Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View

Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff

Indonesian Petroleum Association

.... Initial Velocity Model and Shallow Horizons Interpretation A first Kirchhoff depth migration was run using an initial smoothed velocity model derived...

Application of Seismic Surveying to Direct Exploration for Oil and Gas

A. M. Ivanchuk, L. F. Tarkhova

Petroleum Geology: A Digest of Russian Literature

...-bearing strata on attenuation and velocity of seismic waves. Field studies have shown that the decrease in velocity of propagation at pools reaches...

Implications of Seismic Attribute Computations from Depth-Migrated Data; #41980 (2017)

Lilian Vargas-Meleza, Edgar Espinoza-Carrasco, Sergio Chávez-Pérez

Search and Discovery.com

... attributes are calculated from depth-migrated data. For instance, vertical sampling is no longer in milliseconds but in meters. Attribute calculations...

Sedimentologic and Physical Oceanographic Evidence of a Shelf Edge Counter Current Off Guinea Bissau, Guinea and Sierra Leone

David W. McGrail

Journal of Sedimentary Research (SEPM)

... for the calculation of the Ekman number. Commonly, the scale of choice for E is a mean depth characterizing the area of interest. By using a horizontal scale...

Applications of Pre-Stack Migration; Richard Postma; Search and Discovery Article #40029 (2001)

Search and Discovery.com

Checkshots and Vertical Seismic Profiles: Part 7. Geophysical methods

B. A. Hardage

AAPG Special Volumes

... the areal and vertical distributions of reservoir and sealing units are measured as functions of seismic traveltime, not as functions of depth...

Abstract: Reducing Fault-related Structural Uncertainties by Ranking Models using Seismic Data Misfit Functions; #90286 (2017)

Modeste Irakarama, Gabriel Godefroy, Paul Cupillard, Guillaume Caumon, Paul Sava

Search and Discovery.com

...Abstract: Reducing Fault-related Structural Uncertainties by Ranking Models using Seismic Data Misfit Functions; #90286 (2017) Modeste Irakarama...

Importance of Good Time to Depth Conversion Method to Reduce GRV Uncertainties of Producing Fields in the South Sumatra Block, #20494 (2020).

Danar Yudhatama, Aurora Juniarti, Erwin Muhamad Indra Kusumah, Yudi Yanto,

Search and Discovery.com

... structure map that has a similar pattern with the time structure map. Time to depth conversion method that honors the lateral velocity variation is using...

Quantifying Velocity-Geology-Pressure Relationships in Core: The Foundations of a 4-D Seismic Feasibility Study in the Ichthys Gas-Condensate Field, NW Australia

Search and Discovery.com

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

... calculated were depth variant. These functions were then extrapolated to the entire seismic line relative to the water bottom depth. The isotropic model...

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... in interval velocity with depth, the DMO operator used is based either on a time-invariant or time-variant DMO algorithm. To some extent the velocity...

Sonic velocity, submarine canyons, and burial diagenesis in Oligocene-Holocene cool-water carbonates, Gippsland Basin, southeast Australia

Malcolm W. Wallace, Guy R. Holdgate, Jim Daniels, Stephen J. Gallagher, Andrew Smith

AAPG Bulletin

... surface for this region. Figure 11. The seismic line in Figure 10, converted to depth using the velocity model of Figure 10C. Dashed line at base...

Lateral Changes in Seismic Velocities and Their Effect on Depth Prediction

J. Pinchin, M. Bayly

Petroleum Exploration Society of Australia (PESA)

... Basins, is measurement of the vertical velocity profile. Seismic stacking velocities are generally accurate to only a few per cent, but by averaging...

New Integrated Workflows for Improved Pore Pressure Prediction and Seismic Imaging, #41705 (2015).

Marek Kacewicz, Sankar Muhuri, Weihong Fei

Search and Discovery.com

... using petrophysics established Vertical Effective Stress – Velocity transforms. Step 1 is optional and depends on MEM availability. Based on our...

Abstract: A Prototype for Computer Management of Petroleum Data and Generation of Maps and Sections Using 4th Dimension, by D. E. French and J. D. McBane; #90952 (1996).

Search and Discovery.com

PP-PS depth-domain AVA inversion

Maud Cavalca, Robin P. Fletcher

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion, using point spread functions. We extend the approach of Fletcher et al. (2012) and estimate earth model properties through a joint PP-PS depth...

True StratigraphicThickness (TST); An Important Element in the Exploration for Foothills Oil and Gas Reserves

Andrew C. Newson

Search and Discovery.com

... on many aspects of the exploration and development of hydrocarbons in the Foothills: x Velocity models for seismic depth conversion x Wells...

True StratigraphicThickness (TST); An Important Element in the Exploration for Foothills Oil and Gas Reserves

Andrew C. Newson

Search and Discovery.com

... on many aspects of the exploration and development of hydrocarbons in the Foothills: x Velocity models for seismic depth conversion x Wells...

Limitations of Reflection Seismograph

L. E. Nugent, Jr.

AAPG Bulletin

... the reflection interfaces, a depth-displacement method, which is calculated by the formula previously mentioned, but using interval velocity, is best...

Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

...Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014...

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... by rapid lateral velocity changes, velocity pull-up, etc. and (b) the necessity of using a depth migration process versus time migration plus...

Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)

Yongwang Ma and Gary Margrave

Search and Discovery.com

... migration algorithm using the Gabor transform with application to the Marmousi acoustic dataset. The imaging results show a very promising depth imaging...

Flowback Analysis of the Abadi Field

Iwan Kurniawan

Indonesian Petroleum Association

... by calculating the terminal settling (critical) velocity of each material and investigates using OLGA software whether the gas velocity is sufficient...

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...

Seismic Velocity Variations in San Joaquin Valley, California

Walter S. Olson

AAPG Bulletin

..., and the linear increase of interval velocity with depth. Both equations may be fitted to data by using least squares. These equations give the simplest...