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High Efficiency Gathering & Transportation Corrosion Inhibitor HYS-06

Scope of Application

It applies to the pipeline corrosion protection in the drilling, mining and gathering & transportation in acid oil and gas field.

Principles

HYS-06 corrosion inhibitor is a type of high-efficiency corrosion inhibitor developed by our company specialized in the corrosion control of oil casing, oil and gas gathering and transportation pipeline and sewage treatment system for H2S and CO2 bearing oil and gas field. The corrosion inhibitor is featured by polar group and non-polar group: the former is attached to the metal surface, while the long-chain non-polar group forms directional alignment towards the solution from the metal surface. On the one hand, the corrosion inhibitor changes the state of charge on the metal surface, increasing the activation energy of corrosion reaction, obstructing the corrosion process; on the other hand, the non-polar groups are densely lined on the metal surface, forming a hydrophobic membrane, blocking the charge or material transport related to the corrosion, and realizing the purpose of inhibiting corrosion.

Technical Indicators

Item	Technical Indicator
Appearance	Uniform brown liquid
Density (25°C) ，g/cm3	0.90～1.20
pH value	5.0～9.0
open cup flash point，°C ≥	50.0

Physical and Chemical Performance Indicators

SN	Corrosion rate (mm/a)	Average corrosion rate (mm/a)	Blank corrosion rate (mm/a)	Inhibition efficiency (%)
1	0.0542	0.0506	0.5713	91.14
2	0.0473
3	0.0502

Application Performance Indicators

Performance Features

The product has good thermal stability and chemical stability, and is non-toxic, damage-free to oil layer, soluble in water at any ratio, easy for use. The product belongs to the absorption film type corrosion inhibitor, which is denser than the absorption film formed by corrosion inhibitors of the same type, thus can better inhibit the corrosive reaction.

Field Applications

HYS-06 corrosion inhibitor has been applied in the oil and gas wells, gathering and transport pipeline network and sewage treatment system of the CO2/H2S bearing oil and gas field in Southwest and Northwest China, with outstanding field application performance. Field supervision shows it can keep the corrosion rate within 0.076mm/a, in compliance with the oil and natural gas industrial standard, and can obtain the corrosion inhibition efficiency over 90%.