SEISMIC CHECKSHOTS and VELOCITIES

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Well Related Seismic

Check shots are considered to be a kind of seismic data. In PPDM 3.8 you should use SEIS_SET/SEIS_WELL super and subtype tables to describe the set at a high level. In the SEIS_WELL subtype table, you can add the source and receiver UWI links (or just one, depending on what kind of well related seismic you are describing). If you need to capture the surface to datum velocity, you'll also find that in SEIS_WELL.

Details about acquisition parameters are managed in SEIS_ACQTN_DESIGN etc, just like other seismic.

Tie the SEIS_WELL to the velocity sets by creating a row (or more ) in SEIS_VELOCITY_VOLUME. This table will allow you to describe some summary information, such as where you got the velocities from and whether they are point or interval velocities.

From there, you can create rows in SEIS_VELOCITY to store your Time - depth pairs (along with quite a lot more information about velocities if you have it) or SEIS_VELOCITY_INTERVAL to manage interval velocities.

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