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Introduction


The Velocity and Attribute Modeling (VAM) Module in DepthInsight TM can simulate velocity and attribute data for any complex geological setting by utilizing the structural model to constrain the results and to also integrate seismic and well data in the process. The velocity and attribute models can be viewed and edited in 3D interactively on the screen. The results of the computed velocities and attributes can be output to a standard SEGY format that can be conveniently used in other systems for forward modeling, seismic inversion and time/depth conversion.

Technical Differentiation

Performing velocity and attribute modeling within the framework of DepthInsight’s TM Structural modeling, the system incorporates all the horizons and faults, which results in a much better positioned and more accurate model. Because the velocity model is tied to the framework and well picks, there should be no misties in the results.

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Main Functions

Structural control

- Uses faults and horizons from structural model

- Tied to well picks so no mis-ties


Multiple Methods of Velocity Modeling

- Interpolation from well data

- Integrating well data and the velocity spectrum

- Use layer velocity and reconstruction


Attribute modeling

- Establish various seismic attribute models with high resolution

- Generate horizontal slice, vertical slice and 3D transparent rendering map

- Generate horizon slice


3D Editing

Time / Depth conversion

SEGY output – can be used in forward modeling, seismic inversion and pre-stack depth migration



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Demonstration Video

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Case study

- Velocity modeling by integrating well data and the velocity spectrum

 

 

- Velocity modeling and calibration under 3D space, strictly matched with well data after time-depth conversion and has no transverse phenomenon

Horizontal velocity interpolation

 

Velocity modeling under complex overthrust fault

 

Velocity modeling under thrust fault and high-speed shelter  

 

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