chemistry matters

Acids

Acids

Acid stimulation is one of the oldest methods to enhance production in new and older wells. This method is used to increase permeability in production and injector wells in carbonate or sandstone reservoirs by dissolving various solids naturally present or the formation damage particles resulting from drilling or perforating applications. Acid treatments are extremely toxic and hazardous to personnel and equipment and should be handled with the utmost caution.

EcoSolve Acid Replacement System

With new completions and remedial treatments of older wells, acid treatments are typically used in a variety of designs to stimulate the reservoir. These reactive fluids dissolve a variety of particulates and minerals that impair fluid flow from the reservoir to the surface. Depending upon the formation, these acid treatments use hydrochloric acid (HCl) and, in rare occasions, hydrochloric / hydrofluoric acid (HCl/HF) blends. If mishandled, both blends are extremely toxic chemicals.

Hazardous to humans, they can also destroy downhole casing, tools and pumps. Despite these dangers, companies historically have not had cost-effective alternatives. EcoSolve is a proven, non-hazardous, cost-effective acid alternative for HCl blends. Satisfying even the most rigorous requirements, EcoSolve can be enhanced to specific requirements by the addition of many different conventional oilfield additives.

Because of its immediate and more controllable spending nature, EcoSolve extends its reach deeper into the formation while maintaining rock dissolving properties. It is proven extremely effective in fracturing spearheads, scale removal, matrix squeezes and fracture acidizing applications.