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The AAPG/Datapages Combined Publications Database

Showing 33,169 Results. Searched 200,691 documents.

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High-resolution imaging using Gaussian beam point-spread-function deconvolution

Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan

International Meeting for Applied Geoscience and Energy (IMAGE)

...(x; xs , t )G(xr ; x, t − t )dt dt 0 0 ∂ 2 f (t − t ) ∂t 2 × G(y; xs , t )G(xr ; y, t − t )dt dt dt, (1) where v0 denotes the migration velocity, x...

2023

A Comparison of the Various Methods of Dip Migration

H. Bruce Mayo

Oklahoma City Geological Society

...A Comparison of the Various Methods of Dip Migration H. Bruce Mayo 1958 322 324 In the preliminary discussions covering the material to be presented...

1958

High Performance Seismic Data Migration for High Resolution Interpretation

C. N. Chernoff

Indonesian Petroleum Association

.... If the subsurface velocity distribution is varying slowly, a good 3-D time migration algoirthm will suffice. If the subsurface velocity changes rapidly...

1983

Seismic Foldout: The Most Advanced Datasets Offshore Barbados and T&T

Jeniffer Masi, Jeroen Hoogeveen, Nick Tanushev, John Walker, Alexander Mihai Popovici, Geoex MCG, Z-Terra

GEO ExPro Magazine

... velocity grid, that was estimated by global tomography was input into both the pre-stack time migration (PSTM) and the prestack depth migration (PSDM...

2022

Abstract: Green Canyon Block 205: Geophysical Analysis of a Deepwater Gulf of Mexico Discovery

Bernard Regel

Houston Geological Society Bulletin

... migration velocity analyses with velocities 10% faster than the checkshot surveys, enhanced the seismic imaging and established strong well ties...

1994

Tengiz field fault shadows mitigation with combined joint FWI-tomography, Q-tomography, and least-square migration

Tianjiang Li, King Sim Lee, Bin Gong, Kai Yang, Kai Zhang, Assem Bibolova, Zhanibek Katrenov

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.1190/geo2011-0395.1. Meng, Z., N. Bleistein, and K. D. Wyatt, 1999, 3-D analytical migration velocity analysis I: two-step velocity estimation by reflector...

2022

Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally

Agus Muharam, Frank Musgrove

Indonesian Petroleum Association

... error due to inaccurate migration velocity if top reservoir is not nearly flat, Error in picking checkshot first break up to 2 ms = 13 feet, Error...

1998

A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

... velocity analysis to handle wide azimuth OBC data, as well as the technologies used for PS data pre-processing, velocity and effective gamma updating...

2015

Addressing the complex near-surface challenges in the Delaware basin through recent FWI advancements

Ali Mohamed, Dmitry Kulakov, Daniel Suren, Wilfrid Milan, Larry Holifield, Vasudhaven Sudhakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... quality starting velocity model. Third, the source wavelet embedded in the acquired data, which was prepared by a thorough analysis of the phase...

2022

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

.... With the improved offset and azimuth sampling, it is often possible to observe different velocities along different azimuths. Unless the velocity analysis...

2011

Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures

Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... Hence, a coarse spatial sampling interval in terms of velocity analysis locations may result in poor definition of the velocity field...

1994

Quantitative Modeling of Secondary Migration: Understanding the Origin of Natural Gas Charge of the Haynesville Formation in the Sabine Uplift Area of Louisiana and Texas

Lauri A. Burke

GCAGS Journal

... are approached differently than secondary migration modeling for basin analysis and total petroleum systems that occur at basin scales over geologic...

2021

Mini Seismic Processing System for Training and Research Purposes

Suprajitno Munadi, Bambang Triharjanto

Indonesian Petroleum Association

... spatial aliasing. Another training example is the velocity analysis exercise as shown in Figure 7. The trainee are provided with the modelling...

1993

ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90133 (2011)

Mike Burnett

Search and Discovery.com

... to resolve typical ambiguities between statics and velocity solutions. The resulting dataset going into migration does not have the noise component...

2011

ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90129 (2011)

Mike Burnett

Search and Discovery.com

... between statics and velocity solutions. The resulting dataset going into migration does not have the noise component. Not migrating noise is always...

2011

Pore Pressure Prediction Based on High Resolution Velocity Inversion in Carbonate Rocks, Offshore Sirte Basin - Libya; #40551 (2010)

Robert M. Gruenwald, Javier Buitrago, Jack Dessay, Alan Huffman, Carlos Moreno, Jose Maria Gonzalez Munoz, Carlos Diaz, Khaeri Segayer Tawengi

Search and Discovery.com

...., Houston, TX 2 Abstract ResidualTM velocity analysis was employed to refine the input gathers and velocity field for pressure prediction in Cretaceous...

2010

ABSTRACT: Confirming Depth Models using Differential Wide Aperture Seismic; #90061 (2006)

James H. Leven

Search and Discovery.com

...-stack depth migration or for precise depth conversion, particularly for field definition. Normal moveout (NMO) “velocityanalysis is a relatively...

2006

ABSTRACT Plays and Prospectivity Offshore Lebanon, Syria and Cyprus: New Insights from Depth-Imaged Seismic Data, #90104 (2010)

Roberts Glyn; Harmer Charles; Peace David

Search and Discovery.com

...) Consultant, Surrey, United Kingdom.     This paper illustrates the nature of the Levantine Basin and adjacent areas based on an analysis of modern seismic...

2010

Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat

Indonesian Petroleum Association

...-resolution velocity and Q models of the shallow channel system, providing superior imaging when using Qcompensated pre-stack depth migration (Q-PSDM...

2022

3D seismic modelling fast adaptability in the face of operational constraints „ A case study

Clemence Cuvilliez, Aline Robin, Veronique Duprat, Camille Le Magoarou, Bruno Pagliccia, Severin Rubio, Enrico Zamboni

International Meeting for Applied Geoscience and Energy (IMAGE)

... the implementation of a Kirchhoff de-migration/re-migration workflow for seismic modelling, focusing on a deep-offshore OBN acquisition case study. This study aimed...

2024

3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden

Barry Hung, Kefeng Xin, Sergey Birdus, James Sun

Indonesian Petroleum Association

... that are not restricted to originate from near surface. The analysis is performed on the migrated data and based on the tomographic velocity updating algorithm described...

2009

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