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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

Simultaneous-Source High Fidelity Vibroseis System Cuts Time and Cost, by Bob Hardage, #40688 (2011)

Search and Discovery.com

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...

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...

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

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...

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...

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...

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...