. Hammons, E. K. Fisher, D. H. Sellers
Pacific Section of AAPG
... transmitter and two receiver antennas. The phase shift and attenuation between the receivers are measured and converted to two separate resistivity...
1992
Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration
Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux
Indonesian Petroleum Association
... wave equation pre-stack depth imaging methods such as phase shift, split step Fourier, phase shift plus interpolation, and finite difference methods...
2008