Workover rig is pressed in area

• Main Authors: HAN ZIRUI, FAN YUCHENG, HAN CHANGLIANG, TANG ZILING
• Format: Patent
• Language: Chinese; English
• Published: 06.11.2018
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model belongs to the technical field of operation equipment is pressed in the area, a workover rig is pressed in area is disclosed, including workstation, wellhead assembly, upper junctionplate, lower bearing plate, stationary slip group, lifting hydraulic cylinder, upper bearing plate, carousel, removal slips group and rotary joint, rotary joint sets up and is moving between slips group and the carousel, and rotary joint includes that inner tube and cover establish the urceolus on the inner tube, the inner tube respectively with remove slips group and carousel fixed connection, be equipped with on the outer peripheral face of inner tube respectively with a plurality of ring channels of first pneumatic cylinder and second pneumatic cylinder intercommunication, be equipped withon the urceolus with a plurality of a plurality of inlet ports of ring channel one -to -one intercommunication. The utility model discloses a set up rotary joint, consequently need not to dismantle the hydraulic line on remov