E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 41/02 (2006.01) E21B 17/20 (2006.01) F16L 11/08 (2006.01) F16L 11/12 (2006.01)
Patent
CA 2055495
A new auxiliary injection tube concept is disclosed for injecting a fluid containing corrosion and/or deposit inhibiting agents into a well from the surface, without stopping working. The invention comprises a tube (10) conveying the injected agents, coated with a material (11) which is inert with respect to the fluid collected by the well and support cables (12), disposed about the tube (10) and also coated with material (11) providing both secondary protection of the tube (10) in the case of damage to coating (11) and the mechanical characteristics required for the injection tube, particularly during withdrawal form the well.
Lucet Raymond
Turon Roland
Ungemach Pierre
Goudreau Gage Dubuc
Lucet Raymond
Turon Roland
Ungemach Pierre
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