Process for preventing or remediating trithiazine deposition...

Details Process for preventing or remediating trithiazine deposition... Process for preventing or remediating trithiazine deposition...

B - Operations, Transporting

01

D

B01D 53/48 (2006.01) B01D 53/34 (2006.01)

Patent

CA 2682595

A method for treating a wellbore in a hydrogen sulfide-containing formation that includes injecting a first slug in the wellbore, the first slug comprising: at least one of primary amine and ammonia; and a base fluid; injecting a second slug in the wellbore, the second slug comprising: a triazine scavenger; and a base fluid; and allowing the triazine scavenger to react with the hydrogen sulfide is disclosed.

L'invention concerne un procédé de traitement d'un puits dans une formation contenant du sulfure d'hydrogène qui consiste à injecter un premier bouchon dans le puits, le premier bouchon comprenant: une amine primaire et/ou de l'ammoniaque; et un liquide de base; à injecter un second bouchon dans le puits, le second bouchon comprenant un piégeur à base de triazine; et un liquide de base; et à permettre au piégeur à base de triazine de réagir avec le sulfure d'hydrogène.

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