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The AAPG/Datapages Combined Publications Database
Showing 8,046 Results. Searched 195,387 documents.
A Comparison of Depth Conversion Methods in Buntal Gas Field, Block B, Natuna Sea, Indonesia
Irfan Yuliandri Syukri, John Hughes, Medi Medianesterian
Indonesian Petroleum Association
... methodologies: a linear average velocity-time function, a second order polynomial time-depth function, a V0+KZ approach, and Dix corrected stacking velocities...
2014
Seismic Velocities, by D.S. MacPherson, #40150 (2005).
Search and Discovery.com
2005
Chapter Ten-part 2: Depth Conversion
Leslie R. Denham, Dave K. Agarwal
AAPG Special Volumes
... average velocities directly. However, it is still, like stacking velocities, horizontal velocity, not vertical velocity. If a mapped reflection is known...
2011
Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra
Iswani Waryono, Wahyu Triyoso
Indonesian Petroleum Association
... the resolution of structurally complex images. The RMS velocity data is the main driver for the background model input into Velocity versus Offset evaluation...
2012
The Application of Velocities and Models to Seismic Interpretation
G. Jarrota
Indonesian Petroleum Association
.... Even the strong anomalies of both higher and lower velocities are concordant. Figure 19. Theoretical stacking velocity. To summarize, this modelling...
1977
Intra-Muda Shallow Gas in Cumi-Cumi PSC, Natuna Sea - a Driller's Nightmare Becomes a Geophysicist's Dream
Martin Bennett
Indonesian Petroleum Association
.... Seismic Stacking Velocity Analysis It was noted during processing that a significant inversion in RMS velocities occurs within the Muda Fm over...
2000
High Resolution Pore Pressure Prediction Using AVO Inversion
Yongyi Li
Search and Discovery.com
... accurate than stacking velocity. Whichever of these two velocities is used, the resultant pore pressure has low resolution. This is because...
Unknown
High Resolution Pore Pressure Prediction Using AVO Inversion
Yongyi Li
Search and Discovery.com
... accurate than stacking velocity. Whichever of these two velocities is used, the resultant pore pressure has low resolution. This is because...
Unknown
Abstract: 3D - Marine Seismic Data Recording and Processing
W. Houba
Geological Society of Malaysia (GSM)
... for the conversion of the stacking velocity field into the RMS-equivalent to be applied in 3D-migration. The reconstruction of true subsurface geometries...
1981
Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods
I. R. Gordon
AAPG Special Volumes
... for a given depth, one can calculate a velocity (distance divided by time). Approximate velocities can be calculated using the stacking velocities...
1992
Lateral Changes in Seismic Velocities and Their Effect on Depth Prediction
J. Pinchin, M. Bayly
Petroleum Exploration Society of Australia (PESA)
... Figure 3: Horizon Velocity Analysis, Line 88-BIY. However, for this study the stacking velocities were empirically convened to average velocities...
1989
Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration
Robi Junipa, Michel Bee
Indonesian Petroleum Association
... interval velocity model was finally converted to average velocities and used for converting from time to depth horizon, fault and seismic volume. Seismic...
2010
Providing In-Depth Knowledge
Halfdan Carstens
GEO ExPro Magazine
... Geo, where he has worked since 2004. "We start by collecting all the seismic processing velocities into a "stacking velocity" cube. Then we process...
2009
Permeability Multiplier Prediction Utilizing Wide Azimuth 3D OBC Seismic Data; #41349 (2014)
T. Matarid
Search and Discovery.com
... to an ellipse to find out the fast and slow velocity direction and the difference between those velocities. The Interval Velocity is sensitive to Lithology...
2014
High Performance Seismic Data Migration for High Resolution Interpretation
C. N. Chernoff
Indonesian Petroleum Association
... lateral velocity gradients stacking velocities can be used to calculate RMS velocities. The RMS velocities can be used directly in time migration programs...
1983
Velocity Variation Along the Tonga Platform from Multichannel Reflection and Sonobuoy Refraction Data
Robert M. O'Connor
Circum Pacific Council Publications
... seconds of the rms stacking velocities were picked from coherency plots, which used unmuted, and uncorrected gathers as input for a plot of reflector...
1985
ABSTRACT: Stochastic Modeling of Seismic Velocity Fields; #90013 (2003)
David Geraets, Paolo Ruffo, Alain Galli
Search and Discovery.com
... Paris Cedex 06, France Stochastic Modeling of Seismic Velocity Fields We present a new tool for simulating instantaneous velocities given stacking...
2003
Accurate Depth Conversions Reduce Risk
Larry C. Luton, Corine Prieto
GCAGS Transactions
..., vertical seismic profiles, sonic logs and geological tops. Seismic imaging velocities (stacking and migration) are interpreted from various seismic...
2000
Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)
Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly
Geological Society of Malaysia (GSM)
... with a 2nd order stacking velocity correction. Such an automated velocity analysis was performed using a grid of 8 Inlines x 8 Crosslines (100 m x 100 m...
2008
Comprehensive Use of VSP Technology at Elk Hills Field, Kern County, California, by R.J. Brewer and Don Greenfield, #40091 (2003).
Search and Discovery.com
2003
3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs
Antonio C.B. Ramos, T.L. Davis
Rocky Mountain Association of Geologists
... sandstones (with compressional velocities = 3800 4 s and dcnsity z 2.57 g/cm3) occur above an important producing coal level (with compressional velocity z...
1997
Abnormal Pressure Evaluation of the Recent Pliocene and Miocene Gas Discoveries from the Eastern Nile Delta, Egypt, Using 2D and 3D Seismic Data
Philip D. Heppard and Martin L. Albertin
Houston Geological Society Bulletin
... to the Akhen #1 and Ha'py #1 wells showed that, in general, the seismic velocities compared well with the average velocity measured by sonic tools (Figure 2...
1998
Yesterday, Today, and Tomorrow in Seismic Exploration
Emil J. Mateker, Jr.
GCAGS Transactions
.... This addition, called stacking, requires knowledge of a form of velocity (the rms or stacking velocity) which can be obtained from the time moveout...
1970
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
... time versus offset relationships along coherent events within these velocity gathers are analyzed to determine normal moveout (Vnmo) or stacking...
1985
Integration of Depth Conversion, Seismic Inversoin and Modeling Over The Belida Field, South Natuna Sea Block "B", Indonesia
Patrick Jonklaas
Indonesian Petroleum Association
... The techniques mentioned above are: average velocities (VA). stacking velocities (Vstk), interval velocities (VI) and rate of increase in velocity...
1991