ENVOWater Treatment Chemicals
Oilfield setting, horizontal separation vessels, vertical tanks, pumps and pipework
Oil, Gas & Oily Wastewater

Oil & Gas Produced-Water Treatment

Demulsification & oil–water separation; Settling, thickening & dewatering; Cooling-water scale & corrosion control

Oilfield setting, horizontal separation vessels, vertical tanks, pumps and pipework, used as an industry or equipment reference. Process selection depends on water quality and project conditions.
Your process challenges

Chemistry matched to real operating conditions.

Distinguish oil separation, solids control and system protection for the specific produced-water or industrial-water circuit.

Treatment approach

Oil & Gas Produced-Water Treatment: understand the treatment stages first.

Coordinate produced-water oil–water separation and suspended-solids control with downstream use. A conceptual separator image does not demonstrate an oil-content specification or a complete reinjection process.

Check together during selection

Differentiate programs by oil phase, salinity, temperature and downstream use. Evaluate demulsification, separation, scale control and microbiological control separately.

Compare candidate products below by treatment objective. Evaluate different routes separately; the list does not imply simultaneous dosing.

Find products by treatment objective
Operating conditions and product routes

Oil & Gas Produced-Water Treatment: match requirements to each treatment stage.

Compare treatment objectives, chemical functions and verification criteria stage by stage. Products in the table may be alternatives or serve different stages; they are not necessarily dosed together.

Define influent and objectives first

Share produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use. This helps distinguish oil, particle, scaling and microbial-control tasks and narrow the product and specification range.

Then confirm assessment limits

Distinguish programs by oil phase, salinity, temperature and downstream use. Assess demulsification, separation, scale control and microbial control separately.

Compare all treatment routesProduct roles, conditions and verification
Oil & Gas Produced-Water Treatment: treatment objectives and product routes
Treatment objective / stageProduct routes to compareFunction / applicable conditionsChecks before selection
Demulsification & oil–water separationDemulsification & oil removalFilter by this objective

Identify free versus emulsified oil, surfactants and separation equipment. Compare demulsification and subsequent coagulation/separation using representative wastewater.

View each product's function and conditions
Industrial Wastewater Demulsifier
Function:Adjusts interfacial and separation properties in emulsified-oil or paint systems. It is distinct from a general inorganic coagulant.
Conditions:Define the oil phase, emulsifier or coating system, then verify demulsification/detackification and separation with representative water samples.
Oil-Removal Coagulant
Function:Adjusts interfacial and separation properties in emulsified-oil or paint systems. It is distinct from a general inorganic coagulant.
Conditions:Define the oil phase, emulsifier or coating system, then verify demulsification/detackification and separation with representative water samples.
Polyamine Coagulant
Function:Supports coagulation, flocculation and solid–liquid separation after demulsification or paint detackification.
Conditions:Run combined trials with the actual emulsified-oil/coating system, pH and flotation/settling equipment.
Poly(diallyldimethylammonium Chloride)
Function:Supports coagulation, flocculation and solid–liquid separation after demulsification or paint detackification.
Conditions:Run combined trials with the actual emulsified-oil/coating system, pH and flotation/settling equipment.
Polyaluminium Chloride
Function:Supports coagulation, flocculation and solid–liquid separation after demulsification or paint detackification.
Conditions:Run combined trials with the actual emulsified-oil/coating system, pH and flotation/settling equipment.
Polyacrylamide
Function:Supports coagulation, flocculation and solid–liquid separation after demulsification or paint detackification.
Conditions:Run combined trials with the actual emulsified-oil/coating system, pH and flotation/settling equipment.
View product-specific checks
Industrial Wastewater Demulsifier
Oil & Gas Produced-Water Treatment: Oil phase composition; Source of emulsification; Temperature & pH; Trial results; Separation equipment; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Oil-Removal Coagulant
Oil & Gas Produced-Water Treatment: Oil phase & emulsion state; pH conditions; Chemical composition; Downstream separation method; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyamine Coagulant
Oil & Gas Produced-Water Treatment: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Poly(diallyldimethylammonium Chloride)
Oil & Gas Produced-Water Treatment: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyaluminium Chloride
Oil & Gas Produced-Water Treatment: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyacrylamide
Oil & Gas Produced-Water Treatment: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.

