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The AAPG/Datapages Combined Publications Database

Showing 33,130 Results. Searched 200,357 documents.

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Depth Imaging Through Surface Carbonates: A 2D Example from the Canadian Rocky Mountains; #41554 (2015)

Yong Hua, Don Lawton

Search and Discovery.com

... 500 m. Depth Migration Once the plausible velocity model achieved, Kirchhoff depth migration code developed by Lawton (2005) was used to produce...

2015

Recent Experiences with Seismic Imaging and Velocity Analysis: Abstract

John L. Toldi, Nathaniel G. Tilander

Indonesian Petroleum Association

...Recent Experiences with Seismic Imaging and Velocity Analysis: Abstract John L. Toldi, Nathaniel G. Tilander 1998 350 350 This paper presents recent...

1998

Abstract: Prestack Gaussian-Beam Depth Migration in Anisotropic Media; #90211 (2015)

Tianfei Zhu, Sam Gray, and Daoliu Wang

Search and Discovery.com

... depth migration potentially useful for AVO analysis in geologically complex areas. Extension of prestack GB migration from isotropic to anisotropic media...

2015

2D Pre-Stack Depth Migration : Application to Inverted Grabens

C. Bunks, P. L. Pichon, L. Ben Brahim, Sekar Sakti

Indonesian Petroleum Association

... an in house 2D pre-stack depth migration and velocity analysis program called MIGPACK. MIGPACK performs finite-difference migration in the source geophone...

1993

Integration of Geologic Data into Structural Imaging of the Andean Subthrust, Peru; #41605 (2015)

Margaret A. Stratton, Robert Vestrum, Dennis Ellison

Search and Discovery.com

... velocity model in this complex-structure environment, we decided to reprocess the lines through to anisotropic depth migration. Geologic constraints...

2015

Depth correction using velocity for structure calibration at Leviathan Field, offshore Israel

Yijie Zhou, Brad Christensen, Lin Christianson

International Meeting for Applied Geoscience and Energy (IMAGE)

... challenges from depth uncertainties associated with the seismic migration velocity that cannot provide an accurate structural estimation due...

2023

The Application of Velocities and Models to Seismic Interpretation

G. Jarrota

Indonesian Petroleum Association

... that can be used for the study of seismic velocities, and their applications to seismic interpretation. The velocity spectrum or velocity analysis (Fig...

1977

4D image velocity scan to improve the 4D quantitative interpretation

Mohamed Hatab, Colin MacBeth

International Meeting for Applied Geoscience and Energy (IMAGE)

... processing sequences and parameters, including the final migration velocity model. Here we propose a new approach “4D Image Scan” to assess...

2022

ABSTRACT: Wave Equation Prestack Depth Migration for Deep Gulf Coast Prospecting

Morgan Brown, Joe Higginbotham, Cosmin Macesanu

GCAGS Transactions

... successfully for some time to image the deep section when pressure is an issue. Provided that the velocity complexity can be encoded into a migration...

2009

Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia

Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton

Indonesian Petroleum Association

... gradients.Grid based tomography is a robust, 3D ray-based inversion method used to refine velocity models for depth migration. Residual traveltime errors...

2012

Imaging Complex Structures in Colombia … Full Wave Equation Migration Approach

Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... procedure for prestack migration and velocity analysis: Presented at the 46th Ann. Mtg. European Asn. Expl. Geophys. Wang, W. and West, G., 1991, F-X filters...

2008

Modified Residual Migration

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

...: Removing the restrictions on depth-varying velocity: Geophysics, 53, 881–893. Black, J., and Brzostowski, M., 1990, High-dip time migration: 60th Ann...

1992

-- no title --

user

Search and Discovery.com

... in the data. To develop a velocity model for pre-stack depth migration (PSDM) we integrated all available sources of velocity and geological information...

Unknown

-- no title --

user

Search and Discovery.com

... in the data. To develop a velocity model for pre-stack depth migration (PSDM) we integrated all available sources of velocity and geological information...

Unknown

Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)

Xiaogui Miao

Search and Discovery.com

... data using initial velocities from NMO analysis or from previous migration velocity analysis, and partially shifting energy along diffraction curves...

2015

Velocity and Velocity

M. Al-Chalabi

Petroleum Exploration Society of Australia (PESA)

... if the so called 'velocity' parameter, used in the migration, accurately represented the true velocity field. It does not. As shown below, the 'velocity...

2000

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)

.... After two iterations of manual velocity updates, two iterations of post-migration “Residual Curvature Analysis” (RCA) tomography were used to further...

2003

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

... is generated for each parameter entered. The speed analysis uses the Kirchhoff migration type. After scanning the velocity automatically, the next step...

2019

An unsupervised intelligent stacking velocity analysis based on clustering

Lide Wang, Xingrong Xu, Jie Wu, Huahui Zeng, Yundong Yong, Yanxiang Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...An unsupervised intelligent stacking velocity analysis based on clustering Lide Wang, Xingrong Xu, Jie Wu, Huahui Zeng, Yundong Yong, Yanxiang Wang...

2024

Application of Wave Equation Tomography in Frontier Areas

Tien-when Lo, Guy W. Purnell

Indonesian Petroleum Association

... line (Figure 3). The velocity model (Figure 4) used in the prestack depth migration was derived by an interactive prestack focusing velocity analysis...

1990

Abstract: Converted-wave Time Imaging … Nuts and Bolts; #90187 (2014)

Shaowu Wang, Thomas Hollis, and Wayne Nowry

Search and Discovery.com

.... Introduction Pre-stack time migration (PSTM) is routinely used in time processing with gentle lateral velocity variation and moderate subsurface...

2014

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