Novel rubber tong tooth plate for disassembling and assembling oil field drill rod

• Main Authors: JI LEI, ZHANG ZHIWEI, HOU MIAOYU, LI XIAOBING, ZHANG JILING, GAO DAOXU
• Format: Patent
• Language: Chinese; English
• Published: 26.08.2022
• 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 discloses a novel rubber tong tooth plate for dismounting an oil field drill rod, which comprises a tong tooth plate, the tong tooth plate is an arc-shaped plate, the arc size of the tong tooth plate is matched with the oil field drill rod, a positioning groove is arranged on the inner arc surface of the tong tooth plate, an arc-shaped rubber pad is arranged in the positioning groove, and the arc-shaped rubber pad is arranged in the positioning groove. The outer arc face of the rubber pad is attached to the positioning groove, the end plates are arranged at the two ends of the large tong tooth plate respectively, the end plates are semicircular plates, the strip-shaped grooves are formed in the inner arc face of the rubber pad at intervals, a drill rod can be clamped and fixed at intervals, and clamping firmness and stability are improved. The rubber layer is arranged on the inner surface of the large clamp tooth plate, rigid connection between the large clamp tooth plate and the drill rod c