Compare results using representative water samples or site data, retaining the test methods and operating conditions.

Settling, thickening & dewateringCoagulation & solid–liquid separationFilter by this objective

Review the medium source, solids content, particle characteristics, return water and equipment. Compare using representative sample trials.

View each product's function and conditions
Polyacrylamide
Function:Polymer bridging and charge effects help build separable flocs. Flocculation does not remove dissolved salts or all COD.
Conditions:Define particle and sludge properties, and match preparation, shear and settling/flotation/dewatering trials to the selected grade.
Polyacrylamide Emulsion
Function:Polymer bridging and charge effects help build separable flocs. Flocculation does not remove dissolved salts or all COD.
Conditions:Define particle and sludge properties, and match preparation, shear and settling/flotation/dewatering trials to the selected grade.
Polyamine Coagulant
Function:An organic coagulant option that destabilizes colloids before further flocculation and solid–liquid separation.
Conditions:Define the sample's charge demand, intended use and downstream process. A polymer name alone does not establish dosage or grade.
Poly(diallyldimethylammonium Chloride)
Function:An organic coagulant option that destabilizes colloids before further flocculation and solid–liquid separation.
Conditions:Define the sample's charge demand, intended use and downstream process. A polymer name alone does not establish dosage or grade.
Polyaluminium Chloride
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Polyferric Sulfate
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
View product-specific checks
Polyacrylamide
Oil & Gas Produced-Water Treatment: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyacrylamide Emulsion
Oil & Gas Produced-Water Treatment: Ionic type; Active polymer; Emulsion system; Preparation conditions; Residual monomer; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyamine Coagulant
Oil & Gas Produced-Water Treatment: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Poly(diallyldimethylammonium Chloride)
Oil & Gas Produced-Water Treatment: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyaluminium Chloride
Oil & Gas Produced-Water Treatment: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyferric Sulfate
Oil & Gas Produced-Water Treatment: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.

Compare results using representative water samples or site data, retaining the test methods and operating conditions.

Cooling-water scale & corrosion controlCorrosion & scale controlFilter by this objective

Distinguish a finished treatment formulation from formulation raw materials. Review makeup water, concentration cycles, metallurgy, temperature and discharge requirements.

View each product's function and conditions
Cooling-Water Scale & Corrosion Inhibitor
Function:Provides finished treatment formulations or coolants selected for the actual system, water quality and material protection needs.
Conditions:Define the equipment loop, metals and seals, temperature, current fluid and manufacturer compatibility requirements.
Hydroxyethylidene Diphosphonic Acid
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Aminotris(methylenephosphonic Acid)
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Diethylenetriamine Penta(methylenephosphonic Acid)
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
2-Phosphonobutane-1,2,4-tricarboxylic Acid
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Polyamino Polyether Methylene Phosphonate
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Hydroxyphosphonoacetic Acid
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Sodium Ethylenediamine Tetramethylene Phosphonate
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Polyacrylic Acid & Sodium Polyacrylate
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Hydrolyzed Polymaleic Anhydride
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Acrylic Acid / AMPS Copolymers
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Polyaspartic Acid & Salts
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Polyepoxysuccinic Acid & Salts
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Sodium Hexametaphosphate
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Sodium Silicate
Function:Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Azole Copper Corrosion Inhibitor
Function:A copper corrosion-inhibitor component protects specified metals only.
Conditions:Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
View product-specific checks
Cooling-Water Scale & Corrosion Inhibitor
Oil & Gas Produced-Water Treatment: Makeup water analysis; Cycles of concentration; System materials; Phosphorus & discharge requirements; Monitoring plan; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Hydroxyethylidene Diphosphonic Acid
Oil & Gas Produced-Water Treatment: Active acid content; Phosphorous/phosphoric acid and other impurities; Iron; Density test temperature; pH conditions; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Aminotris(methylenephosphonic Acid)
Oil & Gas Produced-Water Treatment: Active acid; Iron; Chloride; pH test conditions; Density & temperature; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Diethylenetriamine Penta(methylenephosphonic Acid)
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
2-Phosphonobutane-1,2,4-tricarboxylic Acid
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyamino Polyether Methylene Phosphonate
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Hydroxyphosphonoacetic Acid
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Sodium Ethylenediamine Tetramethylene Phosphonate
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyacrylic Acid & Sodium Polyacrylate
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Hydrolyzed Polymaleic Anhydride
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Acrylic Acid / AMPS Copolymers
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyaspartic Acid & Salts
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Polyepoxysuccinic Acid & Salts
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Sodium Hexametaphosphate
Oil & Gas Produced-Water Treatment: Total phosphorus (P₂O₅); Inactive phosphorus; Insoluble matter; pH conditions; Specific end-use requirements; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Sodium Silicate
Oil & Gas Produced-Water Treatment: Silicate modulus; Active components; Impurities; End use & deposition risk; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Azole Copper Corrosion Inhibitor
Oil & Gas Produced-Water Treatment: Actual chemical identity; Salt form; Copper & other materials; Formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.

