Tool for grabbing and fishing falling objects in well

• Main Authors: LI ZENGKE, YANG YONGKUI, SU YANHE
• Format: Patent
• Language: Chinese; English
• Published: 15.12.2023
• 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 relates to the technical field of well drilling construction, in particular to an in-well fallen object grabbing and fishing tool which comprises a connecting structure, and a grabbing structure is fixedly installed at the bottom of the connecting structure. The grabbing structure comprises a first connecting column fixedly mounted at the bottom of the fixing column, a fixing block is fixedly mounted on one side of the first connecting column, and a first connecting block is fixedly mounted at the bottom of the fixing block; a first connecting column, a fixing block, a first connecting block, a first connecting rod, a first mounting base, a second connecting column, a second mounting base, a second connecting rod, a first hydraulic expansion piece, a third connecting rod and a third mounting base are adopted, adjustment can be conducted according to the in-well diameter, and the device can be suitable for grabbing and fishing of different in-well diameters; and a steel wire knot, a fourth mo