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Coil Tubing Corrosion Inhibitor CTI
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Product Code: RXSOL-44-2065-200

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Corrosion Inhibitor-44

Product Description

A highly effective, film-forming corrosion control agent specifically designed for oil and gas production and transmission systems operating under sour gas (H₂S) and acid gas (CO₂) conditions. This Coil Tubing Corrosion Inhibitor has exceptional film persistency and ability to adhere to metal surfaces even under high turbulence and wet gas conditions.

Protects carbon steel coil tubing against CO2/H2S attack. It disperses easily in brines, forms a persistent barrier, and extends tubing life during acidizing and workover operations.

Proprietory blends improve solvent penetration and spreading across pipeline surfaces, enhancing the delivery of the active corrosion-inhibiting molecules. It assists in reducing surface tension, allowing better wettability and contact with metal substrates, especially in two-phase flow lines (liquid + gas). It is carefully formulated to ensure complete compatibility with hydrocarbon fluids, high solubility, and fast film formation on carbon steel surfaces.

The active components in this product form a mono-molecular film that adsorbs onto metal surfaces, acting as a barrier to prevent corrosive agents (such as CO₂, H₂S, and water) from coming into contact with the metal. This product is designed for continuous or batch injection through injection quills, downhole tubing, or pipeline drips. It has been field-tested under various pressure and flow regimes and has demonstrated consistent corrosion rate reductions in both onshore and offshore applications.

Product Short Description

Protects carbon steel tubing against CO2/H2S attack. It disperses easily in brines, forms a persistent barrier, and extends tubing life during acidizing and workover operations.

Product Application

Hydrogen sulfide (H2S) naturally occurs and may already by present information can be the result of sulphate reducing bacteria (SRB) in your process systems. Ones established, it can potentially be carried in hydrocarbon streams, resulting in servere gatharing lines, creating high failure rates in your production.

Through strategic H2S scavenger applications and speciality chemicals, RX Marine International chemicals experts can help reduce H2S levels and lower overall solids in your system, reducing any gas or fluid souring while controlling corrosion.

If you encounter hydrogen sulfide in your system, RX Marine International can perform a fluid compatibility test to determine H2S levels and customize a chemical solution to fit your production needs.

Oil & Gas Production Systems

  • Protection of production tubing and casing in CO₂/H₂S-rich wells
  • Downhole batch treatment for sour wells to prevent tubing corrosion
  • Injection in annular spaces or tubing/casing strings for corrosion protection

Pipeline and Gathering Systems

  • Internal protection of transmission pipelines carrying crude oil, wet gas, or multiphase flow
  • Used in gas gathering systems where H₂S is present in high ppm concentrations
  • Pigging-compatible; product can be applied before or after mechanical cleaning
  • Effective in top-of-the-line corrosion (TLC) scenarios in wet gas pipelines

Water Injection and Disposal Wells

  • Corrosion protection for produced water reinjection lines
  • Compatible with sulfate-reducing bacteria (SRB) treatment programs
  • Prevents localized corrosion and pitting due to oxygen or microbial influence

Storage Tanks & Facilities

  • Inhibits corrosion in hydrocarbon storage systems, especially those exposed to H₂S-laden vapors
  • Suitable for slug dosing during shutdown or mothballing of equipment

Offshore Platforms

  • Used in offshore flowlines, risers, and topsides process equipment where H₂S and CO₂ are common
  • Resistant to washout in high flowrate and high-pressure environments
  • Compatible with high TDS (Total Dissolved Solids) process waters

Product Dose

Application Method:
Inhibitors can be injected directly into the coiled tubing string using corrosion inhibitor injection subs, added to <>post-flush pills, or mixed with operational fluids. 

Product Note

Benefits:

  • Improved safety due to reduced H2S content
  • Meet contract sales limit for H2S content
  • Removal of hydrogen sulfide gas from process systems, therefore reducing corrosion
  • The reaction products can be easily removed from the process systems
  • Maintains asset integrity and reduces the need for new equipment
Feature Benefit
Dual Corrosion Protection Effective against both CO₂ and H₂S corrosion in pipelines
Strong Film Formation Forms a durable hydrophobic layer on metal surfaces
Non-Emulsifying Nature Maintains separation efficiency in oil-water systems
Solvent-Based & Flow-Friendly Easily disperses in hydrocarbons and performs well in high-flow environments

Remarks

Compatibility:
  • Designed for use in a wide range of completion and workover brines (NaCl, KCl, CaCl₂, CaBr₂).
  • Compatible with most scale inhibitors, oxygen scavengers, and non-ionic surfactants.
  • Avoid high concentrations of strong anionic surfactants, which can displace the protective film.
Film Formation:
  • Works by chemisorption of amine/imidazoline groups onto the steel surface, producing a hydrophobic barrier.
  • A pre-film treatment ensures maximum performance during subsequent corrosive fluid exposure.
Gas Service:
  • Provides effective protection in CO₂ and H₂S environments commonly encountered during well interventions.
  • Performance should be validated by wheel test or coupon test under site-specific fluids and temperature.
Acidizing Operations:
  • Should be used in combination with an acid corrosion inhibitor when coiled tubing is exposed to strong acids.
  • Pre-filming with this inhibitor helps minimize attack during initial acid contact.
Temperature & Pressure:
  • Stable and effective up to ~120 °C under typical downhole pressures.
  • For higher temperature acid jobs, intensifiers (e.g., iodides) may be required.
Safety & Handling:
  • Contains organic amines—handle with appropriate PPE (gloves, goggles, protective clothing).
  • Store in closed containers between 5–40 °C, away from acids and oxidizing agents.
  • Shelf life: 18–24 months under proper storage conditions.
Environmental Considerations:
  • Nonylphenol-free formulation; uses biodegradable surfactants where possible.
  • Always comply with local discharge and environmental regulations before field use.

Other Equivalent Brand

Coil Tubing Corrosion Inhibitor

Product Tag Identification

TYPICAL PROPERTIES
Appearance   Clear, colorless liquid
Autoignition Temperature   190°C
Boiling Point    100% solution149°C
Density    42% solution; at 25°C1.02 g/cm3
Flash Point    Closed Cup88°C
Freezing Point  42% solution <-50°C
Freezing Point100% solution <-27°C

Octanol-water partition coefficient, log Pow   0.76
Vapor Pressure    @ 20°C2.79-3.4 hPa
Viscosity  @ 20°C 13 mPa·s
Viscosity @ 40°C  5.1 mPa·s

Water solubility : Soluble

Product Useful Area

How Coiled Tubing Corrosion Inhibitors Work?
Film Formation:
Many inhibitors, such as amine-based ones, work by forming a thin, persistent film on the metal surface, preventing corrosive agents from directly contacting the tubing. 
Chemical Scavenging:
Inhibitors can reduce the concentration of corrosive substances, like dissolved oxygen and oxidizing agents, in the wellbore fluids. 
Surface Adsorption:
The molecules of the inhibitor adsorb onto the metal's internal surface, creating a barrier that slows down the corrosion process. 

Free Delivery / Supply Locations

Oman, Bahrain, Abu Dhabi, Ajman, Al Ain, Dubai, Ras Al-Khaimah, Fujairah, Sharjah, Umm Al Quwain, Ruwais, Khalifa Port, Jebel Ali, DP WORLD, and all UAE ports...