Compare results using representative water samples or site data, retaining the test methods and operating conditions.

Industrial microbial, slime & biofilm controlDisinfection & microbiological controlFilter by this objective

Distinguish active substances by their actual registered use and material compatibility. Industrial chemicals cannot be used directly as drinking-water or liquid-cooling chemicals.

View each product's function and conditions
Benzalkonium Chloride
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Isothiazolinone Biocide
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Benzisothiazolinone
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Glutaraldehyde Biocide
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
2,2-Dibromo-3-nitrilopropionamide
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Tetrakis(hydroxymethyl)phosphonium Sulfate
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Bromine-Based Water-Treatment Biocide
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Sodium Hypochlorite
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Biodispersant & Slime-Control Treatment
Function:Helps manage industrial biofilm or slime and serves a different role from a biocide program.
Conditions:Define the actual composition, compatibility with the selected biocide, and material and discharge limits.
View product-specific checks
Benzalkonium Chloride
Oil & Gas Produced-Water Treatment: Active content; Alkyl composition; Solvent; Free amine; Foaming & formulation compatibility; End-use authorization; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Isothiazolinone Biocide
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Benzisothiazolinone
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Glutaraldehyde Biocide
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
2,2-Dibromo-3-nitrilopropionamide
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Tetrakis(hydroxymethyl)phosphonium Sulfate
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Bromine-Based Water-Treatment Biocide
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Sodium Hypochlorite
Oil & Gas Produced-Water Treatment: Available chlorine as mass fraction or g/L; Concentration at delivery; Free alkali; Impurities; Storage and transport time & conditions; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Biodispersant & Slime-Control Treatment
Oil & Gas Produced-Water Treatment: Composition; Biocide compatibility; Materials; Discharge & operating procedure; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.

Compare results using representative water samples or site data, retaining the test methods and operating conditions.

Need to compare these routes under your operating conditions?Share influent quality, treatment objectives and the existing process to discuss which products and conditions should be validated first.

Process & product matching

Select a treatment objective to explore suitable products.

Different treatment routes may apply. Open the matching notes for each product to review its role, conditions and purchasing criteria.

Distinguish programs by oil phase, salinity, temperature and downstream use. Assess demulsification, separation, scale control and microbial control separately.
Industrial Wastewater Demulsifier · Product form referenceSpecialty formulations
Demulsification & oil separation

Industrial Wastewater Demulsifier

A demulsifier formulation for emulsified oil systems, selected with oil–water separation, flotation or settling.

Why this matchesConditional option
Role
Adjusts interfacial and separation properties in emulsified-oil or paint systems. It is distinct from a general inorganic coagulant.
Conditions
Define the oil phase, emulsifier or coating system, then verify demulsification/detackification and separation with representative water samples.
Before purchase
Oil & Gas Produced-Water Treatment: Oil phase composition; Source of emulsification; Temperature & pH; Trial results; Separation equipment; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Oil-Removal Coagulant · Product form referenceSpecialty formulations
Demulsification & oil separation

Oil-Removal Coagulant

An oily wastewater coagulant used with flotation or settling for oil and particle separation.

