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The AAPG/Datapages Combined Publications Database

Showing 577 Results. Searched 200,673 documents.

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The TsunamiŽ Survey Offshore Sumatra, a Cooperative Geo-Technical Project for Deep Crustal Study WesternGeco/Schlumberger/CNRS-IPG Paris/BPPT

Soelistijani M, Martin Bayly, Tim Bunting, Satish C. Singh

Indonesian Petroleum Association

... there was often some sedimentary data to be observed, normal semblance based velocity analysis was used. At intermediate depths, approximately 3-30 kilometres...

2008

Multiscale fault and fracture characterization methods

QiQi Ma, Taizhong Duan

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Marfurt, K. J., R. L. Kirlin, S. L. Farmer, and M. S. Bahorich, 1998, 3-D seismic attributes using a semblance-based coherency algorithm: Geophysics, 63...

2022

Work-Flow for Selecting the Best Seismic Attributes for Effective Basin Analysis

Sigit Sukmono

Indonesian Petroleum Association

... mapping only and not for physical properties description. Similarity attributes such as coherence, variance, and semblance measure the waveform...

2009

Logging Wells Drilled by the Rotary Method

Edgar Kraus

AAPG Bulletin

... of a formation some mechanical features must be remembered. A short bit will give an added semblance of clayiness because it balls up more easily...

1924

Machine learning-based residual moveout picking

Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja

International Meeting for Applied Geoscience and Energy (IMAGE)

... and semblance scans (Adler and Brandwood, 1999). Such techniques, however, are often inaccurate and require significant human intervention (Zhou...

2022

RNN-based seismic velocity model building: Improving generalization using hybrid training data

Hani Alzahrani, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

..., including inverting common mid-point (CMP) semblance cubes (Araya-Polo et al., 2018) and using different neural networks architectures to invert...

2022

Introduction to Ichnology

A. A. Ekdale, R. G. Bromley, S. G. Pemberton

Special Publications of SEPM

... carbon residues or any semblance of plant microstructure in all specimens. Nathorst's critics asked why animal trails would have a plant-like...

1984

Unsupervised machine learning for seismic facies classification applied in presalt carbonate reservoirs of the Bzios Field, Brazil

Dbora Ribeiro Barretto, Pedro Henrique Cunha de Macedo, Wagner Moreira Lupinacci, Raisa Carvalho Silva

International Meeting for Applied Geoscience and Energy (IMAGE)

... oriented smoothing and semblance: CWP Report 635, Colorado School of Mines, 261–270. Jesus, C., M. Olho Azul, W. M. Lupinacci, and L. Machado, 2019...

2022

Economic and Other Factors Affecting Petroleum Exploration

Kenneth H. Crandall

GCAGS Transactions

... affected oil exploration, which is increasingly being directed into those areas that are considered politically secure, where contracts have some semblance...

1972

Training data versus deep learning architectures in the seismic fault attribute computation

Bo Zhang, Yitao Pu, Zhaohui Xu, Naihao Liu, Shizhen Li, Fangyu Li

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 1998, 3-D seismic attributes using a semblance-based coherency algorithm: Geophysics, 63, 1150–1165, doi: https://doi.org/10.1190/1.1444415...

2022

Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia

Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In this case, the resulting seismic discontinuities can be easily identified using coherence, variance, semblance, curvature etc. In most cases, post...

2023

Sparse 3D seismic survey over the Olympic Dam IOCG deposit

Heather Schijns, Jared Townsend, David Haddow, Max Shawcross, Kathy Ehrig

International Meeting for Applied Geoscience and Energy (IMAGE)

... of semblance and constant velocity stacks. The 2D PSTM (pre-stack time migration) image would provide a point of comparison for the later 3D imaging...

2023

Deep Dix: Enhancing interval velocity model estimation through adversarial regularization

Joseph Stitt, Robert Clapp, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... operator C. This process incorporates the semblance amplitudes from the com- Figure 1: Diagram of the critic CNN architecture used for the adversarial...

