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The AAPG/Datapages Combined Publications Database

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

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PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study; #80392 (2014)

Morgan P. Brown

Search and Discovery.com

... analysis) and elastic inversion for “brittleness” are paired to find optimal drill locations and wellbore orientation. While prestack depth migration...

2014

Abstract: Tau-P Seismic Data Processing: Fast Slant Stack Using the Hartley Transform

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... muting, velocity analysis, NMO, migration, inversion). The Radon transfonn (RT) or slant stack gather (T-P) as commonly used in exploration geophysics...

1991

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II … Data Examples

Dan Negut

Search and Discovery.com

...Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II … Data Examples Dan Negut Wavefield Extrapolation for Prestack Time...

Unknown

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II … Data Examples

Dan Negut

Search and Discovery.com

...Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II … Data Examples Dan Negut Wavefield Extrapolation for Prestack Time...

Unknown

Application of 3

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N/A

A Nigerian Renaissance: Renewed interest in Africa's largest oil producer

John Balch, Matt Lamont, Polarcus, DownUnder GeoSolutions

GEO ExPro Magazine

... unaliased, with variable depth sampling output from the migration. There were no assumptions made about lateral or vertical velocity variations, apart...

2014

3D model-building technique by fusing near surface and deep structure and its applications

Luo Kaiyun, Yang Jian, Ma Lan, Men Zhe, Long Bo

International Meeting for Applied Geoscience and Energy (IMAGE)

...., L. Guofa, Z. Xinyu, T. Naxin, and Z. Tongli, 2014, Pre-stack depth migration velocity model-building method analysis: Petroleum Geophysical...

2024

A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand

Edward Lewis, Dennis van der Burg, Tony Martin, Lorenzo Russo, Tony Bell

Petroleum Exploration Society of Australia (PESA)

... migration velocity model building project, such as shown here, we deliver a single final velocity model and its associated seismic products. The only...

2018

Image processing of jointly acquired 3D DAS-VSP data with an OBN survey in the Middle East

G. Yu, H. Liu, Y. Zhang, H. Chen, X. Li, L. Duan, G. Cambois, J. Cowell, J. Mason, Y. Chen, J. Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... procedure, joint domain full waveform inversion (JDFWI) for velocity model update, and one way wave equation multiple migration (OWEMM) method were...

2024

Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological Structure, Western Berau - Papua, Indonesia

Purbo Santoso, Yayat Supriatna, Tepy Septyana, Leo Tjahjadi, Yonghe Guo

Indonesian Petroleum Association

...Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological...

2019

Statistical depth imaging through complex cluttered near-surface with path summation

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov

International Meeting for Applied Geoscience and Energy (IMAGE)

... al., 2016; Bakulin et al., 2020). While the imperfections in the migration velocity model cause substantial phase errors preventing the extrapolated...

2022

Seismic Foldout: FWI Imaging Under Complex Geological Anomalies

Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS

GEO ExPro Magazine

... applied) from 2010 verlaid with the tomography-based velocity model from 2010 (the mass transit complexes in the shallow section generate signal...

2023

3D Seismic from Planning to Mapping

A. Kullerud, O. Nipen, H. E. Nordberg

Indonesian Petroleum Association

... is expressed as a relative velocity error. Migration errors can be directly connected to the input errors, i.e. velocity analysis, is significantly higher than...

1985

Amplitude and Bandwidth Recovery Beneath Gas Zones Using Kirchhoff Prestack Depth Q-Migration

Jonathan Liu, Peter Traynin, J. M. Reilly

Indonesian Petroleum Association

... Kirchhoff Prestack Depth Q-migration is efficient computation of traveltimes and amplitudes. Let c(x) be a complex velocity in a viscoacoustic medium...

2007

Permian Basin Seismicity: Looking Backwards, Moving Forwards, #11082 (2018).

Diane Doser, Mark Baker

Search and Discovery.com

... to the wavelengths of the seismic recordings. 2) The geologic asymmetry of fault zones does not only control oil migration and traps. Permeability, velocity...

2018

Abstract: Imaging Scattered Seismic Energy in Alberta Oil Sands; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

... migration time gather”. Figure 1: Three migrated gathers: (left) offset gathers, (middle) differential migration time gathers, (right) velocity scan gathers...

2014

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... analysis of rock physics. In this paper, we focus on tomography and its working principle on near-surface velocity modelling. We restricted our workflow...

2022

Confirming Reservoir Geometry and Exploration Opportunity through 5D Interpolation PSDM in The Sub-ophiolite Zone, Banggai Sula Basin, Central Sulawesi

Mufied Ahmad, Dadang Ramdan, Yudi Herdiana, Abdullah Nurhasan, Arif Budi Mulyawan

Indonesian Petroleum Association

... of development (POD) purpose. The pre-stack depth migration (PSDM) reprocessing was expected to handle the lateral velocity variation issue yielded...

2021

Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)

Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan

Search and Discovery.com

... geophysicists. For clarity, we present the central theoretical result behind FWI as a mathematical theorem stating that a linear update to a migration velocity...

2015

Tackling data challenges in land FWI: A case study

Victor Lopez, Yun Dong Guo, QingYang Li, Bin Yu, Changhua Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... significant improvements to the velocity and seismic imaging were achieved. 4. Reflection Tomography. The initial velocity model was created using well...

2023

-- no title --

user

Search and Discovery.com

... anisotropic depth migration. In a setting with such under-constrained velocities, geologic constraints are crucial in the interpretation of our velocity...

Unknown

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