Ball centralizer

• Main Authors: WANG FENKANG, YANG GUANGJIAN, SUN BAOJING, DU HANSONG, WANG PANQIANG, LI DAWEI
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2022
• 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 ball centralizer which comprises a centralizer body. The centralizer body comprises an upper body and a lower body which are connected with each other; a ball groove upper half groove is formed in the lower end of the upper body, a ball groove lower half groove is forme...