Oil drill rod with wear-resistant layer for deep drilling

• Main Authors: GAO BINQIANG, CHENG DA, ZHAO MEI, YAO TING, YANG HUIZHE
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2022
• 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 petroleum drill rod with a wear-resistant layer for deep drilling, which comprises a rod body, a first concave part and a second concave part are arranged on the outer surface of the rod body, a connecting column is fixedly connected to the left side surface of the rod body, a first thread is arranged on the outer surface of the connecting column, a through hole is formed in the rod body, and a second thread is arranged on the outer surface of the connecting column. A matching groove is formed in the right side face of the rod body, and a second thread is arranged on the inner side face of the matching groove. According to the wear-resistant drill rod, the wear-resistant layer, the protruding part, the first concave part and the second concave part are arranged, the wear-resistant layer can improve the overall wear resistance of the drill rod, meanwhile, the protruding part improves the tightness degree of connection between the wear-resistant layer and the main body layer, the r