oilfield chemicals

Naphthalene Sulfonate Cement Dispersant / Superplasticizer

Naphthalene sulfonate formaldehyde condensate (NSFC) is an anionic dispersant used in oil well cement slurries to reduce slurry viscosity, improve pumpability, and lower water-cement ratio for improved compressive strength development. At dosages of 0.1–1.0% BWOC, it can reduce slurry yield point by 50–80% and improve cement placement efficiency in narrow annular clearances. It is compatible with most API cement classes and oilfield cementing additives.

oilfield chemicals

Oilfield Demulsifier SP-169

Demulsifier SP-169 is a classic alkylphenol ethoxylate-based oilfield demulsifier with proven track record in crude oil dehydration worldwide. It effectively breaks water-in-oil emulsions in a wide range of crude types at dosages of 10–100 ppm, delivering residual water below 0.3% and residual oil-in-water below 50 ppm. SP-169 is frequently used as a reference compound and blend component in demulsifier formulation.

oilfield chemicals

Paraffin Inhibitor / Wax Crystal Modifier Polymer

Paraffin inhibitor polymer is a copolymer designed to prevent wax deposition and paraffin plugging in production tubing, flowlines, and crude oil pipelines. It co-crystallizes with paraffin wax at the nucleation stage, modifying crystal growth to yield smaller, non-adherent wax crystals that remain dispersed in the oil stream. Effective at dosages of 50–500 ppm, reducing wax deposition thickness and pigging frequency significantly.

oilfield chemicals

Pipeline Internal Corrosion Inhibitor

Pipeline internal corrosion inhibitor is a specially formulated blend of imidazoline, quaternary ammonium compounds, and film-forming amines designed for continuous or batch injection into crude oil and gas transmission pipelines. It provides comprehensive protection against CO₂, H₂S, organic acid, and chloride-induced corrosion, achieving corrosion rates below 0.1 mm/year. Suitable for both water-wet and oil-wet pipeline sections under multiphase flow conditions.

oilfield chemicals

Polyalphaolefin Drag Reducer / Flow Improver

Polyalphaolefin (PAO) drag reducer is a high-molecular-weight viscoelastic polymer that significantly reduces turbulent friction losses in crude oil and refined product pipelines, increasing throughput by 10–60% or reducing pump energy consumption. It is supplied as a slurry dispersion for easy injection into pipelines and is effective at concentrations of 2–20 ppm. Compatible with most crude oil types and refined petroleum products.

oilfield chemicals

Polyanionic Cellulose Regular (PAC-R) for Drilling Fluids

CAS: 9004-32-4

PAC-R (Polyanionic Cellulose, Regular grade) is a cellulose-derived fluid loss control agent and viscosifier used in water-based drilling fluids. It effectively reduces filtration loss and builds moderate viscosity in both freshwater and salt-saturated (NaCl, KCl, CaCl₂) mud systems. PAC-R forms a thin, low-permeability filter cake on the borehole wall to prevent formation fluid influx and protect productive formations.

oilfield chemicals

Polyaspartic Acid (PASP) Scale Inhibitor

CAS: 35608-01-6

Polyaspartic Acid (PASP) is a biodegradable, environmentally friendly scale inhibitor and dispersant for oilfield water systems, cooling water, and produced water injection. It provides effective threshold inhibition of calcium carbonate, calcium sulfate, and calcium phosphate scales. PASP is particularly valued in environmentally sensitive offshore and onshore operations where biodegradable chemistry is mandated.

oilfield chemicals

Polyether Demulsifier for Crude Oil

Polyether demulsifier is an EO/PO block copolymer-based chemical used for efficient oil-water separation in crude oil production and processing. It destabilizes water-in-oil and oil-in-water emulsions by displacing natural emulsifiers from the oil-water interface, achieving residual water content below 0.5% at low dosage (10–50 ppm). Suitable for both offshore and onshore production facilities and compatible with a wide range of crude oil types.

oilfield chemicals

Potassium Chloride (KCl) Clay Stabilizer

CAS: 7447-40-7

Potassium chloride is the most widely used inorganic clay stabilizer in drilling fluids, completion fluids, and well stimulation treatments. The K⁺ ion preferentially replaces Na⁺ in the interlayer of swelling clays (smectite, montmorillonite), suppressing clay hydration and preventing fines migration that could damage formation permeability. KCl is used at 2–5 wt% in completion brines and at 3–8 wt% as a clay stabilizer in hydraulic fracturing treatments.

oilfield chemicals

Potassium Silicate Shale Inhibitor for Drilling Fluids

Potassium silicate shale inhibitor is an inorganic polymer used in water-based drilling fluids to suppress clay swelling, shale hydration, and wellbore instability in reactive shale formations. The silicate anion plugs microporosity in shale, while the potassium cation provides additional ion exchange inhibition of clay minerals. It provides exceptional borehole stability in highly reactive clay-rich formations, reducing washouts and pack-offs.

oilfield chemicals

Pour Point Depressant (PPD) for Crude Oil

Pour point depressant (PPD) is a polymeric additive that reduces the pour point of waxy crude oils by modifying wax crystal morphology, preventing large crystal aggregation and maintaining flowability at low temperatures. Effective dosages range from 100–1000 ppm, typically reducing the pour point by 15–30°C. PPD enables safe transportation of high-wax crude oils through pipelines in cold climates without heating or blending.

