FOLDING DRILLING RIG WITH LATERAL V-DOOR RAMPS Russian patent published in 2021 - IPC E21B7/02 E21B15/00 

FIELD: drilling equipment.

SUBSTANCE: invention relates to drilling equipment. Drilling rig contains a right substructure and a left substructure, located parallel and at a distance from each other, drilling rig floor with V-doors, derrick that contains the open side defining the side of the derrick’s V-doors, configured to be connected to the drilling rig floor at one or more pivot points and at one or more lower derrick attachment points, as well as pivotable in a direction parallel to the V-doors of drilling rig floor, or alternatively pivot in a direction perpendicular to the side of the V-doors of the drilling rig floor; and cylinder base containing one or more hydraulic cylinders which are mechanically connected to one or more corresponding upper derrick attachment points located on the derrick. The right and left lower derrick substructure additionally contain one or more hydraulic cylinders, while the hydraulic cylinders are mechanically connected to one or more corresponding upper derrick attachment points located on the derrick. The derrick contains one or more braces installed for fastening the derrick at the points of the derrick attachment and is made with the ability to pivot when lowering in the direction from the side of the V-doors of the drilling rig floor, and the cylinder base is mechanically connected to the left lower derrick substructure, or towards side of the V-doors of the drilling rig floor, and the cylinder base is mechanically connected to the lower right derrick substructure.

EFFECT: said invention provides movement from one location to another for multiple wells drilling within one drilling site.

16 cl, 13 dwg.