Novel wellhead-adjustable workover rig

• Main Authors: MIAO LINHUI, LOU JIANG, XU HUIJUAN, ZHANG XIANCHUN
• Format: Patent
• Language: Chinese; English
• Published: 05.09.2023
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model relates to a novel adjustable well mouth type workover rig which comprises an adjustable supporting base, an adjustable supporting frame is arranged on the inner surface of the periphery of the adjustable supporting base, and the adjustable supporting base comprises an adjusting block, a transverse adjusting rod, a vertical adjusting rod, a transverse hollow rod, a vertical hollow rod and supporting legs. The adjustable supporting frame comprises a workbench, four groups of hollow sliding seats, four groups of adjusting plates, four groups of rotating shafts and a well repairing tractor. When the well repairing machine supporting base is used, the size and the shape of the well repairing machine supporting base can be adjusted according to the well mouth style and the well mouth size of a well mouth, so that the well repairing machine supporting base is suitable for being used for different well mouths; during use, it can be guaranteed that the maintenance assembly is located in the center o