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The AAPG/Datapages Combined Publications Database

Showing 8,046 Results. Searched 195,387 documents.

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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

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

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

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