Mechanically actuated fluid control device for downhole...

Details Mechanically actuated fluid control device for downhole... Mechanically actuated fluid control device for downhole...

E - Fixed Constructions

21

B

E21B 4/02 (2006.01) E21B 21/10 (2006.01) E21B 44/00 (2006.01)

Patent

CA 2082488

MECHANICALLY ACTUATED FLUID CONTROL DEVICE FOR DOWNHOLE FLUID MOTOR PATENT ABSTRACT OF THE DISCLOSURE Apparatus is disclosed for controlling the power supplied to a drill bit by a downhole fluid powered motor to prevent the motor from rotating the bit at high speeds when there is little or no weight in the bit while main- taining full circulation through the fit. Apparatus also disclosed for restricting the flow of drilling fluid of the drill pipe when circulation is fully or partially lost. JBT\REIC00PA.001

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