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The AAPG/Datapages Combined Publications Database
Showing 31,886 Results. Searched 195,372 documents.
Critical Depth Uncertainty Analysis for Accurate Well Planning at Tangguh
Nurfiana Rachmawati
Indonesian Petroleum Association
... lateral and vertical velocity variation, Kirchhoff migration loses part of its efficiency and accuracy (Garabito, 2010). CBM is a seismic processing...
2017
Fit-for-Purpose Depth Imaging of Sub-Thrust and Strike-Slip Fault Regime Onshore Myanmar
Search and Discovery.com
N/A
Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).
Samuel Gray
Search and Discovery.com
.... For prestack time migration, velocity analysis on these gathers is exactly analogous to velocity analysis on unmigrated CDP gathers. Prestack depth migration...
2015
Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)
Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto
Search and Discovery.com
... below shallow velocity abnormal. How to build a high resolution velocity model is the key for pre-stack depth migration to improve the carbonate...
2023
Accurate Depth Conversions Reduce Risk
Larry C. Luton, Corine Prieto
GCAGS Transactions
..., as the velocity required to best image data in the stacking and/or migration processing sequence. A long acquisition streamer or cable length is necessary to obtain...
2000
Simultaneous inversion of velocity and angle-dependent reflectivity
Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai
International Meeting for Applied Geoscience and Energy (IMAGE)
... is crucial for AVA analysis. In our work, we expand on Yang et al.'s (2022) simultaneous inversion workflow, which updates velocity and stacked 3D...
2023
Imaging below Seafloor Canyons and other Rugose Features
Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon
Australian Petroleum Production & Exploration Association (APPEA) Journal
... of velocity related structural distortions. Keywords: depth imaging, depth migration, earth model building, seafloor topography, tomography. Accepted...
2017
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
... with seismic-stratigraphic principles. Velocity analysis starts with the formation of CDP velocity gathers at a number of points along the section. The travel...
1985
Thoughts and Observation on Interpreting Depth-Imaged Data in the Jurassic Norphlet Play, Deepwater Eastern Gulf of Mexico, #41342 (2014)
Donald A. Herron
Search and Discovery.com
.... The availability of several versions of depth imaging based on a single velocity model but with different migration algorithms requires an interpreter...
2014
High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia
Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree
Indonesian Petroleum Association
... difficulties for conventional raybased reflection travel-time tomography. Figure 3 - Initial velocity and refraction energy penetration analysis (Depth...
2023
Mexico: Maximus Survey: Opportunities in Deepwater Gulf of Mexico
Jeroen Hoogeveen, Jeniffer Masy, MCG, Geoex
GEO ExPro Magazine
... velocity model. When lateral velocity variations are significant, the generation of an accurate velocity model using a standard velocity analysis...
2020
Geologically Constrained Seismic Imaging in Andean Thrust Belts, #42530 (2020).
Rob Vestrum,
Search and Discovery.com
... migration uses raytracing through geologic model Corrects for near-surface effects Requires a priori knowledge for structural velocity model Velocities...
2020
Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)
Thais A. Guirigay and John B. Bancroft
Search and Discovery.com
... wave prestack migration and velocity analysis has been developed. That is based on the consideration of prestack migration by equivalent offset...
2015
Complex Model Building using Objective Construction of Curve Ray Time Migration Moveout with Geologic Constraints, #41596 (2015).
Kerry Stinson, Shlomo Levy, Edward Crase, Wai-Kin Chan
Search and Discovery.com
... Modeling Inc., Calgary, AB, Canada ([email protected]) Abstract A time domain system for high density, high resolution migration velocity estimation...
2015
Beam Migration for Imaging of Complex Structures
Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki
Indonesian Petroleum Association
... iterations of tomographic velocity updating. Results from the Beam migration are proving to be superior to Kirchhoff and wave equation results...
2009
A Regional Velocity Cube for Depth Conversion on the Northwest Shelf
Maighréad Ní Dheasúna, Mark Ballesteros, James Leven
Petroleum Exploration Society of Australia (PESA)
... in the by wel ls, and in particular, check shot data. Seismic's mu lti-client products. In tota l, over 2.4 million velocity analysis points (VPs), from...
2012
Seismic Migration Interpolation using Time-Shift Imaging Condition
Mark Ng
Search and Discovery.com
... variable space and time lag imaging methods, have been used for depthfocusing analysis (DFA) for migration velocity analysis (MacKay and Abma, 1992...
Unknown
Seismic Migration Interpolation using Time-Shift Imaging Condition
Mark Ng
Search and Discovery.com
... variable space and time lag imaging methods, have been used for depthfocusing analysis (DFA) for migration velocity analysis (MacKay and Abma, 1992...
Unknown
Abstract: Azimuthal Processing For Unconventional Resource Plays Using An Orthorhombic Velocity Model; #90174 (2014)
Shaowu Wang and David Wilkinson
Search and Discovery.com
..., dip-moveout (DMO) removal and time migration. The estimation of velocity parameters for orthorhombic media is the key for azimuthal processing using...
2014
ABSTRACT: Advanced Technology Imaging of the Mudi Field, East Java Improvements Utilizing Pre-Stack Depth Migration, by Martin L. Shields and M. Fauzi; #90913(2000).
Search and Discovery.com
2000
All that wobbles isnt necessarily azimuthal anisotropy
Helen Debenham, Jennifer Badry, Mohamed Megebry
Petroleum Exploration Society of Australia (PESA)
... heterogeneity. To correct for this, an accurate velocity model and appropriate migration algorithm are required. Figure 5. SW-NE oriented seismic section...
2019
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
... approach was taken. This consisted of three major steps: initial model building; iterative residual curvature velocity analysis (RCA) and tomography update...
2011
Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)
Kimberley Haar, Robert Balch, Robert Will
Search and Discovery.com
..., H. Leetaru, R. Will, and M. Coueslan, 2014, The Evolution and Effect of the Velocity Model on Various Aspects of Surfaces Seismic Data Analysis...
2018
ABSTRACT: Reverse Time Migration Using CRS Shot Gathers
Alfredo Caballero, Rodolfo Ballesteros, Eliakim Schuenemann, Ekkehard Tessmer, Humberto Salazar
GCAGS Transactions
... possibilities for velocity analysis in complex geologic structures. Caballero, A., R. Ballesteros, E. Schuenemann, E. Tessmer, and H. Salazar, 2011...
2011