[Users] Using OpendTect for simple time-to-depth stretch?

[Tom Kearney]

All,

 

Can anyone suggest a way to use the attribute package to do a simple
vertical stretch of a seismic volume from time to depth? I wish to use a
simple two-layer model, such that if the sample is above the seabed
horizon, use a constant velocity; if below the seabed, derive a value
from a simple polynomial relating velocity to time below seabed. My
problem is that the output samples (in depth) will effectively have a
reference shift as compared to the input samples (in time), and will
need to be rounded up to some pre-defined depth sampling increment, and
I can't see how to apply this.

 

Thanks for any ideas.

 

Regards,

 

Tom Kearney

Staff Geophysicist

 

Salamander Energy plc

#34-02 UOB Plaza 1,

80 Raffles Place,

Singapore 048624

Tel:    +65 6309 3300

DID:   +65 6309 3472

Mob:  +65 9732 1767

Fax:   +65 6536 5390

Email: Tom.Kearney at salamander-energy.com.sg 

 

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