2023

True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)

M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin

Indonesian Petroleum Association

... waveform tracking on PSDM gathers, semblance based automatic or manual picking for the second and higher order moveout. The choice was determined based...

2011

Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia

Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo

Indonesian Petroleum Association

... the targets; a whole set of seismic angle volumes (Near, Far, Ultra Far) was used to finalize the modelling. Coherency, semblance and curvature volumes...

2011

Crawford Mountains, Northeastern Utah: History of an Abandoned Phosphate Mining District

Joseph L. Methner, Mark R. Mesch

Utah Geological Association

... the Bear River Valley floor. While the structure has some semblance of symmetry, the uplift and erosional pattern is complex and results in triplet...

1995

Stratigraphic Names: GEOLOGICAL NOTES

T. W. Stanton

AAPG Bulletin

... be at least a semblance of uniformity in the methods of presentation. It was for the Geologic Atlas that the rules of nomenclature and classification...

1930

Reflection waveform inversion regularized with structural constraints and scattered data interpolation

Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... the FWI gradient and constrain the inversion results. Lee and Pyun (2018) utilized diffusion tensor and weighted semblance as adaptive structure-oriented...

2023

Seismic Diffraction Imaging of Lithology in Fault Zones and Hydrocarbon Sweet Spots within the Maverick Basin, South Texas

Osareni Ogiesoba, Alexander Klokov

Unconventional Resources Technology Conference (URTEC)

... exploration, several seismic attributes (e.g., similarity, coherence, curvature, ant track, diffraction imaging, and semblance) extracted from 3D seismic...

2016

Deep learning approach to inverting flexural wave dispersion

Hengjian Zhang, Zhifen Sun, Xianzhi Li, Xiaofang Sun, Chu Wang, Ya Jin, Xiaofei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... semblance method: Petrophysics, 62, 379–392, doi: https://doi.org/10.30632/PJV62N4-2021a3. Zhang, Z., Z. Shi, N. Ma, H. Wang, Z. Qiao, S. Zhao, and Z...

2024

A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion

Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 20, 68–86, doi: https://doi.org/10.1190/1.1438126. Douma, H., and van der Baan, M., 2008, Rational interpolation of qP-traveltimes for semblance-based...

2024

Quantitative assessment tools for objective-based optimization of seismic acquisition geometry selection

Ali Rabaan, Ilya Silvestrov, Ali Tura, Andrey Bakulin

International Meeting for Applied Geoscience and Energy (IMAGE)

... computes stack-based SNR using semblance (S). The formula for SNRe estimation is, SNRe = N i=1 S= M S , 1−S M j=1 di j N i=1 M 2 j=1 di j (3) 2...

2024

Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic

Scott Taylor, Jeremy King, Ben Schaeffer, Todd Hibbitts, Lucas McGreaham, Khaled Ghuneim

Unconventional Resources Technology Conference (URTEC)

... and can be interpreted with confidence. Events are detected using a technique that seeks a parametrically weighted agreement or weighted semblance between...

2016

Simultaneous 3D 4C - OBC & VSP Walkaway Survey in the Attaka Field, East Kalimantan, Indonesia

Bill Borland, Phil Johnston, Mike Reblin, Suta Vijaya, Omar Kulbrandstad, Muhammad Idrees, Scott Leaney, Jan van de Mortel

Indonesian Petroleum Association

... time difference between shots on the vertical axis. Figure 20. Semblance versus Q showing the best Q = 19. The two algorithms were applied...

2000

Metal Earth: Role of multidisciplinary geophysical methods to improve knowledge of mineral deposition across Precambrian rocks

Esmaeil Eshaghi, Richard Smith, Mostafa Naghizadeh, Graham James Hill, Eric Roots, Amir Maleki Ghahfarokhi, Saeid Cheraghi, John Ayer

Petroleum Exploration Society of Australia (PESA)

... out using a combination of semblance, super-gather, velocity function AEGC 2019: From Data to Discovery – Perth, Australia Figure 2. Pre-stack...

2019

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