Horizontal pipeline boring apparatus and method

Details Horizontal pipeline boring apparatus and method Horizontal pipeline boring apparatus and method

1992-08-27

1994-05-24

Taylor, Dennis L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Repair, replacement, or improvement

175 53, 175 62, 405154, F16L 100, E02D 2900

Patent

active

053142675

ABSTRACT:
Disclosed is a horizontal pipeline boring apparatus and method for installing a pipeline section under a surface barrier such as a roadway or the like. A pilot bore is formed under the barrier. Next, a pipeline section bore large enough to received the pipeline section is formed long the path of the pilot bore using a pipeline boring head having a guide on the advancing side thereof. The guide is designed to engage the walls of the pilot bore and steer the pipeline boring head during cutting along the path of the pilot bore. Drilling liquids can be supplied to the boring operation through the pilot bore and discharged through the pipeline section.

REFERENCES:
patent: 3894402 (1975-07-01), Cherrington
patent: 3902563 (1975-09-01), Dunn
patent: 3905431 (1975-09-01), Hasewend
patent: 4043136 (1977-08-01), Cherrington
patent: 4117895 (1978-10-01), Ward et al.
patent: 4319648 (1982-03-01), Cherrington

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