Diamine terminated primary amine-aldehyde sulfur converting...

Details Diamine terminated primary amine-aldehyde sulfur converting... Diamine terminated primary amine-aldehyde sulfur converting...

C - Chemistry, Metallurgy

07

C

C07C 211/13 (2006.01) B01D 53/48 (2006.01) C07C 211/09 (2006.01) C07C 211/14 (2006.01) C07C 211/36 (2006.01) C07C 215/14 (2006.01) C07C 251/02 (2006.01) C08G 12/06 (2006.01) C08L 61/32 (2006.01)

Patent

CA 2489739

A new class of sulfur scavenging or converting compositions is disclosed comprising diamine terminated, amine-aldehyde adducts, where the adducts are substantially bimolecular amine-aldehyde adducts and the composition is substantially free of trimer and/or triazines. Methods for making and using the new class of sulfur scavenging or converting composition are also disclosed. A plot of weekly average water production (M3/day) versus production week shows the beneficial effect of using such a composition after optimization, adjusting amount based on noxious sulfur content, and after multi-point injection of the composition into well fluids.

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