Method of measuring drill bit fluid flow

Details Method of measuring drill bit fluid flow Method of measuring drill bit fluid flow

1987-10-16

1988-07-05

Novosad, Stephen J.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Measuring or indicating drilling fluid rate of flow

E21B 2108

Patent

active

047548185

ABSTRACT:
A drill bit having cutting cones is provided with a plenum chamber communicating with orifices for supplying lubricants to the bearings of the cutting cones and orifices communicating with the plenum for supplying cutting liquid and gaseous fluid to jet nozzles on the periphery of the drill bit for supplying a low volume of said cutting liquid and gaseous fluid to the area below the drill bit cutting cones thus reducing the velocity of the cuttings and orifice communicating with the plenum chamber and a meter for measuring the volume of cutting liquid and gaseous fluid being supplied to the drill bit.

REFERENCES:
patent: 2862387 (1958-12-01), Webster
patent: 3422672 (1969-01-01), Payne

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