SeisDepth

TWT → Depth conversion for seismic profiles

Velocity model
Choose how interval velocities are defined.
Display range

Max depth: 15246 m

Layers (6)
Time domain
TWT (ms), increasing downward
0
1600
3200
4800
6400
8000
Clay (unconsolidated) · 1650 m/s
Coal · 2469 m/s
Shale · 3385 m/s
Sandstone · 4056 m/s
Salt (halite) · 4442 m/s
Depth domain
Depth (m), increasing downward
0
3110
6220
9331
12441
15551
Clay (unconsolidated) · 1650 m/s
Coal · 2469 m/s
Shale · 3385 m/s
Sandstone · 4056 m/s
Salt (halite) · 4442 m/s
TWT–Depth function
Cumulative depth at each TWT step (one-way depth model).
Converted horizons
Per-layer depths with propagated uncertainty.
LayerTWT (ms)V (m/s)Thickness (m)Depth (m)± (m)Error %
Seawater
015000.00.0±0.00.0%
Clay (unconsolidated)
016500.00.0±0.00.0%
Coal
8002469660.0660.0±52.88.0%
Shale
16003385987.61647.6±131.88.0%
Sandstone
240040561354.03001.6±240.18.0%
Salt (halite)
340044422028.05029.6±402.48.0%