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The AAPG/Datapages Combined Publications Database

Showing 31,981 Results. Searched 195,689 documents.

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Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey

Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham

Indonesian Petroleum Association

... azimuth sectors for migration velocity © IPA, 2012 - 35th Annual Convention Proceedings, 2011 analysis and azimuthal tomography velocity model...

2011

Methane migration mechanisms for the Green Canyon Block 955 gas hydrate reservoir, northern Gulf of Mexico

Li Wei, Ann Cook, and Kehua You

AAPG Bulletin

...Methane migration mechanisms for the Green Canyon Block 955 gas hydrate reservoir, northern Gulf of Mexico Li Wei, Ann Cook, and Kehua You 2022 1005...

2022

Porosity Reduction in Sandstone by Quartz Overgrowth: DISCUSSION

Jeffrey S. Hanor

AAPG Bulletin

...., Geochemistry of hydrothermal ore deposits: New York, John Wiley, p. 137-172. Hanor, J. S., 1988, Origin and migration of subsurface sedimentary brines: SEPM...

1988

A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography, #41592 (2015).

Ian Jones, Emma Evans, Darren Judd, Alan Campbell, Steve Elam

Search and Discovery.com

... and the layer pick itself. In this case the model above the soft-constraint pick can change. Velocity Model Building and Pre-Stack Depth Migration...

2015

Incorporation of Geology, Wells, and Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth ModelŽ, #40828 (2011)

Huyen Bui, Peck-Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Mart Smith

Search and Discovery.com

... be wrong at zero offset because the most important parameter that can cause the wrong depth is the vertical seismic velocity used in migration. To create...

2011

Extended Abstract: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas

Ruben D. Martinez

GCAGS Transactions

... accurate velocity models for migration but also be able to account for velocity anisotropy, in this case, TTI (tilted transverse isotropy). The estimation...

2012

Wave equation traveltime Kirchhoff with real data applications

Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav Vyas, Ganyuan Xia

International Meeting for Applied Geoscience and Energy (IMAGE)

... high-resolution models. However, migration gathers are still needed for verifying the quality of the velocity model and for performing post-migration...

2023

Pore Pressure and Elastic Moduli Estimation Considerations for a Simplified Geomechanical Model for Unconventional Plays. A case study in the Vaca Muerta Formation

Sergio Cuervo, Ezequiel Lombardo

Unconventional Resources Technology Conference (URTEC)

... to be performed prior to the estimation of the effective stress. If, as in our case effective stress to velocity relationship is altered...

2017

Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data

A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... heterogeneous and appropriate for ray tracing. The velocity is used as first approximation of velocity field for pre-stack depth migration and updates...

2009

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

Yongwang Ma and Gary Margrave

Search and Discovery.com

... migration (phase shift with constant velocity) in laterally homogeneous media. If the lateral velocity structures in a slab are not extremely...

2015

Washed-out Ripples: Their Equilibrium Dimensions, Migration Rate, and Relation to Suspended-Sediment Concentration in Very Fine Sand: REPLY

Jaco H. Baas , Herman De Koning

Journal of Sedimentary Research (SEPM)

... or Rouse number, ws = particle settling velocity, ß = coefficient relating eddy diffusion coefficients for water and sediment, = Von Karman constant...

1996

Scale Modeling of Bed Forms: Abstract

John B. Southard, Lawrence A. Boguchwal

Dallas Geological Society

... d, mean flow velocity U, fluid density p and viscosity μ, sediment size D and density ps, and gravity g), dimensional analysis provides four model...

1977

Scale Modeling of Bed Forms: Abstract

John B. Southard, Lawrence A. Boguchwal

CSPG Special Publications

... d, mean flow velocity U, fluid density p and viscosity μ, sediment size D and density ps, and gravity g), dimensional analysis provides four model...

1977

Abstract: Case Studies: Full-waveform Inversion and FWI Imaging for Land Data; #91204 (2023)

Cristina Reta-Tang, James Sheng, Faqi Liu, Alfredo Cantu, Alejandro Vargas

Search and Discovery.com

...Abstract: Case Studies: Full-waveform Inversion and FWI Imaging for Land Data; #91204 (2023) Cristina Reta-Tang, James Sheng, Faqi Liu, Alfredo Cantu...

2023

Abstract: Tomographic Reflected-Wave FWI Using Time Lag; #90254 (2016)

Geoff Clark, Yilong Qin

Search and Discovery.com

...-wavelength velocity model. However, ray theory does not properly describe wave propagation in the case of complex heterogeneities such as a low...

2016

Full Waveform Inversion on Bekapai Field: A Game-Changer Technology for Our Seismic Imaging Workflows

Magali Beele, Clement Fleury, Claudio Strobbia, Muhammad-Thurisina Choliq, Jacques Bonnafe, Gilles Vallon

Indonesian Petroleum Association

... traces. CGG provides the initial velocity model obtained by merging the OBC fast-track pre-stack depth migration (PSDM) velocity model...

2014

Accurate Depth Conversions Reduce Risk

Larry C. Luton, Corine Prieto

GCAGS Transactions

..., as the velocity required to best image data in the stacking and/or migration processing sequence. A long acquisition streamer or cable length is necessary to obtain...

2000

Role of Hydraulic Sorting in the Origin of Fluvial Placers

Rudy Slingerland

Journal of Sedimentary Research (SEPM)

... = concentration of suspended load, w0 = constant terminal settling velocity, U* = friction velocity, and k0 = Von Karman constant. For any elevation...

1984

Quantitative Models for the Influence of Salt-Associated Thermal Anomalies on Hydrocarbon Generation, Northern Gulf of Mexico Continental Margin

I. Lerche , A. Lowrie

GCAGS Transactions

... Sigsbee Escarpment can then be inferred. Possible migration rates of the UM-P Sigsbee Escarpment to its present position yield: For constant movement...

1992

Evaluation of Eustasy, Subsidence, and Sediment Input as Controls on Depositional Sequence Geometries and the Synchroneity of Sequence Boundaries: Chapter 13: Recent Developments in Siliciclastic Sequence Stratigraphy

David T. Lawrence

AAPG Special Volumes

... models are summarized in Table 2. Case 1 (Figure 3) is a model of stratigraphy in a subsiding basin with constant sea level. Subsidence rates increase...

1993

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