Valve special for oil field thermal recovery

• Main Author: WANG JIUYI
• Format: Patent
• Language: Chinese; English
• Published: 15.07.2022
• 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 the technical field of oil field thermal recovery, in particular to a special valve for oil field thermal recovery, which comprises a valve, a valve core, a valve core and a valve core, the labor-saving part comprises a telescopic part, a limiting part, a rotating part and a fixed part; the pushing piece is arranged at the bottom of the telescopic piece; the telescopic valve has the advantages that the telescopic column can stretch out and draw back in the telescopic groove, when the valve is difficult to screw, the telescopic column extends out to lengthen a force arm, and the valve is easier to screw; after the rotating wheel provided by the utility model rotates, the fan-shaped block outside the rotating wheel pushes the limiting block, so that the limiting block is clamped into the clamping groove, and the position of the telescopic column is fixed. 本实用新型涉及油田热采技术领域，具体为油田热采专用阀，所述油田热采专用阀包括：阀门，阀门的中部安装有连接杆；省力件，省力件包括伸缩件、限位件、转动件和固定件；及顶推件，设于伸缩件的底部；有益效果为：本实用新型提出的伸缩柱能够在伸缩槽中伸缩，当阀门难以拧动的时