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The AAPG/Datapages Combined Publications Database

Showing 701 Results. Searched 200,673 documents.

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Abstract: Improved Imaging of a Fold and Thrust Belt Regime, Onshore Trinidad, by Means of the Common Reflection Surface (CRS) Method; #90238 (2015)

Dennis Otto, Philip Schlueter, Terrell Dhanpaul, Samuel Ragbir, Curtis Archie, and Nancy Gallai-Ragobar

Search and Discovery.com

... used as input to a Kirchhoff PreSTM and the improved S/N ratio was transferred into the prestack migrated domain. Again, the migration velocity...

2015

Abstract: Reservoir Surveillance Case Study for a Steam Flood Project in Kuwait; #90310 (2017)

Amal Al-Murtairi, Zu Biao Ren, John Tinnin, Antoine Paré

Search and Discovery.com

... efficiency and removing human error. Resulting data was processed and imaged with proprietary 3DVSP Kirchhoff depth migration algorithms. Due...

2017

-- no title --

user1

Search and Discovery.com

...-layer, non-linear slope tomography updates were run to update the velocity model and enhance the image. Kirchhoff depth migration was performed...

Unknown

Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)

Peng Cheng, Gary F. Margrave, David C. Henley

Search and Discovery.com

..., stacking, poststack Gabor decon, and Kirchhoff time migration. For the plain Gabor deconvolution case, both prestack and poststack deconvolution were...

2015

Application of poststack image enhancement with dip-guided selective stacking in southern Gulf of Mexico

Janet Ravelo-Cervantes, Ricardo Francisco Castrejon-Martinez, Julio Cesar Hernandez-Villalobos, Raul Ysaccis, Said Hernandez-Jaramillo, Doan Saavedra-Castaneda

International Meeting for Applied Geoscience and Energy (IMAGE)

... to apply this process was the difficulty to interpret geological horizons in the Kirchhoff pre-stack depth migration (KPSDM) image due to significant...

2022

High resolution imaging using multiples „ A North Sea case study

Chandan Kumar, Rodney Johnston, Petr Jilek, Xiaolei Song, Mikhail Davydenko

International Meeting for Applied Geoscience and Energy (IMAGE)

... In this paper, we propose a workflow based on least-squares full wavefield migration (LS-FWM). It can make use of raw hydrophone and geophone data...

2024

DAS microseismic reflection imaging for hydraulic fracture and fault zone mapping

Yuanyuan Ma, Jonathan Ajo-Franklin, Avinash Nayak, Xiaoyu Zhu, Julia Correa

International Meeting for Applied Geoscience and Energy (IMAGE)

... Acoustic Sensing (DAS). The imaging technique treats microseismic events as high-frequency sources and applies prestack Kirchhoff migration to each...

2023

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

Search and Discovery.com

... tracing based traveltime table generation of the Kirchhoff migration. Smoothing of the velocity model is usually performed to reduce these instabilities...

2015

Abstracts: Fracture Analysis with Interpolation Before Prestack Migration; #90173 (2015)

Ye Zheng, Warren Upham, and Mark Ng

Search and Discovery.com

... to economic and environmental reasons, but migration algorithms require evenly sampled data. Kirchhoff migration can handle irregularly sampled data...

2015

Getting it Right the First Time in the Ceduna Sub-Basin: Regional and Target Depth Imaging in a Frontier Setting

Weidi Koh

Australian Petroleum Production & Exploration Association (APPEA) Journal

... execution. Keywords: amplitude versus offset (AVO), depth imaging, dual sensor, frontier basin, Great Australian Bight, prestack depth migration...

2017

Abstracts: Making New with Old: Reprocessing Vintage Seismic Data from the Western Arctic Islands using Modern Methods; #90173 (2015)

Mathieu J. Duchesne, Virginia I. Brake, and Tom Brent

Search and Discovery.com

... Kirchhoff time migration for hyperbola present at greater time depths (>3 secs) (Figure 1). Frequency content of the sections has been harmonized to limit...

2015

Abstract: Imaging Oblique Reflectors with Prestack Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

...Abstract: Imaging Oblique Reflectors with Prestack Migration; #90174 (2014) John C. Bancroft, Thais Guirigay, and Helen Isaac AAPG Datapages/Search...

2014

Know Before You Go!

Lars Zühlsdorff, Trond Haugland

GEO ExPro Magazine

... suitable for migration tests. Using different background models for Kirchhoff target migration, i.e., different velocity fields, the effect...

2021

What do acoustic FWI derived amplitudes mean in terms of elastic properties?

Dhananjay Kumar, Ana Garcia-Ceballos, Joe Dierkhising, Abigail Maxwell, Akkel Paul

International Meeting for Applied Geoscience and Energy (IMAGE)

... al., 2021) to derive P-wave velocity (Vp), S-wave velocity (Vs) and density (ρ). However, the more common practice to save cost and run acoustic FWI...

2024

Migración Sísmica Anisótropa 3D en Tiempo y en Profundidad antes de Apilamiento por el Método de Kirchhoff en el Campo Soto Mapiri, Este de Venezuela. [PAPER IN SPANISH] 3D Anisotropic Seismic Migration Time and in Depth before Stacking by the Kirchhoff

A. A. Ortega, D. Sekulic, J. Crowther, C. Gordillo, Y. Lopez, M. Gomez

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

.... [PAPER IN SPANISH] 3D Anisotropic Seismic Migration Time and in Depth before Stacking by the Kirchhoff A. A. Ortega, D. Sekulic, J. Crowther, C...

2006

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... dependent on the choice of the de-migration operator. In practice, if only image-domain LSRTM is intended, simple derivations below show...

2022

Geological Principles of Imaging Permian Salt Bodies in the North Sea and Irish Sea, #40779 (2011)

Gavin H. Ward

Search and Discovery.com

... to match Reverse Time Migration frequency range 3D Depth migrated Reverse Time Migration shown with gain to match Kirchhoff amplitude decay Back...

2011

Multiple attenuation using 3D SRME with targeted demigration

Marin Petkovic, Ahmed Abouserie, Zhen Wang, Brad Wray

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the WB-BOS peg-leg residual multiples persisted (Figure 1c). Introduction Conventional SRME limitations Most migration techniques are based on a single...

2024

Abstracts: General Anisotropic Travel Times … A Purpose Built Solution; #90173 (2015)

R. Phillip Bording

Search and Discovery.com

..., Banff, Canada, May 2008. [12] L. He, and R. P. Bording, A Monte Carlo method based travel-time calculation in Kirchhoff modeling and migration, CGU...

2015

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