Oil drill pipe joint stable in connection

• Main Authors: HUANG LANPING, YE ZHIMEI, JIANG YEWEI, ZUO ZHONGHUA
• Format: Patent
• Language: Chinese; English
• Published: 05.05.2023
• 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 stable connection petroleum drill rod joint, and particularly relates to the field of petroleum drill rod joints, the stable connection petroleum drill rod joint comprises a drill rod, a drill rod joint body and a non-slip mat, one end of the drill rod close to the drill rod joint body is fixedly connected with a threaded rod, and one end of the drill rod close to the threaded rod is fixedly sleeved with a limiting ring. The side, close to the threaded rod, of the drill rod is movably sleeved with a connecting sleeve, a first limiting groove is formed in the side, close to the drill rod, of the drill rod connector body, and a connecting block is arranged on the side, close to the drill rod, of the drill rod connector body. The connecting sleeve is connected with the threaded block, the connecting strength and connecting stability of the drill rod and the drill rod connector body can be improved, the thread direction of the inner cavity of the connecting sleeve is opposite to the