The starting point for subsurface depth measurements.
The most popular Logging Reference Points are:
- Rig Floor ( in Open Hole Logging applications )
- Tubing Head ( in Cased-Hole Logging applications )
- Rotary Table ( in drilling applications )
- Kelly Bushing ( in drilling applications )
- Sea Level ( in geodetic applications)
- Ground Level ( in geodetic applications)
See Also
Petroleum Industry / Upstream / Data Acquisition / Well & Reservoir Surveillance / Well Logging / Measured Depth