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The AAPG/Datapages Combined Publications Database

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

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Time-lapse matching of OBN seismic data using 2D convolutional neural networks

Ramon C. F. Araújo, Gilberto Corso, Samuel Xavier-de-Souza, João M. de Araújo, Tiago Barros

International Meeting for Applied Geoscience and Energy (IMAGE)

... baseline velocity model. Similar to the gathers of Figure 4, the unprocessed monitor migration (Figure 7b) is heavily contaminated with artifacts...

2024

Kilometer-scale upward migration of hydrocarbons in geopressured sediments by buoyancy-driven propagation of methane-filled fractures

Jeffrey A. Nunn, Peter Meulbroek

AAPG Bulletin

...Kilometer-scale upward migration of hydrocarbons in geopressured sediments by buoyancy-driven propagation of methane-filled fractures Jeffrey A. Nunn...

2002

The Three Elements of Structural Geology Part 8, #41849 (2016).

Engelder,

Search and Discovery.com

...: A Case Study Seismic Interpretations The Structural Geology of Petroleum Migration References 5.1.1 – Basement-involved thrustgenerated Folds. An AAPG...

2016

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)

... technique based on constant velocity blocks focuses on whether deep geological structures are accurate and ignores to accurately describe near surface...

2024

New stability constraints for pseudo-acoustic finite difference TTI modelling and inversion

Rodrigo Fuck, Lorenzo Casasanta, Marcel Nauta

International Meeting for Applied Geoscience and Energy (IMAGE)

... σ to a constant value throughout the velocity model (to damp SV normal-incidence reflections and to reduce shear-wave triplications) and used...

2024

Refined Karst Feature and Fault Identification Through Integrated Wave Field Separation and Imaging of Diffraction Energy

Riaz Alai, Afiq Mokhtar, Christopher Lee Slind, Yonghe Guo, Rizki Krishna Pratama

Indonesian Petroleum Association

... positioned after migration with complex velocity, so post-migration separation handles the reflection better. But it is prone to noise leakage. Joint...

2021

Migration of Natural Gas Through Heterogeneous Sandy Soils Affected by Atmospheric Boundary Conditions

Ariel Esposito, Tissa Illangasekare, Kathleen Smits

Unconventional Resources Technology Conference (URTEC)

... case, the change in the air pressure in the sand due to gas injection can be used to calculate the velocity of the injected gas through the sand domain...

2014

An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma

Jan Dodson, Roger A. Young, Kevin Smart

Oklahoma City Geological Society

... velocity grid that created the synthetic traces can be exported from GXII and used in the migration process. If we know where a reflection occurs...

2001

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

.... In practice, migration is accomplished using a velocity model constructed from the seismic data. To do this, however, the data must be multichannel seismic...

2002

Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth ModelŽ, #40862 (2012)

Huyen Bui, Peck Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Martiris Smith

Search and Discovery.com

... velocity was wrong, seismic anisotropic functions (Thomsen’s delta and epsilon) were wrong in a vertical transverse isotropic (VTI) case. In fact...

2012

The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... this should be the case in a flat stratified earth. Velocity perpendicular to bedding should be a bit slower than that parallel to bedding. NMO...

2013

Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data

Search and Discovery.com

...Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data Frequency-Domain Waveform...

2013

-- no title --

user

Search and Discovery.com

... Mountains. Through integrated velocity model biulding, global velocity model refinement and careful consideration of migration parameters, a plausible...

2013

Abstract: Impact of Seismic Anisotropy on Predicted Reservoir Properties; #90254 (2016)

Duryodhan Epili, Husam AlMustafa, Asaad E. Alzawwad, Mohammad Bannagi, Mark Taylor

Search and Discovery.com

..., Mohammad Bannagi1, Mark Taylor1 1 GPTSD, Aramco, Dhahran, Eastern province, SAUDI ARABIA ABSTRACT Anisotropic prestack depth migration (PSDM) reduces...

2016

Unconventional Processing for 3D Data: A 1993 Case History

Claude Eizlini, Jacques Bonnafe, Bugi Kamil, Gilles Bitoun

Indonesian Petroleum Association

... differences caused by variation of offsets in one case, or by vertical travel in different velocity media in the other. Whatever the cause, the effect...

1994

Rate of Migration of Petroleum by Proposed Mechanisms

J. G. Roof , W. M. Rutherford

AAPG Bulletin

... and the hydrocarbon would be transported, at least in part, along with the water. In either case--the Fig. 1. Water velocity necessary to accumulate 70 per...

1958

Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces

Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang

GCAGS Transactions

... migration velocity, slow convergence in subsalt area, and extra migration artifacts introduced in gradient computation. The adaptive solution involved...

2016

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

Use of Seismic-Derived Velocities for Stratigraphic Exploration on Land: Seismic Porosity and Direct Gas Detection: Chapter 4

Norman S. Neidell, J. H. Beard, Ernest E. Cook

AAPG Special Volumes

... based seismic work has been developed which makes consistency among seismic velocity measures and seismic facies analyses central to the development...

1985

Thrust Faulting and Hydrocarbon Generation: REPLY

Janell D. Edman , Kevin P. Furlong

AAPG Bulletin

... and Edman, 1984, p. 1820), we stated that the thermal gradient "quickly decays to an almost constant thermal gradient of about half its initial value...

1987

Analysis of Scale Exaggeration on Seismic Profiles (1)

DONALD S. STONE

AAPG Bulletin

... of relative scales. Exaggeration is seldom uniform within a stacked section or profile migrated in time at a constant velocity because velocity varies...

1991

Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin

K. Bradey

Papua New Guinea (PNG) Petroleum Convention Proceedings

..., apart from smoothing the grids. Figure 5. Extent of velocity regimes in the Anama area. 462 Impact of Pre-Stack Depth Migration on the Anama...

2000

Application of 3

Search and Discovery.com

N/A

The identification and cause analysis of abnormal velocity in the western part of Shaleitian Bulge

Zongyu Zhen, Gang Peng, Xuefeng Zhou, Bo Xi

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Introduction Velocity is one of the important parameter in the study of oil and gas exploration geology, which plays an important role in migration imaging...

2024

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