Why this matchesConditional option
Role
Adjusts interfacial and separation properties in emulsified-oil or paint systems. It is distinct from a general inorganic coagulant.
Conditions
Define the oil phase, emulsifier or coating system, then verify demulsification/detackification and separation with representative water samples.
Before purchase
Oil & Gas Produced-Water Treatment: Oil phase & emulsion state; pH conditions; Chemical composition; Downstream separation method; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Polyamine Coagulant · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyamine Coagulant

An organic coagulant option for colloid destabilization, clarification and separation in certain oily water systems.

Why this matchesConditional option
Role
Supports coagulation, flocculation and solid–liquid separation after demulsification or paint detackification.
Conditions
Run combined trials with the actual emulsified-oil/coating system, pH and flotation/settling equipment.
Before purchase
Oil & Gas Produced-Water Treatment: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Poly(diallyldimethylammonium Chloride) · Product form referenceSpecialty formulations
Coagulation & flocculation

Poly(diallyldimethylammonium Chloride)

An organic coagulating polymer for raw water, industrial water and suitable solid–liquid separation procedures.

Why this matchesConditional option
Role
Supports coagulation, flocculation and solid–liquid separation after demulsification or paint detackification.
Conditions
Run combined trials with the actual emulsified-oil/coating system, pH and flotation/settling equipment.
Before purchase
Oil & Gas Produced-Water Treatment: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Polyaluminium Chloride · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyaluminium Chloride

For raw water and wastewater coagulation, compare active components, basicity and water-sample trials against clarification and phosphorus-removal requirements.

Why this matchesConditional option
Role
Supports coagulation, flocculation and solid–liquid separation after demulsification or paint detackification.
Conditions
Run combined trials with the actual emulsified-oil/coating system, pH and flotation/settling equipment.
Before purchase
Oil & Gas Produced-Water Treatment: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Polyacrylamide · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyacrylamide

Select a suitable PAM for clarification, settling, thickening and sludge dewatering, matching flocculation behavior to the water, particles and equipment.

Why this matchesConditional option
Role
Supports coagulation, flocculation and solid–liquid separation after demulsification or paint detackification.
Conditions
Run combined trials with the actual emulsified-oil/coating system, pH and flotation/settling equipment.
Before purchase
Oil & Gas Produced-Water Treatment: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Polyacrylamide Emulsion · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyacrylamide Emulsion

An emulsion flocculating polymer for solid–liquid separation in clarification, thickening and dewatering.

Why this matchesConditional option
Role
Polymer bridging and charge effects help build separable flocs. Flocculation does not remove dissolved salts or all COD.
Conditions
Define particle and sludge properties, and match preparation, shear and settling/flotation/dewatering trials to the selected grade.
Before purchase
Oil & Gas Produced-Water Treatment: Ionic type; Active polymer; Emulsion system; Preparation conditions; Residual monomer; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Polyferric Sulfate · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyferric Sulfate

A polymeric iron coagulant option for clarification, phosphorus removal and sludge treatment support.

Why this matchesConditional option
Role
Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions
Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Before purchase
Oil & Gas Produced-Water Treatment: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Cooling-Water Scale & Corrosion Inhibitor · Product form referenceSpecialty formulations
Scale, corrosion & dispersion

Cooling-Water Scale & Corrosion Inhibitor

A finished scale and corrosion inhibitor formulation for open recirculating cooling water, selected against makeup water, system materials and operating conditions.