oilfield chemicals

Quaternary Ammonium Oilfield Corrosion Inhibitor

Quaternary ammonium-based corrosion inhibitor provides effective protection of carbon steel equipment and pipelines in oilfield water injection, production, and transportation systems. It functions through adsorption onto metal surfaces, forming a hydrophobic barrier against corrosive species including chloride ions, dissolved oxygen, CO₂, and H₂S. The product combines corrosion inhibition with bacteriostatic activity.

oilfield chemicals

Resin Amine Demulsifier

Resin amine demulsifier is synthesized from polycondensed phenolic resin alkoxylated with ethylene oxide and propylene oxide, producing a highly surface-active molecule with superior interfacial activity. It is especially effective for treating tight, aged, or thermally stable crude oil emulsions that are resistant to conventional polyether demulsifiers. The product demonstrates excellent performance at elevated temperatures (60–100°C) encountered in thermal recovery and heavy oil processing.

oilfield chemicals

Scleroglucan EOR Biopolymer

CAS: 39464-87-4

Scleroglucan is a triple-helix natural polysaccharide biopolymer produced by fermentation of Sclerotium rolfsii, used as a mobility control agent in enhanced oil recovery polymer flooding. Unlike HPAM, scleroglucan is highly resistant to high-temperature (up to 120°C), high-salinity (up to 200 g/L TDS), and divalent cation (Ca²⁺, Mg²⁺) conditions that degrade synthetic polymers. It is particularly valued for EOR in hot, high-salinity reservoirs where HPAM performance is insufficient.

oilfield chemicals

Silicone Antifoam / Defoamer for Oilfield Production

Silicone-based oilfield defoamer is a polydimethylsiloxane (PDMS) emulsion or compound formulation used to control foam in crude oil separation, produced water treatment, gas scrubbing, and drilling fluid systems. It is effective at extremely low dosages (1–50 ppm) and rapidly collapses both surface foam and entrained gas bubbles. The product is compatible with amine gas treating units, crude oil separators, produced water systems, and drilling mud systems.

oilfield chemicals

Sodium Molybdate Corrosion Inhibitor Synergist

CAS: 7631-95-0

Sodium molybdate dihydrate is an anodic corrosion inhibitor and synergist used in cooling water systems, oilfield water injection, and heat transfer fluid formulations. The molybdate anion forms a stable passivation layer on ferrous metal surfaces by oxidizing the surface to form Fe₂O₃·MoO₃, significantly reducing anodic corrosion rates. It is frequently used in combination with azoles, phosphates, and zinc salts, achieving synergistic corrosion protection at total dosages of 50–200 ppm.

oilfield chemicals

THPS Biocide (Tetrakis(hydroxymethyl)phosphonium Sulfate)

CAS: 55566-30-8

THPS (Tetrakis(hydroxymethyl)phosphonium Sulfate) is a broad-spectrum, environmentally acceptable biocide used for microbiological control in oilfield water injection systems, drilling fluids, and produced water. It is highly effective against sulfate-reducing bacteria (SRB), acid-producing bacteria (APB), and general heterotrophic bacteria at low dosages (50–500 ppm). THPS is also used as an iron sulfide (FeS) dissolver to remove scale deposits in oilfield systems.

oilfield chemicals

Thiourea Acid Corrosion Inhibitor

CAS: 62-56-6

Thiourea is an effective corrosion inhibitor used in acidizing operations and acid cleaning of oilfield equipment, protecting steel tubulars from attack by hydrochloric and hydrofluoric acid systems. It adsorbs onto metal surfaces through its sulfur and nitrogen atoms, suppressing both anodic and cathodic corrosion reactions. Thiourea is typically used in combination with other inhibitors and intensifiers for synergistic protection.

oilfield chemicals

Treated Bentonite for Drilling Fluids

CAS: 1302-78-9

Treated bentonite is a sodium montmorillonite clay mineral that serves as the primary viscosifier and filtration control agent in water-based drilling fluid systems. API-grade treated bentonite hydrates readily in freshwater to build yield point and gel strength for cuttings suspension, with a yield of ≥91 bbl/ton. It forms a flexible, low-permeability filter cake on the borehole wall during drilling operations.

oilfield chemicals

Xanthan Gum XCD Polymer for Drilling Fluids

CAS: 11138-66-2

XCD (Xanthan Gum) polymer is a fermentation-derived polysaccharide biopolymer used as a viscosifier and suspension agent in water-based drilling fluids. It provides excellent low-shear-rate viscosity and yield point for efficient drill cuttings suspension and transport, while maintaining low circulating viscosity for good pump efficiency. XCD polymer is salt-tolerant and effective in both fresh water and saturated brine mud systems.

oilfield chemicals

Zinc Phosphate Anticorrosion Pigment

CAS: 7779-90-0

Zinc phosphate is a non-toxic, lead-free anticorrosion pigment used in protective coatings for oilfield equipment, pipelines, offshore structures, and industrial steel. It functions through multiple mechanisms: barrier effect, cathodic protection from zinc ion release, and phosphate passivation layer formation on metal surfaces. At 10–30% pigment loading in epoxy, alkyd, and polyurethane primers, it provides 1500–3000 hours salt spray resistance.