Jumpstarting Hydrocarbon Exploration and Development in the Philippines

Rene Villafuerte, Jun Wang, Yitao Chen, Peter Chia

Southeast Asia Petroleum Exploration Society (SEAPEX)

... zones below. The absence of diving waves inhibits proper velocity modelling and depth imaging. An accurate velocity model and advanced migration approach...

Insights on time-lapse changes from 4D joint full-waveform inversion in Mississippi Canyon, Gulf of Mexico

Markus Albertz, Vincent Durussel, Tianjiang Li, Gaurav Dutta, Xin Cheng, Oscar Perez, Markos Sourial, Aurora Rodriguez Castelan

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Due to higher resolution and better illumination compared to conventional migration images, high-resolution velocity models and FDRs are increasingly...

Bed Configurations

J. C. Harms, J. B. Southard, D. R. Spearing , R. G. Walker

Special Publications of SEPM

... are unSystematic observations of current common except in the shallowest flows. velocity associated with migration of bed forms (Boothroyd and Hubbard, 1972) have...

Frontmatter: Proceedings of the Southeast Asia Petroleum Exploration Society - Volume X - 1992

Southeast Asia Petroleum Exploration Society (SEAPEX)

... Prosser, Fletcher Challenge Petroleum Asia.   OSEA-92237 Migration Velocity Analysis by Migration of Velocity Spectra 29 by Craig J. Beasley and Rolf...

Uncertainty in Surface Microseismic Monitoring; #41258 (2013)

Mike Mueller, Michael Thornton, and Leo Eisner

Search and Discovery.com

... Abstract Uncertainty in a migration based approach to surface and near surface microseismic monitoring occurs in two ways: uncertainty in the validity...

A case study using FWI to image pre-Messinian target in the East Mediterranean Sea

Jyoti Kumar, Marcus Bell, Tamer Darwish, Mai Ahmed, Mahmoud Ahmed, Moataz Ahmed

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and it consists of a mixture of salt and clastics known as 'dirty salt,' which presents another challenge for velocity model building (VMB). In order to improve...

S-wave velocity model building using PP-PS tomography with dynamic warping

Terence Krishnasamy, Ronaldo Florendo, Aravind Nangarla, Carsten Udengaard, Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser

International Meeting for Applied Geoscience and Energy (IMAGE)

... so that we can integrate these two different wavefields for the migration and velocity model building (Krishnasamy et al., 2014). To honor lateral...

Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

..., postcritical reflections, and refractions. Detailed velocity analysis can be performed with little or no limiting assumptions. The transformed data can...

Abstract: Sub-Salt and Sub-Basalt Imaging Using Long Offset and Multicomponent Seismic Data, by J. Gaiser, N. Jones, and P. Fontana; #90923 (1999)

Search and Discovery.com

Unlocking hidden potential in shallow water Gulf of Mexico legacy data for carbon capture and storage exploration

Rachel Collings, Igor Marino, Adriana Arroyo Acosta, Jack Kinkead, Hugo Medel, Trong Tang, Gabriela Suarez, Brett Sellers

International Meeting for Applied Geoscience and Energy (IMAGE)

... can produce results suitable for characterizing and derisking a site, within the shallow water region of the Gulf of Mexico. Analysis of the field...

Refraction tomography at the Nova Ni-Cu mine

Ian James, Graeme Hird, Andrew Fitzpatrick

Petroleum Exploration Society of Australia (PESA)

..., the refracted arrival is digitised and used to correct for nearsurface velocity variations. By performing a 3D inversion of these first arrivals, a high...

Premigration attenuation analysis and mapping to image domain by weighted migrations

Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the American Association of Petroleum Geologists Premigration Q analysis and mapping to image domain migration velocity imperfections. Another...

Abstract: Introducing A Priori Information in Non-Linear Slope Tomography: An Application to Minagish Seismic Survey, by Patrice Guillaume, Diego Carotti, Abdul Latif Al-Kandari, Nicolas Deladerriere, Adel H. El-Emam, Gilles Lambaré, Pierre Mitouard, Jean-Philippe Montel, Antony Prescott, Jean-Paul Touré, and Xiaoming Zhang; #90105 (2010)

Search and Discovery.com

Key Technologies for Processing of Seismic Data in Gas Cloud Area

Search and Discovery.com

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

.... Because the velocity field is initially unknown, we generally start by assuming a rather simple velocity model. Then the migration process gives us a better...

Simulation of the Genesis of Current Ripples by Means of a Cellular Automaton

J. J. P. Zijlstra

Special Publications of SEPM

... the various parameters grain diameter grain density fluid viscosity and fluid velocity that appear to control the bed surface morphology the migration...

A Robust Gradient for Long Wavelength FWI Updates

Jaime Ramos-Martinez, Sean Crawley, Kathy Zou, Alejandro Valenciano, Lingyun Qiu, Nizar Chemingui, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... the migration isochrones that dominate the gradient in heterogeneous media, thereby accommodating low wavenumber updates in the velocity model beyond...

3D Velocity Model Building and Seismic Imaging Combining Tomography and Model Based Approaches in the Peniche Basin, #42302 (2018).

Olivier Clauss, Ylva Malmcrona Diaz-Ambrona,

Search and Discovery.com

...3D Velocity Model Building and Seismic Imaging Combining Tomography and Model Based Approaches in the Peniche Basin, #42302 (2018). Olivier Clauss...

Three-Phase Darcy Migration in Basin Modeling

Search and Discovery.com

Implementation aspects of elastic FWI and its application to sparse OBN surveys

Cosmin Macesanu, Faqi Liu, Yi Huang, Hao Hu, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

... Elastic FWI for OBN surveys work. We also thank TGS Multiclient for the permission to publish the results. Figure 2: Migration stacks and velocity...

Sedimentologic and Physical Oceanographic Evidence of a Shelf Edge Counter Current Off Guinea Bissau, Guinea and Sierra Leone

David W. McGrail

Journal of Sedimentary Research (SEPM)

... that an anomalous northwestward migration of sediment is taking place under the southeastward flowing surface waters of the Canary Current...

The Application of Fluoboric Acid in Sandstone Matrix Acidizing: A Case Study

A. Ayorinde, C. Granger, R. L. Thomas

Indonesian Petroleum Association

... in core flow tests designed to exceed the critical flow velocity for fines migration that migration was not restricted to clay. His analysis indicated...

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

.... To complete the model for depths greater than 400 meters, the available pre-stack time migration velocity field was combined to the shallow velocity model...

A stable TTI acoustic wave equation

Linbin Zhang, Edose Ohen

International Meeting for Applied Geoscience and Energy (IMAGE)

..., T., and I. Tsvankin, 1995, Velocity analysis for transversely isotropic media: Geophysics, 60, 1550–1566, doi: https://doi.org/10.1190/1 .1443888. Chu, C...

High-frequency FWI velocity model building for hydrocarbon delineation

Lianping Zhang, Souvik Sengupta, Chirag Parekh, Robert Eliott-Lockhart

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The legacy pre-stack depth migration (PSDM) processing was performed in 2011, and associated velocity model from legacy tilted transverse isotropy...