Improvements in metal salts

Details Improvements in metal salts Improvements in metal salts

C - Chemistry, Metallurgy

07

C

C07C 51/00 (2006.01) C07C 51/487 (2006.01)

Patent

CA 2491380

Alkali metal carboxylate salt brines, such as cesium formate brine, are used in oil and gas drilling procedures. Contamination with chloride ions can be controlled by treatment with a silver salt solution, and removing silver chloride formed. High density brines can be obtained, suitable for re-use.

Saumures alcalines métalliques à base carboxylate, telles qu'une saumure de formate de césium, utilisées dans des procédés de forage d'huile et de gaz. On peut lutter contre la contamination par des ions chlorure au moyen d'un traitement à base de sel d'argent en solution et par suppression du chlorure d'argent obtenu. On peut obtenir des saumures de densité élevée qu'on peut réutiliser par la suite.

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