Improving 3D Images

Andrew Long, Constantine Tsingas

GEO ExPro Magazine

..., noise attenuation and migration imaging solutions. PGS acquired the 1100 km2 Offshore Philippines multi-client HD3D survey during 2002. A structurally...

Clari-Fi’: Broadband Data from Conventional Streamer Acquisition

Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS

GEO ExPro Magazine

... of seismic interpretation at your fingertips The results of Clari-Fi on 2D data from offshore West Africa. A Kirchhoff pre-stack time migration (PSTM...

Seismic Reservoir Characterization of a Gas Shale Utilizing Azimuthal Data Processing, Pre-stack Seismic Inversion and Ant Tracking

David Paddock, Christian Stolte, John Young, Patricia Kist, Lei Zhang, Javaid Durrani

West Texas Geological Society

... applied prior to VTI anisotropic Kirchhoff prestack time migration (KPSTM). Two full azimuth 3D seismic volumes were created: a prestack volume...

Seismic Foldout: Exploration Opportunities in The Gambia and Senegal

Felicia Winter, Anongporn Intawong, Paolo Esestime, TGS

GEO ExPro Magazine

... the Cretaceous shallow water limestones. The Gambia, Bid ­Opportunity Prospects Migration pathways converge at the uplifted crests along the palaeo...

Large-Scale Seismic Acquisition in Congested, Shallow Water Areas: Observations from Modern OBN Data in the Gulf of Mexico

John Smythe, Henrik Roende, Brad Torry, Richard Griffin

GCAGS Transactions

... time migration (RTM) and TTI Kirchhoff migrations, as well as sub-stacks will greatly benefit from the increased fold and subsurface sampling that FAN...

Abstract: Al-Khalij Field (Block 6.Qatar) Development Optimization: A New Dedicated Reprocessing, by Enrico Zamboni; #90105 (2010)

Search and Discovery.com

ABSTRACT: Champlain: A Subsalt Discovery in the Deepwater Gulf of Mexico; #90007 (2002)

Wilson, Louise, Brian Cabote, Douglas Weaver, Bo Cribbs, Arthur Leibold

Search and Discovery.com

..., a semi-regional Kirchhoff PrSDM was executed over a 67 in/26 out area covering northern Atwater Valley and southern Mississippi Canyon. This step...

Role of 3-D Seismic Data in Prediction of High Potential Areas within Pre-Tertiary Fractured Granite Basement Reservoir in Cuu Long Basin, Vietnam Offshore, #40702 (2011)

Nguyen Huy Ngoc, Nguyen Quoc Quan, Hoang Ngoc Dong, Nguyen Do Ngoc Nhi

Search and Discovery.com

... such as Kirchhoff and Beam Anisotropic Pre-stack Depth Migration could provide good imaging not only for top of the basement but also for faults inside...

Practical considerations for computing the kernels of reflection-based full-waveform inversion

Houzhu (James) Zhang, Hong Liang, Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... Kirchhoff migration or using RTM for higher resolution (Yang et al., 2015). • Flatten the image gathers and use the image at zero or near offset...

Advanced Reprocessing and Imaging: Enhancing Legacy Surveys

Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry

Petroleum Exploration Society of Australia (PESA)

... using TTI Kirchhoff prestack depth migration and comparisons were made to the previous time domain imaging results undertaken in 2010. Key words...

Central Kalimantan Weight Drop Seismic Acquisition and Implication to Petroleum Exploration

Riki Tasrianto

Indonesian Petroleum Association

... to enhance coherent signal and reduce random noise. An industry standard seismic processing workflow including Kirchhoff Pre Stack Time Migration...

High-fidelity full-waveform imaging via impedance inversion

Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song

International Meeting for Applied Geoscience and Energy (IMAGE)

...) is consistent with the earlier formulations of Kirchhoff migration (Operto et al., 2000) and RTM (Zhang et al., 2012) when the density is constant...

