E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 37/06 (2006.01) E21B 43/12 (2006.01)
Patent
CA 2593876
In some embodiments, a method of delivering at least one chemical into an underground well equipped with a reciprocating plunger includes retaining the plunger above the well after the well is unloaded and shut in, dispensing at least one chemical into the well and releasing the plunger so that the plunger may drop in the well after the chemical(s).
Selon certains modes de réalisation, une méthode d'introduction d'au moins un produit chimique dans un puits souterrain doté d'un piston plongeur comprend la retenue du piston au-dessus du puits après la décharge et la fermeture du puits, l'introduction d'au moins un produit chimique dans le puits et la libération du piston de manière à ce qu'il puisse plonger dans le puits à la suite du ou des produits chimiques.
Baker Hughes Incorporated
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Bj Services Company
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