دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a mechanism used to regulate the amount of weight 00 the bit without the presence of personnel. Automatic drillers free the driller from the sometimes tedious task of manipulating the drawworks brake to maintain correct weight on the bit. Also called an automatic drilling control unit.

n: Mechanism to automatically control the weight on the bit.

n: a device that controls the rate of penetration by maintaining a predetermined constant weight on the bit. Also called an automatic driller or automatic drilling control unit.

n: the equipment which controls the drilling speed without the controls of the driller