A successful story of working with towed streamer and ocean-bottom node data on interpolation and image enhancement

Heather Yao, Amr Elsabaa, Nathaniel Cockrell, Dawit Desta, Ruoyu Gu, Christina Tapia, Nigel Hicks, Lauren Peschier

International Meeting for Applied Geoscience and Energy (IMAGE)

... acquisition-related illumination differences can enhance pre-migration interpolation in obstructed zones and optimize the final subsurface image. It focuses...

Improved Understanding and Interpretability Beneath the Complex Accretionary Section in West Timor, Indonesia, Via Marine Broadband Seismic and Beam Depth Migration

Mazin Farouki, Felice D'Alterio, Erika Gentile

Indonesian Petroleum Association

... of Beam Migration combines the multi-arrival capability of wave equation migration with the efficient steep dip imaging capability of Kirchhoff...

Exploring the Icelandic Frontiers

Alozie-Davies Okere

GEO ExPro Magazine

... techniques such as Fully Ray-Traced Kirchhoff Pre-stack Time Migration. The reprocessed dataset shows significant improvement in fault plane resolution...

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...

Combined OBN and high-resolution 3D streamer acquisition for CO2 monitoring: Initial model building and imaging results over Sleipner

Simon Stokes, Sandrine David, Eddie Cho, Dhiman Mondal, Graeme Stock, Simon Baldock

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the implementation of advanced migration techniques. In 2022 a field trial of this hybrid acquisition method, covering an area of 15 km2, was undertaken over...

Higher Trace Density Recording for Foothills 3D Surveys

R. Malcolm Lansley

Search and Discovery.com

... Kirchhoff curved-ray migration algorithm. AAPG Search and Discovery Article #90168©2013 CSPG/CSPE GeoConvention 2007, Calgary, Alberta, Canada, May...

Higher Trace Density Recording for Foothills 3D Surveys

R. Malcolm Lansley

Search and Discovery.com

... Kirchhoff curved-ray migration algorithm. AAPG Search and Discovery Article #90168©2013 CSPG/CSPE GeoConvention 2007, Calgary, Alberta, Canada, May...

Revisiting the Subsurface Geology of Sabine Peninsula (Melville British Columbia, Canada Island, Western Arctic) Through Geostatistically-Steered Data Processing and Interpretation; #51052 (2014)

Virginia Brake, Mathieu J. Duchesne, Keith Dewing, M. Claprood, E. Gloaguen, Tom Brent

Search and Discovery.com

... to remove both coherent and random noise, 3) Data were migrated following the principals of Kirchhoff migration through the use of velocity models...

High-EffortŽ Seismic Acquisition: Improving Image Detail; #41568 (2015)

David C. Henley, Kevin Hall, Henry Bland, Eric Gallant, Gary Margrave, Malcolm Bertram

Search and Discovery.com

.... Stacking, migration, and display Each data set was CDP stacked with the common velocity function, using the newly decimated CDP bins created...

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

... useful for constraining the migration operator in a Kirchhoff-like migration method. By setting x m = 0 , i.e., the case for zero-offset simulation (NMO...

Seeing through the shear zone for the first time: The impact of seismic technologies on the clarity of seismic image over Bahrah field

Ali Mohamed, Adel El-Emam, Nacim Brika, Halis Bayri, Amr Issa, Kashif Adeel

International Meeting for Applied Geoscience and Energy (IMAGE)

...) depth velocity model building and 3D Kirchhoff depth migration (KDM). This study demonstrates the effectiveness of the applied processing workflows...

Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea, #30507 (2017).

Tom Wooltorton, Stephen Leslie, Merritt Smith, Rachael A. Moore

Search and Discovery.com

... Guinea.  The delivered migrated cubes used Kirchhoff pre-stack time migration, interpolated at 12.5 x 12.5m.  Additional gather conditioning...

Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration

Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao

Indonesian Petroleum Association

...Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration Xiuyuan Li, Harmit Singh, Joe Zhou, Graham...