Ecolab USA Inc.

Dinesh Balkisan Mantri

Jasbir S Gill

David Hardie Rodman

Jothibasu Seetharaman

Santanu Banerjee

The disclosure relates to improved methods for inhibiting the formation and deposition of calcite scale in aqueous systems. In particular, the methods include injecting a composition into an aqueous system or wellbore. The composition includes a calcite scale inhibitor. The calcite scale inhibitor may be a copolymer of acrylic acid or methacrylic acid and an anionic monomer.

Calcite scale control agent for geothermal wells

A method of inhibiting corrosion of a metal surface in contact with geothermal system is provided. The method may include contacting the metal surface with a corrosion inhibitor composition by adding the composition to geothermal process water. The corrosion inhibitor composition may include an organic phosphonate, an ortho phosphate, and zinc or a salt thereof.

Corrosion inhibitor formulation for geothermal reinjection well

The disclosure relates to improved methods for inhibiting the formation and deposition of sulfide and silica scale in aqueous systems. In particular, the methods include injecting a composition into an aqueous system or wellbore. The composition includes a sulfide scale inhibitor and a silica scale inhibitor. The sulfide scale inhibitor may be a copolymer of acrylic acid or methacrylic acid and an anionic monomer. The silica scale inhibitor may be a copolymer of acrylic acid or methacrylic acid and an alkoxylated monomer.

Iron sulfide scale control agent for geothermal wells

A composition and method for dispersing sulfur, cleaning sulfur deposits, and minimizing foaming in an aqueous system is disclosed. The method may include adding a first sulfur dispersant to process water containing sulfur and dispersing the sulfur. The first sulfur dispersant may include a C-Calkyl polyglycoside. A second sulfur dispersant may also be added to the process water. The second sulfur dispersant may include a polymer of acrylic acid and 2-acrylamido-2-methylpropane sulfonic acid.

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Pune, India

Dinesh Balkisan Mantri