Twist-proof sleeved sucker rod

• Main Authors: GAO YANG, LIU JIANBIN, GUO QIANG, CAO XUMING, KANG XIAOWANG, LI GUIWEN, GAO DECAI, SUN HAONAN, SHEN JINGYANG, SONG JIANTAO, BAI CHONGGAO
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2022
• 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 provides an anti-twisting sleeve-connection sucker rod which comprises a rod body. The threaded rod is fixedly connected to one end of the rod body, and a first threaded layer is arranged on one side of the outer surface of the rod body; and the adapter is arranged on the outer surface of the threaded rod and comprises a connecting sleeve, a communicating hole is formed in the connecting sleeve, a second threaded layer is arranged in the communicating hole, and a limiting hole is formed in one side of the outer surface of the connecting sleeve. According to the anti-twisting sleeved sucker rod, the anti-twisting device is arranged, threaded connection between the rod body and the adaptor is limited, the rod body and the adaptor cannot loosen when being meshed in a threaded mode, the limiting device limits rotation of the limiting sleeve, and therefore the anti-twisting device, the rod body and the adaptor are all limited, and the anti-twisting effect is achieved. Therefore, the problem that