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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 254 Results. Searched 195,364 documents.

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Depth migration by nonstationary phase shift

Robert J. Ferguson, Gary F. Margrave

CSPG Special Publications

...Depth migration by nonstationary phase shift Robert J. Ferguson, Gary F. Margrave 1998 150 151...

1998

Elastic modeling by phase-shift cascade with scattering matrix control

Chanpen Silawongsawat, Gary F. Margrave

CSPG Special Publications

...Elastic modeling by phase-shift cascade with scattering matrix control Chanpen Silawongsawat, Gary F. Margrave 1998 264 265...

1998

One pass 3-D phase-shift plus interpolation (PSPI) migration without x-y splitting

Wen-Jing Wu

CSPG Special Publications

...One pass 3-D phase-shift plus interpolation (PSPI) migration without x-y splitting Wen-Jing Wu 1998 152 154...

1998

Depth migration in transversely isotropic media by nonstationary phase shift

Robert J. Ferguson, Gary F. Margrave

CSPG Special Publications

...Depth migration in transversely isotropic media by nonstationary phase shift Robert J. Ferguson, Gary F. Margrave 1998 79 80...

1998

Abstracts: Implicit Preconditioning for Least-squares Nonstationary Phase Shift; #90173 (2015)

Marcus R. Wilson and Robert J. Ferguson

Search and Discovery.com

... migration with the phase-shift method: Geophysics, 43, 1342-1351. Margrave, G.F., and Ferguson, R. J., 1999, Prestack depth migration by symmetric...

2015

Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)

Marcus Wilson, Robert J. Ferguson

Search and Discovery.com

... gradient method as a means to speed the algorithm. Non-stationary Phase Shift Operators The phase-shift migration method of Gazdag (1978) models...

2014

Gabor Depth Migration using a New Adaptive Partitioning Algorithm

Yongwang Ma

Search and Discovery.com

... Migration with phase shift (Gazdag, 1978) is an important migration tool. For a layered earth with laterally varying velocities, phase shift migration...

Unknown

Gabor Depth Migration using a New Adaptive Partitioning Algorithm

Yongwang Ma

Search and Discovery.com

... Migration with phase shift (Gazdag, 1978) is an important migration tool. For a layered earth with laterally varying velocities, phase shift migration...

Unknown

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

...Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014) Jianhua Pan AAPG Search and Discovery...

2014

Abstract: Converted Wave Shot Profile Wave Equation Migration Toolbox Kit; #90224 (2015)

Mark Ng

Search and Discovery.com

... data by phase shift plus interpolation: Geophysics, 49, 124-131. Ng, M., 2009, Efficiency and accuracy enhancement for one-way wave equation migration...

2015

Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)

Yongwang Ma and Gary Margrave

Search and Discovery.com

... extrapolation by spatially variable phase shift is currently a migration tool of importance. In this paper, we present a new prestack seismic...

2015

Critical Analysis of Stack Seismic Systems

L. E. Nugent, Jr.

AAPG Bulletin

... concellation. Moreover, it is also evident from the diagram that, with only half the distance between the nergy sources and detectors, the phase shift...

1967

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...

Unknown

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...

Unknown

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

... to be the familiar phase-shift migration running in reverse. Compared to the Kirchhoff method, Rayleigh-Sommerfeld is much faster, especially on large...

2013

Post Migration Processing of Seismic Data

Dashuki Mohd.

Geological Society of Malaysia (GSM)

... to the seismic data. The application of a correct phase rotation will produce an almost zero phase condition. Figure 3 summarizes the post migration...

1994

Resolving MWD-Wireline Resistivity Differences in Shaly-Sand Pay Zones

Steve Mack

Indonesian Petroleum Association

... with an MWD tool was introduced using both phase-shift and amplitude-attenuation processing of the propagated wave. The shortcomings of this approach...

1995

Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)

Tianfei Zhu

Search and Discovery.com

... variations are large. We show that the new method is a true-amplitude extension of the phase-shift wave-equation migration method into media...

2014

Texaco Watercut Monitor – Microwave Based Technology

M. G. Durrett, G. J. Hatton, D. A. Helms, J. D. Marrelli

Indonesian Petroleum Association

...) the power transmitted through the sensor cell referred to here as attenuation (in decibels); and 2) the change in phase shift of the received sinusoidal...

1989

Abstract: Determination of bulk permeability within the Morien Group using the forcing of ocean tides in the Sydney Basin in Cape Breton, Nova Scotia

Kevin J. Doyle, Kate Moran, Tom Martel, Gary Ellerbrok

Atlantic Geology

...~ining the bulk permeability of the material surrounding these mines. An analysis of the phase shift and amplitude of the tidal signal in the water level...

1997

Genesis of Sand Ridges on Storm-Dominated Shelves--Status Report: ABSTRACT

Donald J. P. Swift, William Stubblefield, David W. McGrail

AAPG Bulletin

... at low Froude numbers. Because of a phase shift between bottom topography and flow parameters, maximum shear stress occurs on the upcurrent slopes...

1980

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