Oil field underground oil extraction screw pump fixer capable of reducing abrasion of sucker rod

• Main Authors: ZU YUNPENG, GOU FENGKAI, DONG DANDAN, WU SHUO, CHEN ZHONG, JIA PEIJING, ZHOU YANAN, YANG JIE, ZHAO XINGXING, LI KAI
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2022
• Subjects: BLASTING; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; WEAPONS

The utility model relates to the technical field of oil extraction, and discloses an oil field underground oil extraction screw pump fixer capable of reducing the abrasion of a sucker rod, which comprises an oil pumping pipe, a transmission shaft and an oil pumping screw rod, a support sleeve disc is fixedly sleeved on the outer wall of the top end of the oil pumping screw rod, and a limit tray is arranged below the support sleeve disc. Six connecting bases are evenly distributed on the bottom face of the limiting tray in the circumferential direction, the bottom end of each connecting base is connected with a hydraulic telescopic supporting rod through a rotating shaft, six fixing bases are evenly distributed on the top face of the limiting tray in the circumferential direction, and the top end of each fixing base is connected with a supporting wheel through a rotating shaft. The six riding wheels are all in rolling connection with the bottom face of the supporting sleeve disc, the stability of the oil pumpi