Sucker rod back-off device tool

• Main Authors: LI ZHENG, ZHOU HUA, WANG SIMING, WANG NING, HU CHUNBO, WANG XIAOWEN, LI DANFENG, LI CHANGFU, CHI HONGTAO, WANG JIAN, LIU BING, ZHANG ZHONGNI, WANG GANG, JIN JUXIANG, LI NAN, LI DONG, WEI QINGQING
• Format: Patent
• Language: Chinese; English
• Published: 25.01.2022
• 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 invention discloses a sucker rod back-off device tool. The sucker rod back-off device tool comprises a first tooth support (4) and a second tooth support (5) which are arranged up and down, the first tooth support (4) and the second tooth support (5) are connected through a bolt (1) and a nut (6), a lower tooth piece installation groove (41) is formed in the lower surface of the first tooth support (4), an upper tooth piece installation groove (51) is formed in the upper surface of the second tooth support (5), an upper tooth piece (2) is arranged in the lower tooth piece installation groove (41), a lower tooth piece (7) is arranged in the upper tooth piece installation groove (51), and the upper tooth piece (2) and the lower tooth piece (7) can be detached. According to the sucker rod back-off device tool, the personal injury risk caused by manual back-off can be avoided, the time for replacing an oil pipe hydraulic clamp after the sucker rod back-off hydraulic clamp is used for back-off is shortened, wa