DRILLING RIG

摘要

FIELD: drilling machinery and equipment. SUBSTANCE: this relates to movable drilling rigs intended for ground surface drilling of grouping bore-holes and for repair of wells. Drilling rid incorporates movable module with derrick, and supporting units in the form of jacks with spacers. Spacers are made in the form of coaxial cylinders having circular grooves. Jacks are installed for possible step-by-step displacement relative to each other. Body of each jack is provided with adjusting nut. Support of jack has centering shoulder which is in contact with one of cylinders. Aforesaid embodiment of device can be used in drilling rigs for relieving of wheeled running gear and levelling of drilling rigs. EFFECT: higher efficiency. 3 dwg-