Scale Inhibitors

Organophosphorus inhibitors (e.g., ATMP, HEDP, DTPMP, PBTC) that provide strong threshold inhibition and chelation, widely used for carbonate and sulfate scales and favored in squeeze applications for good formation retention.

Polyacrylate, polymaleic acid, and sulfonated copolymer chemistries that inhibit and disperse scale; effective on sulfate scales and often more tolerant of high-calcium brines and elevated temperatures than some phosphonates.

Products formulated specifically to control barium, strontium, and calcium sulfate (including barite) scale, typically required where seawater sulfate mixes with formation brine high in barium or strontium.

Inhibitors targeting calcium carbonate (and related carbonate) scale, the most common scale driven by CO2 outgassing and pressure drop, often selected for compatibility with low-pH and high-bicarbonate brines.

Thermally stable inhibitor chemistries qualified for high-pressure, high-temperature wells where conventional products degrade, retaining performance and squeeze retention at elevated downhole temperatures.

Encapsulated or solid inhibitor systems placed in the wellbore, rat hole, or proppant pack that release active inhibitor slowly into produced fluids to extend treatment life between interventions.

Remedial chemicals—chelant-based or acid-based—used to dissolve existing deposits such as barium sulfate, calcium sulfate, calcium carbonate, and iron sulfide once scale has already formed, restoring flow.

Inhibitor packages designed for near-wellbore squeeze placement, formulated for controlled adsorption/desorption or precipitation in the formation to deliver protection over many months of production.