E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/00 (2006.01) E21B 37/00 (2006.01)
Patent
CA 2637304
Method and apparatus for substantially cleaning fill from a borehole. The apparatus includes a nozzle attachable to coiled tubing, having at least one high energy jet directed downhole; at least one low energy jet directed uphole; and means for switching in the nozzle fluid flow from the coiled tubing from the at least one high energy jet to the at least one low energy jet.
Li Jeff
Walker Scott A.
Wilde Graham B.
B.j. Services Company Canada
Bj Services Company Canada
Sim & Mcburney
LandOfFree
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