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Apparatus for cutting a pipe disposed in a pipe string extending from the surface of the earth down a borehole. The apparatus comprises a body having an elongate axis and being adapted to be lowered at a first end down the pipe string to the pipe to be cut, to support a quantity of solid combustible

Apparatus for cutting a pipe disposed in a pipe string extending from the surface of the earth down a borehole. The apparatus comprises a body having an elongate axis and being adapted to be lowered at a first end down the pipe string to the pipe to be cut, to support a quantity of solid combustible material for providing a pipe cutting flame and to direct the pipe cutting flame along the elongate axis toward a second end of said body. A nozzle is connected to the second end of the body for directing the pipe cutting flame from the elongate axis of the body radially against the pipe to be cut.

대표청구항

Pipe cutting apparatus as set forth in claim 4, further comprising: means connected to said body for igniting said combustible material from the surface of the earth.

Pipe cutting apparatus as set forth in claim 4, further comprising: means connected to said body for igniting said combustible material from the surface of the earth.