Patent ID: 11931822
Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
Field: Civil engineering (Other fields)
Classification: CPC B  C  E | IPC B  C  E

Claim 0:
1. A system, comprising:
a welding tool having:
a tool housing;
a thermite mixture contained in the tool housing;
a thermite igniter configured to selectively ignite the thermite mixture in the tool housing to form a molten metal; and
a nozzle coupled to the tool housing and comprising an inlet region, an outlet region, a flow path from the inlet region to the outlet region, and an outer wall disposed about the flow path, wherein the outlet region has an annular opening defined by an inner surface of the outer wall and an opposing surface, wherein the annular opening of the outlet region is disposed at a distal end of the nozzle, wherein the inner surface has a first taper with an increasing width from the inlet region to the outlet region, wherein the first taper extends to the distal end of the nozzle around the annular opening, wherein the inlet region of the nozzle is configured to receive the molten metal from the tool housing and direct the molten metal from the annular opening of the nozzle to a desired annular-shaped region, and wherein the outer wall comprises an outer surface having a second taper from the inlet region to the outlet region.