Depth References For Onshore Wells

Offshore Datum

DEPTH REFERENCES FOR OFFSHORE WELLS DRILLED WITH SURFACE BOPs.

Mean rotary table elevation, RT

Local datum (e.g. Mean Sea Level, MSL)

Mean rotary table elevation, RT

Local datum (e.g. Mean Sea Level, MSL)

Onshore Drill Oil Well
Conductor *20" Casing

DEPTH REFERENCES FOR OFFSHORE WELLS DRILLED WITH SUBSEA BOPs.

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