دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The technique used in drilling in order to explore and exploit reservoir. Mainly including wellbore designing, bit choosing, drilling parameter optimization, deviation controling, drilling fluid choosing and drilling hydraulics.

n: See deviation control bit.

n: Controlling the deviation angle and azimuth of wellbore according to borehole axis in directional drilling.

n: The DHA of controlling deviation in drilling.

n: A kind of cone bit with no offset, opened outer teeth guidance. Used for drilling vertical well and directional well.