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The AAPG/Datapages Combined Publications Database

Showing 17,696 Results. Searched 200,357 documents.

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Scholte waves from active and passive SB-DAS recordings and their relevance for CCUS: Synthetic and real examples from the North Sea

Simone Re, Ran Bachrach, Ali Sayed, Dmitri Skorinski, Massimo Clementi

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The 30s virtual shot gathers are derived using data recorded within 1 hour (a), 10 hours (b) and 24 hours (c). Panel (d) shows the dispersion spectrum...

2024

Abstract: Quantitative Predication for Reservior Porosity via AVO; #90187 (2014)

Li Ang, Chen Shumin, Zhang Erhua, and Ju Linbo

Search and Discovery.com

..., a double-layer geological model is designed, for a two-layers CMP gathers(figure 1a,1b), two reflection traces are tuned by interferences and formation...

2014

-- no title --

[email protected]

Search and Discovery.com

... that was re-expressed by Fatti et al. (1994). The angle-dependent reflectivity can be calculated using P-wave velocity, S-wave velocity, and density...

Unknown

Iterative Modeling and Imaging of Seismic Data in Depth to Help Delineate Petroleum Reservoirs in the Utah Overthrust Belt

Alvin K. Benson

Utah Geological Association

... control and/or velocity analysis of some kind, the seismic data will typically be stacked according to the common reflection point assumption, and imaging...

1991

Enhancing Reservoir Imaging and Monitoring Using Crosswell Seismic

Sanjeev Dogra, Ajay Nalonnil, Bruce Marion

Indonesian Petroleum Association

... and velocity profiling can be obtained from reflection processing and direct wave processing respectively. As seismic velocity is very sensitive...

2010

Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data

Liwei Cheng, James Simmons, Ali Tura

International Meeting for Applied Geoscience and Energy (IMAGE)

... methods using primaries and freesurface multiples, respectively. Note that the count of the reflection points changes with the velocity, depth interval...

2022

Mitigating cycle skipping in FWI through preconditioned multidimensional optimal transport

James McLeman, Tim Burgess, Tom Rayment, Victor Chua

International Meeting for Applied Geoscience and Energy (IMAGE)

... gathers through the deeperwater section migrated with the initial, L2 FWI and KR FWI velocity models respectively. Figures 3d), e), & f) show the same...

2022

What if you need seismic to understand your geological model? Exploration in the UK Southern North Sea Rotliegend Transition Zone; #90017 (2003)

Hubert J. M. Dejong, Richard Knight, Ray McClenaghan, Franek Mrozek

Search and Discovery.com

... depth migration is not of sufficient quality, iterative pre-stack depth migration is required. Residual move-out analysis on common image gathers...

2003

Sparse OBN acquisition in shallow water at CCS Sleipner field: The role of multiples in FWI

Sandrine David, Eddie Cho, Graeme Stock, Fons ten Kroode, M.A.H Zuberi

International Meeting for Applied Geoscience and Energy (IMAGE)

... Kirchhoff depth migration using the two different velocity models. Figure 2 compares CIGs for both cases. The red arrows marked on the gathers indicate...

2024

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

... bands of FWI iterations using refraction and reflection energy. Within each frequency band, the FWI inversion ran for a maximum of eight iterations...

2014

ABSTRACT: Wave Equation Prestack Depth Migration for Deep Gulf Coast Prospecting

Morgan Brown, Joe Higginbotham, Cosmin Macesanu

GCAGS Transactions

...., Ste. 156, Houston, Texas 77079 ABSTRACT The shallow section in the Gulf Coast normally exhibits a simple, depth-variable velocity profile, which...

2009

Prestack Investigation of Shallow Surface-Sourced Seismic Data in Central-Northern Louisiana

D. Cimadomo, G. Kinsland, R. Zhang

GCAGS Transactions

... bandpass filtering, interactive velocity analysis (IVA), and normal move out (NMO). The data are sorted by common midpoint (CMP) number and consists of 277...

2021

Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling

Abdul Haris, Befriko Murdianto, Adriansyah

Indonesian Petroleum Association

... surface heterogeneity. Figure 3 shows velocity and density model used in (7) the modeling and Figure 4 shows the simulated shot gathers with normal...

2009

Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring

Martin Karrenbach, Steve Cole, Victor Yartsev

Unconventional Resources Technology Conference (URTEC)

... using the initial velocity model. Rays originating from the center of each stage and propagating above and below the treatment level to the top...

2015

A field data application of RockAVO: Data-driven, direct petrophysical inversion of prestack seismic data

Miguel Corrales, Hussein Hoteit, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

...-stack data and migration velocity. Once we have the offset and velocity fences, we convert them into angle gathers. Next, we create reliable initial...

2023

The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

... of The Velocity Model,PhD thesis, Universität Karlsruhe. Perroud, H., Hubral, P., and H¨ocht, G., 1999, Common-reflection-point stacking in laterally inhomogeneous...

2009

Santos Vision: Innovative Seismic Data Processing in a Super Giant Oil Basin

Hermann Lebit, Sriram Arasanipalai, Jeff Tilton, Pascal Ollagnon, PGS

GEO ExPro Magazine

... buildups that nucleate along up-thrown fault blocks. between the observed data and the synthetic data, modeled using a migrated stack and a velocity model...

2019

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

... that MBAR can extend the usable angle ranges of common-image-point angle gathers by 5~15. Postmigration data conditioning tests show that MBAR can...

2022

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