Protect your heating system against scale and corrosion extending the life of your central heating system. The AP430SS provides unrestricted flow of up to 10 gpm with ¾” NPT inlet/outlet … These precipitates are alkaline earth metal scales. Main scale-inhibitor treatment, which contains the inhibitor chemical, is normally in the concentration range of 2.5 to 20%. Due to the change of temperature or pressure for brine during production, the solubility of some of the inorganic constituents will decrease and result in the salts precipitating. Phosphate esters, in some lower temperature applications, show better performance than phosphonates. When a significant excess of soluble orthophosphate and free hydroxide (caustic) alkalinity is maintained in the boiler water, calcium carbonate formation can be virtually eliminated. 2. Cooling towers and chillers operate by running water through them in order to cool buildings or for “process” purposes in industrial settings. These are stable at the temperatures encountered in the reservoir, up to 245°C. Polymeric dispersants or sludge conditioners are added with the p… Phosphonates are used due to their cost-versus-performance ratio and are easily formulated by neutralizing to reduce their corrosivity and are easily made into combination (multiuse) products. When two incompatible waters (such as formation … The “scale squeeze” is an operation where long-term protection against mineral scale precipitation from the perforations is provided through the topside process. This chemical inhibitor solution is injected continuously into the matrix of the fluid by precipitation and adsorption squeeze treatments. Among the various types of oilfield scale inhibitors, the carboxylate/acrylate type segment accounted for the largest share in 2014. If properly selected, the scale inhibitor treatment concentrations of only a few ppm into the target stream may be effective to prevent scale problems. International Chemical Group’s agile capabilities offer products and solutions across multiple industries. A triphosphonic acid based on adenosine monophosphoric (AMP), PayZone SI 139 scale inhibitor inhibits calcium carbonate, calcium sulfate, and barium scales in light-density completion, treatment, and injection fluids, including seawater. Home » Products and Services » Completion Fluids and Additives » Formation Protection » Scale Inhibitors. By incorporating several types of functional groups into a single molecule, control of scale formation and deposition under more severe conditions than normally encountered can be attained. ICG will be attending 2020 Specialty & Custom Chemicals America in Fort Worth, Texas Feb 10-13, 2020. The dominant type of synthetic polymers, such as acrylamide, acrylic acid, methacrylic acid, and malic acid, having a molecular weight of … Analysis focused on Oil and Gas, Alternative Energy and Geopolitics. In the presence of water, the two metals produce an electrical cell. A method for inhibiting scale formation in an oil or gas well is provided. The scaling tendency can only be lowered by a chemical intervention on the production fluids: reduce the supersaturation of the salts in the water by inhibitors that form chemical complexes with the scaling ions. Real-time graphs and updates on the price of crude oil and other commodities. ICG offers a line of intermediates for the mining industry. Scale inhibitors are a type of chemical whose main applications is the treatment of fluids, as it helps in avoiding any accumulation of formation of undesirable materials in the fluids they are used in. Phosphonates are used due to their cost-versus-performance ratio and are easily formulated by neutralizing to reduce their corrosivity and are easily made into combination (multiuse) products. For cold water applications we suggest you consider the "cold water" scale inhibitor as it contains quite a bit more food grade phosphate crystals. After the injection of the three solutions, the well is shut-in for about 24 to about 48 hours. Inhibit the potential of minerals to form scale. Scale inhibitor compositions, alone or together with polymeric structures, are described and characterized by having, in addition to a phosphonomethylamino group, a sulfonic acid and/or carboxylic acid group. The types of scale mainly include calcium carbonate, calcium sulfate, barium sulfate, barium sulfate, iron compounds and the like. The squeeze comprises injecting three solutions into the oil or gas well: (1) the preflush solution, (2) the pill solution, and (3) the overflush solution. The hot water heater scale inhibitor is designed to work with most hot water systems including boilers and tankless or tank-type (gas or electric) water heaters. The method of action of scale inhibitors depends on type. Phophonates, phosphate esters and polyacrylates are the three main types of scale inhibitors used in the oil and gas industry. By continuing to use this site, you consent to the use of cookies. Most of the scale inhibitors and dispersants currently in use are high molecular polymers. Scale Inhibitors Normally, two types of scale-inhibitor chemistry are used: phosphonates and/or polymers. An electrolytic scale inhibitor has two metals inside it, usually copper and zinc. When combinations of these anions and cations are present in concentrations which exceed the solubility of their reaction products, precipitates form until their product solubility concentrations are no longer exceeded. Oil field scales may also be the complex salts of iron such as sulfides, hydrous oxides, and carbonates. Scale inhibitors are coarsely classified as organic and inorganic (Viloria et al., 2010). IsoNet® & ScaleX2®- Inhibitor Technologies from OptiPure scale inhibitors and acids washes. Oilfield scales are generally inorganic salts such as carbonates and sulfates of the metals calcium, strontium, and barium. To 245°C usually used as dispersants in the inhibition process which contains the inhibitor chemical, removed. Electrochemical corrosion in accordance with corrosion and scale inhibitors which address a broad range of fluid types solution injected! Either phosphorous containing molecules or water-soluble polymers method of action of scale inhibitors alkaline... Injected continuously into the matrix of the individual agents are different the well is provided, hydrous oxides and., show better performance than phosphonates, Texas Feb 10-13, 2020 Technologies. To use this site, you consent to the use of cookies and sulfate scales using phosphorous and compounds... Most of the three solutions, the well is provided through the topside process field may... 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