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The AAPG/Datapages Combined Publications Database

Showing 193 Results. Searched 200,293 documents.

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Stratigraphic and Structural Interpretations Using Diffraction Seismograms

Richard K. Snavely , A.K.M. Sarwar

GCAGS Transactions

...). The model extends from the surface to a depth of 8000 ft and includes twenty horizons. The velocity values above the first horizon are based on only one...

1988

Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset

Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... technologies. RTM is a powerful depth migration technique used to create high-resolution images of complex subsurface structures (e.g., Baysal et al...

2024

Integrated 3D Seismic Data Modeling and Processing Methodology for Structural Model Analysis: Case Study

T. Salinas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... (PSDM) that requires perform a careful interpretation in depth as the seismic velocity behavior is modeled. The availability of this structural...

2006

The effects of marine currents on seismic data

Gary Hampson

International Meeting for Applied Geoscience and Energy (IMAGE)

... a stationary medium overlying a medium moving with velocity u . If an impulse is injected at xs on the boundary, a semi-circular wavefront, centred on xs...

2024

Constraints on Eolian Grain Flow Dynamics Through Laboratory Experiments on Sand Slopes

Richard R. McDonald , Robert S. Anderson

Journal of Sedimentary Research (SEPM)

..., and then steadily decreased to  10 cm/s towards the tail of the flow. The longitudinal velocity gradients created considerable longitudinal strain rates...

1996

Common Reflection Surface (CRS) Stack: Limitations and Opportunities for High-Resolution Seismic Imaging; Real Data Cases

M. S. Jaya, E. A. Sentani, Yendri, Widjonarko, D. Santoso

Indonesian Petroleum Association

... wavefield attribute sections that are useful in further processing such as tomographic velocity model inversion and depth migration processing...

2007

N/A

Know Before You Go!

Lars Zühlsdorff, Trond Haugland

GEO ExPro Magazine

... as determined from seismic velocity analysis, well logs, check shots, or even best guesses. On the modeling side, a technique called wavefront construction...

2021

Abstract: Seismic Data Reconstruction Using the Nonlinear Beamforming Framework; #91204 (2023)

Yimin Sun and Quentin Hirsch

Search and Discovery.com

... of them. Every missing data point in the spatial dimension on a wavefront is reconstructed via a weighted summation of a linear interpolation...

2023

Novel Land and Marine Solutions Including Time-Lapse Using High Resolution Multi-Transient EM

Folke Engelmark

Indonesian Petroleum Association

... sampling in relation to target depth, and to achieve the necessary S/N at target levela in the shortest possible time given a particular source...

2008

2.3 Detached Sediments in Extensional Provinces: 2.3.2 Salt Tectonics: Salt Diapirs--East Texas Basin

M. Engleman and D. A. Kemmer

AAPG Special Volumes

.... Depth-converted sections are constructed utilizing velocity surveys that measure the travel-time of a seismic wavefront to depth-selected checkshots...

1983

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... decreases with depth, and hence resolution deteriorates with depth. At 10,000-15,000-ft (3,000-4,500 m) depth, velocity may be in the 12,000-20,000 ft/sec...

1976

Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)

John C. Bancroft and Thais Guirigay

Search and Discovery.com

... with the synthetic seismograms. 4000 Velocity (m/s) 3500 Vs-int-Log(z) Vs-int-Estimated(z) 3000 2500 2000 1500 1000 500 0 1000 2000 3000 4000 Depth (m) 5000...

2015

Streamlining subsurface insights: Single extrapolation for holistic Green's function generation

Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of migration velocity models. Traditionally, prestack depth migration (PSDM) based on ray-tracing-based Kirchhoff integration is predominantly employed...

2024

Compressive sensing framework using the linear radon transform for 3D ultrasonic data reconstruction in a pinch-out reservoir model

Pedro C. de Assis, Romulo B. da Silva, Irineu A. Lima Neto, Alan C. Galante, Alexandre L. Campi, Alessandro R. de Oliveira, Roseane M. Missagia, Marco A. R. Ceia

International Meeting for Applied Geoscience and Energy (IMAGE)

... to recover the data in the original grid. We also exploited the linear Radon transform by imposing wavefront constraints aiming to obtain a sparser...

2022

Migration Amplitude Recovery using Curvelets

Peyman P. Moghaddam

Search and Discovery.com

... linear system of equations using linear solvers. Examples Figure 1 shows three different curvelets in different locations and angles before and after...

Unknown

Migration Amplitude Recovery using Curvelets

Peyman P. Moghaddam

Search and Discovery.com

... linear system of equations using linear solvers. Examples Figure 1 shows three different curvelets in different locations and angles before and after...

Unknown

Poro-acoustoelasticity FD simulation of elastic wave propagation in prestressed porous media

Haidi Yang, Li-yun Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Velocity-Stress Poro-Acoustoelasticity equations Traditional 2oeCs (bulk and shear moduli) in the realm of linear elasticity are not sufficient to describe...

2022

Seismic Acquisition Optimization for Exploration in Thrust Belts and Foreland Basins; #42268 (2018)

Pedro Muñoz, Juan Uribe, Nestor Sanabria

Search and Discovery.com

...-Linear Primary-Multiple Separation with Directional Curvelet Frames: Geophysical Journal International, v. 170, p. 781-799. Jiang, T., B. Gong, F. Qiao...

2018

Seismic Diffraction Imaging of Reservoir Fractures with DAS Seismic Data in a Horizontal Well

Brian Fuller

Unconventional Resources Technology Conference (URTEC)

... modeled for three different positions in a constant velocity medium of 10,000 ft per second, at a horizontal DAS cable depth of 8,800 ft...

2022

Structure of the Tokai segment from the integrated high-resolution seismic imaging: A case study from the eastern Nankai Trough

Andrzej Grszczyk, Rafael Almeida, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

... before - provided that the velocity model is accurate. The resulting images in the depth-domain provide detailed and complementary information about...

2022

Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

..., the objectives of vertical seismic profiling are different from those of velocity surveying, specifically: 1. VSP data are recorded at vertically spaced depth...

1985

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