Check shot wizard: define datums
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With this feature... |
Do this... |
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Check shot source offset |
Type the check shot offset coordinates. |
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Check shot depth reference |
Type the subsea depth from which the check shot depths are measured (typically the same as the log KB). |
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Check shot source elevation |
Type the subsea depth at which the check shot energy source is located. Typically it's deeper than the log KB. In a marine setting, the air guns are a few meters below sea level. |