PLANT FOR SERVICING OF OIL AND GAS WELLS Russian patent published in 1997 - IPC

FIELD: oil and gas production; applicable in production process, repair and investigation jobs in wells with use of continuous steel pipes. SUBSTANCE: mounting base of vehicle carries hoisting unit with feed mechanisms, operator's cab and drum with continuous steel pipe. Drum has circular hollow communicated by radial branch with hollow axle and axial branch pipe. Mounted on the axle and branch pipe are eye-bolt swivels providing for supply and discharge of exhaust gases of vehicle. Mounted on the other end of hollow axle is one more eye-bolt swivel for supply of working agent through third radial branch pipe to continuous steel pipe. Hoisting unit is made of three hinged with one another frames whose main one may be turned, both, in vertical and horizontal planes. Operator's cab is adjustable in height. EFFECT: extended capabilities of the plant. 4 cl, 4 dwg