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The AAPG/Datapages Combined Publications Database
Showing 33,166 Results. Searched 200,673 documents.
Coastal Processes and Nearshore Sand Bars
Richard A. Davis, Jr., William T. Fox
Journal of Sedimentary Research (SEPM)
..., wind velocity, breaker height, and longshore currents. Of the 18 variables measured, barometric pressure appears to provide the best index for changes...
1972
Integrating an exploration OBN into a full-scale prospect maturation workflow: Gulf of Mexico Lower Tertiary
Scott Yurman, Marcus Cahoj
International Meeting for Applied Geoscience and Energy (IMAGE)
..., high fidelity seismic velocities can be used to estimate rock, fluid, and pressure parameters. However, a seismic velocity that generates a good...
2022
Abstract: Using Gravity Modeling to Enhance Salt Interpretation and Influence Pre-stack Depth Migration, by M. C. Hanna, A. McGrandle, J. Jeager, and P. Houghton; #90923 (1999)
Search and Discovery.com
1999
An Experimental Study of Subaqueous Slipface Deposition
Ralph E. Hunter, Gary Kocurek
Journal of Sedimentary Research (SEPM)
... that Sa is related to current velocity over the brink; Sa appears to be a direct function of rate of bedform migration, Vb, which for a given H...
1986
Retrieving Amplitude Absorption From Gas Cloud Effect In Deep Water Play, Gulf Of Mottama, Offshore Myanmar
Search and Discovery.com
N/A
EXTENDED ABSTRACT: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas
Rubén D. Martínez
GCAGS Transactions
... to provide not only accurate velocity models for migration but also be able to account for velocity anisotropy, in this case, TTI (tilted transverse isotropy...
2011
Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)
Amsalu Y. Anagaw
Search and Discovery.com
... as compared to the case of velocity parameterization. As a result the deeper parts of the model would be properly reconstructed and superior...
2015
ABSTRACT: 3-D Seismic Lithologic Modeling to Delineate Rapidly Changing Reservoir Facies: A Case History from Alberta, Canada, by Valery Gelfand, Gary Taylor, Jon Tessman, and Ken Larner; #91043 (2011)
Search and Discovery.com
2011
3D Multiple Attenuation for a Deep Reservoir Case Study
Search and Discovery.com
N/A
Abstract: Near-surface Velocity Modeling through a Computationally Efficient Implementation of 1.5D Laplace-Fourier Full Waveform Inversion; #91204 (2023)
Apostolos Kontakis, Diego Rovetta, Daniele Colombo, Ernesto Sandoval-Curiel
Search and Discovery.com
... of the velocity model used. For a successful migration, the velocity model must track accurately enough the complexities of the near-surface. We developed a fast...
2023
Geology-Driven Depth Stretching: An Alternative for Prestack Depth Migration
Search and Discovery.com
N/A
Unlocking the potential of narrow-azimuth streamer acquisition with extended FWI and least-square RTM: A case study for an Eastern Mediterranean field
Lei Zhuo, Guojian Shan, Brian Church, Lin Christianson, Jeff Bergeron, Yue Wang, Ao Cai, Mark Fan, Megan Stearman, Jeff Fabre
International Meeting for Applied Geoscience and Energy (IMAGE)
...Unlocking the potential of narrow-azimuth streamer acquisition with extended FWI and least-square RTM: A case study for an Eastern Mediterranean...
2024
3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden
Barry Hung, Kefeng Xin, Sergey Birdus, James Sun
Indonesian Petroleum Association
... spacing and constant velocity of 2000 ms-1. It can be observed that at locations where the raypaths do not pass through the transmission anomalies...
2009
The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #41516 (2015)
Jim Montalbetti, Jeff Beckett, Graham Hodgkiss
Search and Discovery.com
... and show the improvements in imaging gained from the prestack depth migration of the vintage seismic data. The Velocity-Depth Model Workflow The major...
2015
Application of Rock Physics Models to Predict Rock Properties Away from Well Control: Block B, Natuna Sea, Miocene Producing Reservoir Case Studies
Putri Wisman, Retno Wijayanti, Carl Fakaruddin, John Hughes
Indonesian Petroleum Association
.... The friable-sand model describes how the velocity-porosity relationship change as sorting deteriorates (known as unconsolidated line). 2. A constant-cement...
2013
Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming
Alvin K. Benson
Utah Geological Association
... lateral velocity variations in the rocks and the importance of using depth imaging versus conventional time imaging of seismic data when mapping complex...
1999
STRUCTURAL INTERPRETATION OF THE SOUTHERN HALF OF THE SAWTOOTH SALIENT OF THE MONTANA DISTURBED BELT
Stephen P. Gardner, Jonathan M. Achuff
Montana Geological Society
... to the Eldorado- Steinbach thrust system. STRATIGRAPHIC AND VELOCITY UNITS Geophysical well logs and velocity surveys provided...
1989
Joint inversion of first-arrivals with full waveform inversion: improving the near-surface model for depth imaging the Marcellus shale of Bradford County, PA
Search and Discovery.com
N/A
EXTENDED ABSTRACT: Applications of Wave Imaging Technologies to Improve Deep Gulf Prospecting
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez
GCAGS Transactions
... section in the Gulf Coast normally exhibits a simple, depth-variable velocity profile, and prestack time migration (PSTM) methods generally produce...
2010
The effects of marine currents on seismic data
Gary Hampson
International Meeting for Applied Geoscience and Energy (IMAGE)
... a stationary medium overlying a medium moving with velocity u . If an impulse is injected at xs on the boundary, a semi-circular wavefront, centred on xs...
2024
Pressure Detection: Part 3. Wellsite Methods
Parke A. Dickey
AAPG Special Volumes
...------------------------- Prediction of Overpressure Before Drilling: Seismic Detection As shales compact, the velocity of seismic waves increases so that seismic wave velocity...
1992
Multiple scours and upward fining caused by hydraulic jumps: implications for the recognition of cyclic steps in the deepwater stratigraphic record
Kenya Ono, Hajime Naruse, Qifeng Yao, Zhirong Cai, Sojiro Fukuda, Miwa Yokokawa
Journal of Sedimentary Research (SEPM)
... profile, where u is the average velocity of lower layer of density current, κ is the von Kármán constant (taken as 0.41), z is the height above the bed...
2023
Case History: Rulison Field, Colorado, Fracture Detection, Mapping, and Analysis of a Naturally Fractured Gas Reservoir Using P-wave Reflection Seismic
Heloise B. Lynn, K. Michele Simon, Vello Kuuskraa, Dave Decker
Four Corners Geological Society
...Case History: Rulison Field, Colorado, Fracture Detection, Mapping, and Analysis of a Naturally Fractured Gas Reservoir Using P-wave Reflection...
1999
Discovery of the Cunda Gas Field, Bee Block, North Sumatra: An Integrated Geologic/Seismic Stratigraphic Case History
M. D. Burnaman, R. B. Helm, C. R. Beeman
Indonesian Petroleum Association
... thickness can be measured. The vertical resolution in depth decreases as interval velocity increases for a constant bandwidth since the basic...
1985
The Magic of Depth Imaging in a Complex Geological Setting - A Case Study from Upper Indus Basin
Search and Discovery.com
N/A