Refined Karst Feature and Fault Identification Through Integrated Wave Field Separation and Imaging of Diffraction Energy

Riaz Alai, Afiq Mokhtar, Christopher Lee Slind, Yonghe Guo, Rizki Krishna Pratama

Indonesian Petroleum Association

.... The only disadvantage is that the velocity impact sits between the pre- and postmigration separation. EXAMPLES In the following, some...

First Look at Seismic Data from a Towed Dual-Sensor Streamer

Andrew Long, Natasha Hendrick, Rune Tenghamn

Petroleum Exploration Society of Australia (PESA)

...-going velocity wavefield extrapolated to t he sou rce level so that the kinematics of surface related multiples are accurately represented. The key...

Geostatistical Simulation of Reservoir Porosity Distribution from 3-D, 3-C Seismic Reflection and Core Data in the Lower Nisku Formation at Joffre Field, Alberta

Raul Cabrera-Garzon, John F. Arestad, Kadri Dagdelen, Thomas L. Davis

AAPG Special Volumes

...). Berge et al. (1995) established an excellent agreement between compressional and shear velocities from laboratory and theoretical predictions of velocity...

Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI

ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the Norwegian Sea. The water depth is between 300-400 meters and the geology is characterized by heavily rotated fault blocks with large lateral velocity...

Application of Wave Equation Tomography in Frontier Areas

Tien-when Lo, Guy W. Purnell

Indonesian Petroleum Association

... about complex local geology makes building an initial velocity model for seismic data migration difficult. We developed a wave equation tomography method...

Challenges of Sub-Thrust Imaging Using Broadband Three-Dimensional Seismic Data: a Case Study in the Outer Banda Arc, Indonesia

Masamichi Fujimoto, Yonghe Guo, Anky Fatwa, Yuki Sasaki

Indonesian Petroleum Association

... velocity modeling. In this interval, one significantly strong reflection was observed regionally at the boundary between the unconsolidated mudstone...

Re-imaging of 2D legacy data in Brazils Equatorial Margin via pseudo-3D model building

David Butler, Daryineth Fernandez, Oscar Perez, Raul Ysaccis, Jason Thekkekara, Juan Perdomo, Christopher McMorland, Aurora Rodriguez Castelan

International Meeting for Applied Geoscience and Energy (IMAGE)

... to narrow-azimuth illumination. To help overcome these limitations, this work merged 312 2D lines and interpolated the earth model between them to create...

Wave-equation based inversion for carbonate reservoir characterization in Kuwait

Rao Narhari, Ahmad Al-Sabari, Afrah Al-Ajmi, Justin Ugbo, Jeremy Harris, Gerard Soto, Panos Doulgeris

International Meeting for Applied Geoscience and Energy (IMAGE)

... multiples investigation, elastic well ties, inversion, and interpretation, focusing on preserving multiples generating layers due to their significance...

Reservoir Characterisation Through Integrated AVO, AI and EI Inversion

Andy Furniss

Indonesian Petroleum Association

... the relationship between P-wave and S-wave velocity is valid. The of gas, and to a lesser extent oil, into the reservoir sands will cause a decrease...

Enhancing Resolution and Improving Imaging: The New Dual-Sensor Seismic Streamer

Natasha Hendrick, Andrew Long, Rune Tenghamn

Indonesian Petroleum Association

... sensor will exist at 0 Hz and integer multiples of Vw/2d, where Vw is the velocity of sound in water and d is the receiver depth. In contrast...

Abstract: Challenges in Conditioning Seismic Data for AVO Offshore Saudi Arabia, by Mahmoud E. Hedefa, Kevin Erickson, and Rafed Kasim; #90105 (2010)

Search and Discovery.com

Abstract: 3-D Seismic Lithology Analysis Utilizing Extended AVO: A Case Study

James DiSiena

Houston Geological Society Bulletin

..., the amplitudes on the seismic stack sections show little to no discrimination between sand-shale lithologic variations or pore fluid variations. A two-term...

Applications of near-field hydrophone data imaging in a shallow water environment: A case study from offshore Egypt

Mahmoud El-Attar, Omar Hossam, Azat Kireev, Arindam Kanrar, Usama Fathy Abdel-Kader, Kai Zhang, Jacob Deeds, Jordan Hassler

International Meeting for Applied Geoscience and Energy (IMAGE)

... the regular streamer data suffer from moveout stretch: 1) near-seabed surface-multiples attenuation 2) assisting in the velocity model building...

Rapid Multiple-Scenario Depth Structure Risk Analysis Case Study in Cuulong Basin, Vietnam

Nguyen Nam, Hong Shien Lee

Indonesian Petroleum Association

... distance to the existing well. Figure 8 - A visual significant difference between scenarios without & with Structural Control of Velocity...

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

... and expectations. A good match was observed between the final velocity model and VSP interval velocity measurements ( Figure 6), confirming...

Abstract: Addressing the Effects of Sand Dunes on Seismic Data from the Rub Al Khali; #90319 (2018)

Mamadou S. Diallo, Jianjiang Chen

Search and Discovery.com

... the objective is to deliver a product suitable for AVO analysis. The low velocity of sand induce significant delays on seismic wave propagation...

Study on fluid discrimination method based on prestack frequency-dispersion characteristics

Lien Bian, Jun Ming, Yuxiu Wang, Qian Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Such velocity dispersion may be useful for fluid identification. Based on this understanding, a new fluid discrimination method is proposed in this paper...

Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34)

Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman

Geological Society of Malaysia (GSM)

... to interpolation problems in between velocity locations. Tomography can go beyond layer restrictions since it uses ray tracing to estimate the correct...

Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... to conventional methods for filtering, velocity analysis, ~d imaging. Data in the (x,t) plane is mapped onto a domain defined by the slowness (reciprocal...

The Effects of Porestructure on Sonic Velocity in Carbonates: Examples from Gunung Rapat Limestone, Ipoh

Muhammad Hafiz Izuddin, Chow Weng Sum, Mohd Shafeea Leman, Khor Wei Chung

Geological Society of Malaysia (GSM)

... are: To establish correlations between rock physical properties (eg: porosity and permeability), sonic velocity and sedimentological/ diagenetic...

Forward Modeling of Seismic Data: Part 7. Geophysical Methods

George Mellman, Paul A. Kunzinger

AAPG Special Volumes

... and the process repeated until a desired correlation between the actual data and modeled results is observed (see the chapter on "Synthetic Seismograms" in Part...

Overpressure in the Abadan Plain, Iran

Search and Discovery.com

Elastic FWI application to a land data set in the Middle East

Anna Sedova, Olivier Leblanc, Thibaut Allemand, Gilles Lambar, Stphane Pellerin, Daniela Donno

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity contrasts from layered sands and carbonates that create multiples and mode conversions. Capturing these velocity variations is essential...

Integrated Workflow for the Reservoir Properties Prediction using the Ultra-Far Seismic Data, Mansoura Area, Onshore Nile Delta, Egypt, #42325 (2019).

Walaa Fathy, Asghar Shams,

Search and Discovery.com

... of the ultra-far seismic data used in the discrimination between low gas saturation, and the commercial gas; furthermore, it can be used to delineate new...

Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12

E. W. Peikert

AAPG Special Volumes

... to estimate interval velocity (Vint) between any pair of Vnmo events. Other formulations can be used to estimate Vint where dip is significant. In concept...