Why this matchesConditional option
Role
Provides finished treatment formulations or coolants selected for the actual system, water quality and material protection needs.
Conditions
Define the equipment loop, metals and seals, temperature, current fluid and manufacturer compatibility requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Makeup water analysis; Cycles of concentration; System materials; Phosphorus & discharge requirements; Monitoring plan; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Hydroxyethylidene Diphosphonic Acid · Product form referenceBase chemicals
Scale, corrosion & chelation

Hydroxyethylidene Diphosphonic Acid

An organophosphonate water treatment raw material for suitable scale-control, metal-ion-control and blended formulation systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Active acid content; Phosphorous/phosphoric acid and other impurities; Iron; Density test temperature; pH conditions; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Aminotris(methylenephosphonic Acid) · Product form referenceBase chemicals
Scale, corrosion & chelation

Aminotris(methylenephosphonic Acid)

An organophosphonate formulation raw material for scale control and metal-ion management in defined industrial water systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Active acid; Iron; Chloride; pH test conditions; Density & temperature; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Diethylenetriamine Penta(methylenephosphonic Acid) · Product form referenceBase chemicals
Scale, corrosion & dispersion

Diethylenetriamine Penta(methylenephosphonic Acid)

DTPMPA organophosphonate formulation raw material for scale control, dispersion or metal-ion management in defined industrial water systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
2-Phosphonobutane-1,2,4-tricarboxylic Acid · Product form referenceBase chemicals
Scale, corrosion & dispersion

2-Phosphonobutane-1,2,4-tricarboxylic Acid

PBTC organophosphonate formulation raw material for scale control, dispersion or metal-ion management in defined industrial water systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Polyamino Polyether Methylene Phosphonate · Product form referenceBase chemicals
Scale, corrosion & dispersion

Polyamino Polyether Methylene Phosphonate

PAPEMP organophosphonate formulation raw material for scale control, dispersion or metal-ion management in defined industrial water systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Hydroxyphosphonoacetic Acid · Product form referenceBase chemicals
Scale, corrosion & dispersion

Hydroxyphosphonoacetic Acid

HPAA organophosphonate formulation raw material for scale control, dispersion or metal-ion management in defined industrial water systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Sodium Ethylenediamine Tetramethylene Phosphonate · Product form referenceBase chemicals
Scale, corrosion & dispersion

Sodium Ethylenediamine Tetramethylene Phosphonate

EDTMPS organophosphonate formulation raw material for scale control, dispersion or metal-ion management in defined industrial water systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Active components; Salt form & acid basis; Water chemistry compatibility; Impurities; Actual formulation; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Polyacrylic Acid & Sodium Polyacrylate · Product form referenceBase chemicals
Scale, corrosion & dispersion

Polyacrylic Acid & Sodium Polyacrylate

PAA/PAAS polymer raw material for suitable scale-control, dispersion and blended water treatment systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Hydrolyzed Polymaleic Anhydride · Product form referenceBase chemicals
Scale, corrosion & dispersion

Hydrolyzed Polymaleic Anhydride

HPMA polymer raw material for suitable scale-control, dispersion and blended water treatment systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Acrylic Acid / AMPS Copolymers · Product form referenceBase chemicals
Scale, corrosion & dispersion

Acrylic Acid / AMPS Copolymers

AA/AMPS polymer raw material for suitable scale-control, dispersion and blended water treatment systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Polyaspartic Acid & Salts · Product form referenceBase chemicals
Scale, corrosion & dispersion

Polyaspartic Acid & Salts

PASP polymer raw material for suitable scale-control, dispersion and blended water treatment systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Polyepoxysuccinic Acid & Salts · Product form referenceBase chemicals
Scale, corrosion & dispersion

Polyepoxysuccinic Acid & Salts

PESA polymer raw material for suitable scale-control, dispersion and blended water treatment systems.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Composition & salt form; Solids content; Molecular weight method; Water & formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Sodium Hexametaphosphate · Product form referenceBase chemicals
Scale, corrosion & chelation

Sodium Hexametaphosphate

A polyphosphate raw material for suitable water treatment and industrial formulations, supporting metal-ion management and dispersion.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Total phosphorus (P₂O₅); Inactive phosphorus; Insoluble matter; pH conditions; Specific end-use requirements; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Sodium Silicate · Product form referenceBase chemicals
Scale, corrosion & dispersion

Sodium Silicate

A silicate corrosion-inhibitor and formulation component for specified water chemistry and pipe materials.

