OLKLIN®-GCI
GAS LINE Corrosion Inhibitor
Description:
Oil wells and gas wells are typically subjected to numerous chemical treatments during their production life to enhance operation and protect asset integrity. Corrosion of metal surfaces due to aqueous or mixed media has long been a problem in the oil and gas industry.
Therefore, it is common practice to employ corrosion inhibitors during the production, transportation, storage, and separation of crude oil and natural gas. Corrosion inhibitors are usually surface-active compounds that form protective films on the surface of the metal which comes in contact with corrosive environments thereby suppressing corrosion.
Chemical Composition:
It is composition of organic specified amines with dispersant.
Specification:
| Property | OLKLIN-GCI |
|---|---|
| Color | Light yellow to Dark brown viscous liquid |
| Specific gravity | 1.00-1.05 |
| Solubility | Soluble in water, sea water, & formation water in test proportion |
Physical State:
The material, will be free flowing, homogenous liquid free from visible impurities and suspended solids.
Compatibility & Emulsification Test:
The material will be compatible with crude oil mix (140 ml. of crude oil with 60 ml of AR grade Xylene and brine corrodent, shall not form an emulsion at 24 ± 2°C interface sludge pad thickness will not be more than 5% after five hours.
Stability Test:
The material shall be heated in a well-sealed glass stopper measuring cylinder at 80 ± 2°C, for 2 hrs.in laboratory oven. Neither precipitation nor heterogeneous layers shall be observed, on cooling at ambient temperature and mixing after one hour.
Test Conditions:
Corroding Media:
- It consists of 3.2 % Sodium Chloride (LR) solution in distilled water having dissolved Carbon Dioxide content in the range of 1250 +/- 50 ppm at 24°C.
- Take 140 ml. untreated crude oil, and 60 ml. of Xylene (AR) to crude oil.
- The ratio of (a) and (b) shall be 90:10 and total volume shall be 150 ml.
Metal Coupons:
The coupons shall be of API 5L – Grade B steel with approx. size of 30x25x3-4mm of thickness (total surface area of all sides taken together shall be around 18 +/- 2 cm2). The surface finish shall be to 300 emery grit free pits & scratches.
Test Temperature:
50 ± 2°C.
Corrosion Inhibitor Dose:
35 ppm (W/V).
Exposure Period:
168 hrs. for static test / 24 hrs. for dynamic test.
Test results:
80 % (min) for static and dynamic test with coupons free from pits, scratches on visual inspection.
Handling & Precautions:
Safe to handle. Do not take internally.