Pulsation nozzle, for self-excited oscillation of a drilling...

Details Pulsation nozzle, for self-excited oscillation of a drilling... Pulsation nozzle, for self-excited oscillation of a drilling...

E - Fixed Constructions

21

B

E21B 7/24 (2006.01) E21B 7/18 (2006.01)

Patent

CA 2121232

2121232 9308365 PCTABS00021 A pulsation nozzle is adapted for insertion in a drill bit such as a single body or tri-cone bit, for delivery of a pulsed jet of thixotropic drilling fluid during drilling operations. The nozzle defines an inlet orifice (33) communicating with an internal cavity (32) and an outlet orifice (31), the dimensions of which are chosen in such a way as to induce the cyclical propagation of disturbances in a shear boundary defined between fluid passing directly through the nozzle and fluid which is momentarily trapped in the cavity, thereby inducing a self-excited oscillating flow of said fluid within the nozzle, and a rapid pulsing flow emitting from the nozzle.

Affiliated with

Also associated with

Rating

Pulsation nozzle, for self-excited oscillation of a drilling... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pulsation nozzle, for self-excited oscillation of a drilling..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pulsation nozzle, for self-excited oscillation of a drilling... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1692846