Back to results
US 12,735,625 B2Granted
Dissolution of manganese oxides in a wellbore
AssigneeHalliburton Energy Services, Inc.
InventorsKingsley Nzeadibe, Hui Zhou, Emily Hart, Dorianne Arlene Castillo, Pramod Kumar Goswami, Harshada Thakar
Life of this patent
Estimating the term…
Abstract
Treatment fluids and methods for dissolving manganese oxides in a wellbore. A treatment fluid includes an activator selected from the group consisting of hydroxylamine, isopropyl hydroxylamine, ethanolamine, amino alcohols, salts thereof, and combinations thereof; an acid and/or acid-generating agent; and an aqueous base fluid. The treatment fluid is introduced into a wellbore and contacts a manganese oxide in the wellbore to dissolve the manganese oxide.
Claims7
A method for dissolving manganese oxides, the method comprises:
- providing a treatment fluid comprising:
- an activator selected from the group consisting of hydroxylamine, isopropyl hydroxylamine, ethanolamine, amino alcohols, salts thereof, and combinations thereof,
- an acid and/or acid-generating agent, and
- an aqueous base fluid;
- introducing the treatment fluid into a wellbore;
- and
- contacting a manganese oxide in the wellbore with the treatment fluid.
4 more elements
Dependencies are inferred from the claim text.