Extended Abstract: Exploring the Missing Blind Zone in the Gulf of Mexico Shelf

Selim Simon Shaker, Dave Reynolds, Walter W. Wornardt

GCAGS Transactions

... cross over, and reflectivity becomes very weak and occasionally cannot be recognized on the seismic stacking velocity (prestack time migration) lines...

Reservoir Description using hybrid seismic inversion: A 3D case study from María Inés Oeste field, Argentina

M. Benabentos, S. Mallick, M. Sigismondi, J. Soldo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... been successful in many parts of the field, it has also resulted in some dry wells. The primary purpose of this investigation was to use prestack...

Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)

Vanja Vracar and Robert J. Ferguson

Search and Discovery.com

... in the inverse data space. 75th Ann. Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1522–1525. Du, Y. [2007] Prestack depth migration methods...

An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification

Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira

AAPG Bulletin

...An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification Carlos Jesus, Wagner...

Seismic Depth Imaging of Structures with Complex Overburden in Offshore Ukraine; #40721 (2011)

Oleksandra Tiapkina and Zynovly Voitsytski

Search and Discovery.com

... being performed in the time domain, and prestack depth migration (PSDM) has as yet not become quite commonplace for the Ukrainian seismologist...

Seismic Imaging and Interpretive Model Building in the Colombian Andes

Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... as compared to the prestack time migration of the same data. INTRODUCTION Anisotropic depth migration in thrust-belt environments has the greatest...

Stochastic acquisition systems in time-dependent scattering seismic approach

Gennady Erokhin, Maria Erokhina, Alexandre Iakovlev, Kirill Safran

International Meeting for Applied Geoscience and Energy (IMAGE)

... reservoirs prospecting by the CSP prestack migration method: 73th Annual International Conference and Exhibition, EAGE, Extended Abstracts, B024. Landa...

Are Key Technological Changes of the Last Three Years Enough to Warrant Reprocessing? Interpolation and AVO Inversion for the Nisku at Brazeau; #41556 (2015)

Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Jon Downton, Bashir Durrani

Search and Discovery.com

... and then prestack migrating the seismic data, the signal-to-noise level is improved. This is a result of the better sampling of the wavefield prior to the migration...

Methods of estimating wavelet stationarity, stabilizing non-stationarity, and evaluating its impact on inversion: A synthetic example using SEAM II Barrett unconventional model

Jesse Buckner, Michael Fry, Joe Zuech, Peter Harris, Bill Shea

International Meeting for Applied Geoscience and Energy (IMAGE)

... acquisitions of different vintage, geometry and sources are processed and imaged together with a single migration. A robust 3D method is described to assess...

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

... are presented at these well locations.Figure 4. Two time surfaces: McMurray (left) and Devonian (right) on the prestack time migration (PSTM) seismic data...

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

...-wave equation algorithm, which we use to produce a synthetic version of prestack, unmigrated, multichannel seismic data. Data generated by the latter...

Estimation of ocean-water temperature and salinity from marine seismic data for weather prediction and climate modeling

Dwaipayan Chakraborty, Jorlivan Correa, Matheus Mendes Ferreira de Faria, Emmanuel Oladeji, Subhashis Mallick

International Meeting for Applied Geoscience and Energy (IMAGE)

...-column seismic reflections. In our approach, we first use a prestack waveform inversion with genetic algorithm (GA) optimization and estimate...

Production Metric Analytics in the Wolfcamp Formation

Christopher P. Ross

Unconventional Resources Technology Conference (URTEC)

.... Rauch-Davies, M., Sutherland, S., Bradshaw, M., Codd, J., and Kessler, D., 2018, Use of prestack depth migration for improving accuracy...

A Technology to Extract Lithology, Porosity and Hydrocarbon Content from Conventional Seismic Data

Roger A. Young

GCAGS Transactions

... is applied to the entire prestack seismic data set (after careful pre-processing and migration to preserve AVO effects) resulting in sand, shale, and fluid...

Sub-L1 norm regularized inversion deblending in local 3D FK domain for ocean-bottom node data

Jun Sun, Zhaojun Liu, Manhong Guo, Graeme Stock, Bin Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... on migration images. However, if investigated closely, damage to the primary energy and residual blending sources can be found in prestack gathers...

3-D Seismic Data Acquisition in Southern Louisiana: Considerations for Technical and Commercial Success [Abstract]

Steve Knapp, Kevin Callaghan, Randy Sides

New Orleans Geological Society

... the elements; recording systems that can acquire a large number of channels; radio telemetry; GPS positioning; and processing capabilities (prestack...

Abstract: West Cameron 76 Field and Deep Lower Tertiary Framework Revealed Using Sequence Stratigraphy Integrated with SPICE

Barbara J. Radovich

Houston Geological Society Bulletin

... and techniques available in the industry. The geology is examined here with long-cable 3D seismic data and prestack depth migration (PSDM) processing...

Extended Abstract: Influence of Asymmetric Half-Grabens on the Overlying Sag Traps of the South Atlantic, offshore Brazil and Uruguay

Oscar López-Gamundí

Houston Geological Society Bulletin

... reflection data, particularly those processed using prestack depth migration (PSDM), in the offshore of Brazil and Uruguay, unveiled some details...

Workstation Visualization Techniques that Empower the Geologist: Examples from the Deepwater Gulf of Mexico

Louis Liro, Kimberly Cline, Mary Kadri, Mark Lahr, Henry Gerke

GCAGS Transactions

... geophysical and geological model building: a prestack, subsalt depth migration project, deepwater Gulf of Mexico: The Leading Edge, vol. 19 no. 5, p...

Abstract: On the Relationship of Natural Fracture Orientation, Stress Orientation, S-wave Anisotropy, and Azimuthal Variations in the P-wave Seismic Signatures in an Onshore Wide-azimuth 3D Seismic Survey, by H. Lynn, W. Beckham, and R. Grimm; #90937 (1998).

Search and Discovery.com

Abstract: From Dry-Hole to Discovery and Sanction-Ready Development in Less than Three Years: OBS-WAZ Seismic Enables West Boreas and South Deimos Discoveries and Fast-Paced Big Cat Development, by Robert F. Sloan, Fred Diegel, Mark Mc Rae, and Annemieke Van den Beukel; #90124 (2011)

Search and Discovery.com

East Coast Canada: So How Difficult Could a 3D PreSDM Be?

Ali Karagül

Search and Discovery.com

.... of Expl. Geophys., Expanded Abstracts, 2080-2083. Milne, Christian and Stefan Kaculini CGG 2003 CSPG/CSEG Convention, 3D Prestack Depth Migration...

East Coast Canada: So How Difficult Could a 3D PreSDM Be?

Ali Karagül

Search and Discovery.com

.... of Expl. Geophys., Expanded Abstracts, 2080-2083. Milne, Christian and Stefan Kaculini CGG 2003 CSPG/CSEG Convention, 3D Prestack Depth Migration...

Subsurface temperature from seismic reflections: Application to the post-breakup sequence offshore Namibia

Arka Dyuti Sarkar and Mads Huuse

AAPG Bulletin

...). The 3-D prestack time migration (PreSTM) was conducted by ION GXT. The isotropic frequency range for Kirchhoff PreSTM ranged between 3 and 110 Hz. All...

A cross-shape deep Boltzmann machine for petrophysical seismic inversion

Son Dang Phan and Mrinal K. Sen

AAPG Bulletin

... such as the Hopfield neural networks (Hopfield, 1982) have been used for velocity analysis (Calderon-Macias and Sen, 1993), seismic migration (Vamaraju...