Directional well
A directional well is an oil industry term for an oil well with a borehole that deviates from a vertically straight line. This is normally done with the intention of hitting several target sands, for instance.
Depiction of a directional well.
Line (a) is an imaginary line representing the True vertical depth, while line (b) is the borehole itself, and its length is called the measured depth
Line (a) is an imaginary line representing the True vertical depth, while line (b) is the borehole itself, and its length is called the measured depth
References
- Directional well, Oilfield Glossary, Schlumberger
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