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The AAPG/Datapages Combined Publications Database

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

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Converted-Wave Prestack Time Imaging without using P-Wave

Search and Discovery.com

... prestack time migration is strongly recommended, since it is a nature domain to take into account of binning and velocity updating together. However...

2013

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... the recorded field to the source location using the velocity model. Time-reversal extrapolation is a typical migration based method. Traditional time-reversal...

2015

Effects of natural gas acidic components on local porosity generation in a carbonate reservoir: Insights from reactive transport modeling

Guanru Zhang, Peng Lu, Pan Luo, Eric Sonnenthal, Yi Huang, and Chen Zhu

AAPG Bulletin

... that in the base case (1.6 mmol/kg H2O [0.73 mmol/lb H2O]), at the same simulation time and with the same regional groundwater flow velocity, groundwater...

2019

Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels

John S. Bridge

Dallas Geological Society

.... Bed shear stress (hence velocity, as f is constant) and texture patterns predictably follow each other closely, giving rise to ‘transitional...

1977

Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels

John S. Bridge

CSPG Special Publications

.... Bed shear stress (hence velocity, as f is constant) and texture patterns predictably follow each other closely, giving rise to ‘transitional...

1977

Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon

Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware

International Meeting for Applied Geoscience and Energy (IMAGE)

... and exhibits a poor S/N ratio in various areas, most critically below salt Summary • This paper discusses a velocity model building and imaging case...

2022

A New Perspective to Shallow Water Flow (SWF) and Sinking Well-Head Preventions in Deep Water

Selim Simon Shaker

GCAGS Transactions

... for de-multiple, DMO (dip move-out) and pre-stack migration. Converting the time-velocity pair to depth-velocity pair probably is the first objective...

2015

-- no title --

user1

Search and Discovery.com

...user1 AAPG International Conference and Exhibition (ICE) Muscat, Oman, 30 September - 2 October, 2024. A Comprehensive Pre-Migration Solution...

Unknown

Sedimentary Structures Generated by Flow in Alluvial Channels

D. B. Simons, E. V. Rlchardson, C. F. Nordin JR.

Special Publications of SEPM

... with ripples or the plane bed in the case of coarse sand bed materials a rate of bed material transport a magnitude of velocity and a degree...

1960

Application of formation pressure prediction technique based on high-density three-dimensional seismic constraints in complex structural zones

Baoli Yu, Keyu Liu, Chao Li, Peng Chen, Baorong Xu, Jia Chen, Wenchao Xiang, Bo Yuan

International Meeting for Applied Geoscience and Energy (IMAGE)

... for pressure body prediction is obtained from the RMS velocity field of prestack time migration seismic data. Generally, the accuracy of the result...

2022

Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey

Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove

AAPG Bulletin

... as in the stratigraphic cross section (Figure 4). Note that the first 50 m (164 ft) of the uppermost constant-velocity buffer interval in the model has been stripped...

2007

Minimum Conditions for Migration of Oil in Water-Wet Carbonate Rocks

Bert C. Aschenbrenner , Charles W. Achauer

AAPG Bulletin

... hydrodynamic conditions. It is impossible to make any estimates about the velocity and direction of the flow of water at the time of migration. Hence...

1960

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

Jonathan Liu, Peter Traynin, J. M. Reilly

Indonesian Petroleum Association

... found the way to speed up the integration, keeping the cost of migration comparable to the simple acoustic case. In the talk we briefly describe...

2007

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... of migration isochrones, were removed (Ramos-Martinez et al. 2016). Once this was accommodated, long wavelength velocity updates using reflections were...

2019

Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)

Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani

Search and Discovery.com

... of an optimum bin size for the P-wave processing, velocity analysis, NMO, stacking and other steps including migration. P-S data processing requires...

2014

Uncertainty analysis of full-waveform velocity inversion

Kai Yao, Han Yin, Lian Duan, Yu Zhang, Feng Chen, Huili He, Mourad Khdhaouria, Lamia Rouis

International Meeting for Applied Geoscience and Energy (IMAGE)

...Uncertainty analysis of full-waveform velocity inversion Kai Yao, Han Yin, Lian Duan, Yu Zhang, Feng Chen, Huili He, Mourad Khdhaouria, Lamia Rouis...

2024

Bed Configurations

J. C. Harms, J. B. Southard, D. R. Spearing , R. G. Walker

Special Publications of SEPM

... velocity and boundary shear stress are straightforward concepts, even though in the case of the latter the physics is complex; they both In basically...

1975

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

Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study

Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

...Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study Xu Li, Christine Gans...

2022

2-D and 3-D Prestack Depth Migration for Complex Geologic Structures Offshore Indonesia

M. Murphy, R. Ottolini, R. Estill, E. Lumadyo, M. Mathias

Indonesian Petroleum Association

... due to more accurate interval velocities and structural geometry resolution. 3-D prestack depth migration provides better migration velocity analyses...

1996

Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)

Changsoo Shin and Wansoo Ha

Search and Discovery.com

... model was a constant-velocity water layer and the velocity of the lower layer was increased linearly with the depth. Since the residual at the damping...

2014

Experiments on Upstream-Migrating Submarine Knickpoints

Horacio Toniolo, Alessandro Cantelli

Journal of Sedimentary Research (SEPM)

... during the experiments. Upstream velocity migration for several knickpoint-like structures was also computed. Nevertheless, the experiments reported...

2007

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

.... Dohr, G. P., and P. K. Stiller, 1975, Migration velocity determination. Pt. 2, Applications: Geophysics, v. 40, p. 6-16. Domenico, S. N., 1974, Effect...

1976

The Thousand Dollar Prospect, Rich County, Utah, A Case History

Valen D. Ott, Kenneth R. Kreckel

Rocky Mountain Association of Geologists

...) Velocity analyses - constant velocity stacks, moving out the entire line, and picking and repicking (reiterating) as the prospect interpretation...

1982

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