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US 11,535,790 B2Granted
Multivalent iron bio-inhibitor from waste bauxite residue to control reservoir souring
AssigneeSaudi Arabian Oil Company
InventorHarry Daniel Oduro
Life of this patent
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Abstract
This disclosure relates to a method of fabricating a multivalent iron bio-inhibitor from waste bauxite residue and methods of controlling reservoir souring using the multivalent iron bio-inhibitor.
Claims15
A method for treating or preventing reservoir souring, comprising:
- providing a multivalent iron bio-inhibitor product comprising coupled zFe0—Fe2+—Fe3+ to a reservoir;
- and
- inhibiting or terminating the growth, activity, or both, of sulfur-reducing bacteria present in the reservoir.
A method for inhibiting or terminating the growth or activity of sulfur-reducing bacteria in a reservoir, comprising providing a multivalent iron bio-inhibitor product comprising coupled zFe0—Fe2+—Fe3+ to a reservoir, wherein the multivalent iron bio-inhibitor product is fabricated from waste bauxite residue.
Dependencies are inferred from the claim text.