Drill cuttings conveying apparatus with flexible duct for improv

Details Drill cuttings conveying apparatus with flexible duct for improv Drill cuttings conveying apparatus with flexible duct for improv

1981-12-21

1984-04-24

Novosad, Stephen J.

Boring or penetrating the earth

With above-ground means for preparing or separating drilling...

175209, E21B 2106, E21C 702

Patent

active

044442807

ABSTRACT:
A drill cuttings conveying head for a portable drill rig includes a flexible tubular duct portion which is operable in conjunction with extension and retraction cylinders for the head to bend the duct portion sufficiently to permit retraction of the head to provide suitable ground clearance for transport of the rig. An actuator for bending and straightening the flexible duct portion is interconnected by way of a pressure fluid control circuit with the head extension and retraction cylinders for movement of the duct portion in conjunction with the extension and retraction of the conveying head.

REFERENCES:
patent: 2041689 (1936-05-01), Baumeister et al.
patent: 2634952 (1953-04-01), Brinkley
patent: 3811518 (1974-05-01), Kalaf et al.
patent: 4332301 (1982-06-01), Jonell

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