Drilling Industry Glossary
abandon
abnormal pressure
acidizing
air drilling
alkalinity mud
ambient
angle of deflection
annular blowout preventer
annular pressure
annulus
API cake thickness
API filtrate
API well number
axial load
azimuth
azimuth angle
Azimuth Angle
This is the angle between the plane determined by the vertical and true North directions and the plane containing the wellbore direction and the true vertical.
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