Why this matchesConditional option
Role
Provides scale-control, dispersant or corrosion-inhibitor components. A single raw material does not replace a complete water treatment program.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Silicate modulus; Active components; Impurities; End use & deposition risk; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Azole Copper Corrosion Inhibitor · Product form referenceSpecialty formulations
Scale, corrosion & dispersion

Azole Copper Corrosion Inhibitor

A corrosion-inhibitor component for copper and copper-alloy systems, used within a complete industrial water treatment formulation.

Why this matchesConditional option
Role
A copper corrosion-inhibitor component protects specified metals only.
Conditions
Confirm raw material purchasing or full formulation design, then compare scale-forming ions, temperature, materials, concentration cycles and discharge requirements.
Before purchase
Oil & Gas Produced-Water Treatment: Actual chemical identity; Salt form; Copper & other materials; Formulation compatibility; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Benzalkonium Chloride · Product form referenceSpecialty formulations
Disinfection & oxidation

Benzalkonium Chloride

A quaternary ammonium active substance option for suitable industrial microbial control and formulation purchasing.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Oil & Gas Produced-Water Treatment: Active content; Alkyl composition; Solvent; Free amine; Foaming & formulation compatibility; End-use authorization; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Isothiazolinone Biocide · Product form referenceSpecialty formulations
Disinfection & microbiological control

Isothiazolinone Biocide

A CMIT/MIT active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Benzisothiazolinone · Product form referenceBase chemicals
Disinfection & microbiological control

Benzisothiazolinone

A BIT active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Glutaraldehyde Biocide · Product form referenceSpecialty formulations
Disinfection & microbiological control

Glutaraldehyde Biocide

A glutaraldehyde active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
2,2-Dibromo-3-nitrilopropionamide · Product form referenceSpecialty formulations
Disinfection & microbiological control

2,2-Dibromo-3-nitrilopropionamide

A DBNPA active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Tetrakis(hydroxymethyl)phosphonium Sulfate · Product form referenceSpecialty formulations
Disinfection & microbiological control

Tetrakis(hydroxymethyl)phosphonium Sulfate

A THPS active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Bromine-Based Water-Treatment Biocide · Product form referenceSpecialty formulations
Disinfection & microbiological control

Bromine-Based Water-Treatment Biocide

A bromine-based active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Oil & Gas Produced-Water Treatment: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Sodium Hypochlorite · Product form referenceBase chemicals
Disinfection & oxidation

Sodium Hypochlorite

A chlorine source for suitable disinfection steps in water supply, wastewater and industrial water, compatible with liquid dosing arrangements.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Oil & Gas Produced-Water Treatment: Available chlorine as mass fraction or g/L; Concentration at delivery; Free alkali; Impurities; Storage and transport time & conditions; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Biodispersant & Slime-Control Treatment · Product form referenceSpecialty formulations
Disinfection & microbiological control

Biodispersant & Slime-Control Treatment

A supporting chemical for industrial cooling-water biofilm and slime management, selected alongside the relevant biocide procedure.

Why this matchesConditional option
Role
Helps manage industrial biofilm or slime and serves a different role from a biocide program.
Conditions
Define the actual composition, compatibility with the selected biocide, and material and discharge limits.
Before purchase
Oil & Gas Produced-Water Treatment: Composition; Biocide compatibility; Materials; Discharge & operating procedure; Consider produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use.
Confirmed available
Technical references & scope

Industry references describe general uses. Product specifications, certifications and application results require the corresponding supplier documentation.

PURCHASING QUESTIONS

More questions, answered.

How should I select water-treatment products for Oil & Gas Produced-Water Treatment?

High salinity, oil phase, scaling and microbial control involve different duties. The label “oilfield water” does not define one universal chemical.

What information helps select products for this application?

Share produced-water salinity, oil phase, scale-forming ions, temperature, materials and downstream use. This helps distinguish oil, particle, scaling and microbial-control tasks and narrow the product and specification range.

How are the suitable product and grade confirmed?

Distinguish programs by oil phase, salinity, temperature and downstream use. Assess demulsification, separation, scale control and microbial control separately. No universal dose or treatment result is implied. Product options may serve primary, supporting, conditional or alternative roles.

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