Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method

Tianfei Zhu

Search and Discovery.com

.... It is, for example, a key element of the Kirchhoff migration algorithm which has been a major tool over the past decade for prestack depth imaging...

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)

... on their respective Kirchhoff prestack depth migration (preSDM) stacks are shown in Figure 2. L2 FWI has demonstrated some improvement in the shallow-water region...

A Relict Triangle Zone at Benjamin Creek Gas Field, Southern Alberta Foothills: Geometry, Kinematics and Preservation

Roland G. Dechesne, James W. Muraro

CSPG Bulletin

.... An interpretation has been roughed-in on this near-final version of a post-DMO stack Kirchhoff time migration. Marker horizons shown represent unit tops...

Niobrara Fracture Prospecting Through Integrated Structural and Azimuthal Seismic Interpretation, Silo Field Area, Wyoming; #20148 (2012)

Galen Treadgold, Gloria Eisenstadt, John Maher, Joe Fuller, and Bruce Campbell

Search and Discovery.com

... feeding a second full Kirchhoff pre-stack time migration of the entire Silo 3D. Azimuthal anisotropy was mapped using vectors created from (Vfast-Vslow...

Validating Conductive Fracture Imaging With Cross-well Strain and Permanent Fiber Optic Flow Profiling

Scott Taylor, Anton Reshetnikov, Anna Nazarova

Unconventional Resources Technology Conference (URTEC)

... method presented in Luth et al. (2005) and Buske et al. (2009). This is an extension of the standard pre-stack Kirchhoff depth migration that considers...

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...

High-resolution imaging in the Campos Basin using legacy seismic acquisition

David Brookes, Darrell Armentrout, Milos Cvetkovic, Terry Johnson, Trish Sullivan

International Meeting for Applied Geoscience and Energy (IMAGE)

... interpolation, careful signal processing, DMFWI and Kirchhoff migration produced an image suitable for regulatory and engineering requirements, nicely...

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...