Multifunctional fish top repairing tool

• Main Authors: XIAO XIAO, HE MINGMIN, ZHANG QI, ZHOU LANG, CHEN ZHU, YANG JIAN, PU JUNHONG, WANG CHENGLIN
• Format: Patent
• Language: Chinese; English
• Published: 22.01.2021
• 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 multifunctional fish top repairing tool which comprises a tool connector which is of a cylindrical structure with two open ends, and the tool connector comprises a firstpart, a second part and a third part; wherein the first part, the second part and the third part are coaxially connected in sequence, the outer diameter of the second part is larger than that of the first part and that of the third part, and the inner diameter of the second part is smaller than that of the first part and that of the third part; the rod body is of a cylindrical structure with two open ends, one end of the rod body is matched with the inner side of the third part, and the other end of the rod body is sealed by alloy particle teeth; the milling shoe sleeving device is of a cylindrical structure with openings in the two ends, one end of the milling shoe sleeving device is matched with the third part, and alloy particle teeth with the same thickness as the milling shoe sleevingdevice are arranged at th