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The AAPG/Datapages Combined Publications Database

Showing 38,071 Results. Searched 189,018 documents.

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Accurate Depth Conversions Reduce Risk

Larry C. Luton, Corine Prieto

GCAGS Transactions

... is required. Well Tops Well top data is a correlation of seismic time to a measured well depth. These data can give a velocity model additional...

2000

An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement

Andy Furniss

Petroleum Exploration Society of Australia (PESA)

... in fastidious detail and then discard that precision by spending only a matter of days or a week building the velocity model for depth conversion. Table 1...

1999

Reflection or Refraction?

Aleksandr Nikitin, Nikolay Amelin, Sergei Pokrovskii, Andrey Lekomtsev

GEO ExPro Magazine

... a refracted wavebased velocity model can be a better, more stable and reliable alternative for signal enhancement data processing, migration procedures...

2017

An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement

Andy Furniss

Indonesian Petroleum Association

... of velocity-sensitive depth imaging techniques such as pre-stack depth migration has created a demand for more accuracy in velocity model building...

2000

Reveal The Velocity Anomalies in Complex Overburden and Enhanced The Imaging through Shallow Gas: A Case Study in SisiNubi Mahakam, Indonesia

Annas Astuti, Yohanes Kristomo, Bee Jik Lim, Ginanjar Satria, Natalia Anggriani

Indonesian Petroleum Association

... model complexity, the 3D prestack depth migration project integrates full-waveform inversion in the velocity model building to delineate the velocity...

2019

Seismic Imaging and Interpretive Model Building in the Colombian Andes

Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

.... Depth migration in thrust-belt environments like the Colombian Andes requires an interpretive approach to building a depth-migration velocity model...

2006

Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth

emamedov

Search and Discovery.com

... capture of the interactive model-building display. The depth-migrated seismic data for the current model were overlaid on a colour map of the velocity...

Unknown

Depth Imaging „ Seeing the Invisible

Vetle Vinje

GEO ExPro Magazine

... Solving the wave equation Complexity of velocity model Computer efficiency Steep dips Model building Kirchhoff Migration Ray tracing Moderate...

2010

Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)

Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin

Search and Discovery.com

..._bs marker). Conclusions A more accurate velocity model for general depth conversion can be achieved by building a stochastic cellular velocity...

2013

Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging

G. Rønholt, J.E. Lie, Ø. Korsmo, B. Danielsen, S. Brown, S. Brandsberg-Dahl, A.V. Mavilio, N. Chemingui, D. Whitmore, M. Farouki

Indonesian Petroleum Association

... inversion (FWI) and separated wavefield imaging (SWIM) for prestack depth migration (PSDM) velocity model building and imaging. The data under...

2014

True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)

M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin

Indonesian Petroleum Association

... with preserved relative seismic amplitudes. These migration operations were anticipated by a careful multi-iteration update of the velocity model used...

2011

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

... in another context; since the migration-velocity field often plays a role in depth conversion, errors in the migration-velocity field can lead to errors...

1992

Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological Structure, Western Berau - Papua, Indonesia

Purbo Santoso, Yayat Supriatna, Tepy Septyana, Leo Tjahjadi, Yonghe Guo

Indonesian Petroleum Association

...Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological...

2019

Full Waveform Inversion for Complex Near-Surface Imaging Using SEG SEAM II Synthetic Model; #42322 (2018)

Ali A. Mohamed, Abdullatif A. Al-Shuhail

Search and Discovery.com

.... In this article, we tested and applied Full Waveform Inversion as a high-end technology in velocity model building and seismic wave migration for imaging complex...

2018

Velocity and Velocity

M. Al-Chalabi

Petroleum Exploration Society of Australia (PESA)

... Processing Assumption of uniform ground Pre-Stack & Model of ground 1------.. Depth Domain Processing structure/ velocity Fig. 7. The velocity cycle...

2000

Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)

Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng

Indonesian Petroleum Association

.... shallow images resulting from Pre-Stack Depth Migration using the final shallow velocity model and the picked PSTM velocity model (Figure 5). Initial...

2011

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

... velocity model is smooth, vary laterally, isotropic, and given in depth domain, hence as a candidate for performing depth migration. perturbation theory...

2009

Abstract: Automatic Velocity Model Building Using Waveform Inversion and Least Squares Reverse Time Migration; #90319 (2018)

Young Seo Kim, Ali Almomin, Yimin Sun, Woodon Jeong, Yi Luo

Search and Discovery.com

...Abstract: Automatic Velocity Model Building Using Waveform Inversion and Least Squares Reverse Time Migration; #90319 (2018) Young Seo Kim, Ali...

2018

A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand

Edward Lewis, Dennis van der Burg, Tony Martin, Lorenzo Russo, Tony Bell

Petroleum Exploration Society of Australia (PESA)

... migration velocity model building project, such as shown here, we deliver a single final velocity model and its associated seismic products. The only...

2018

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... could be submerged to any depth. Physical modeling studies require the building of scaled geological models based on their scaled sonic interval velocity...

1995

Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia

David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim

Indonesian Petroleum Association

... survey. Structural correlation between seismic image and migration velocity model are illustrated along inlines, crosslines and depth slices. Common...

2019

Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration

Robi Junipa, Michel Bee

Indonesian Petroleum Association

... seismograms as a guide. • Third, a velocity model is built. Comprehensive iterative velocity models were created based on the final time-depth...

2010

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