Drilling equipment

Details Drilling equipment Drilling equipment

E - Fixed Constructions

21

B

255/25

E21B 21/12 (2006.01) E21B 7/18 (2006.01) E21B 7/24 (2006.01) E21B 17/18 (2006.01) E21B 21/00 (2006.01)

Patent

CA 1217759

IMPROVEMENTS IN DRILLING EQUIPMENT Abstract of the Disclosure A simple and economical device is placed in a drill string to provide a pulsating flow of the pressurized drilling fluid to the jets of the drill bit to enhance chip removal and provide a vibrating action in the drill bit itself thereby to provide a more efficient and effective drilling operation.

432054

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