In
the oil and gas well produced fluid CO2 and H2S、CI - corrosive medium,
such as content is higher, causing serious corrosion of casing, tubing.This
product is imidazoline quaternary ammonium salt derivatives, double
imidazoline, aldehyde, ketone condensation product of amine and other
components of the corrosion and other auxiliary components distribution of
liquid in the composition of the corrosion inhibitor. This product has the
advantages of high corrosion inhibition rate, low freezing point, good
dispersion, good thermal stability, low toxicity and so on. This corrosion
inhibitor can quickly form a tight and firm protective film on the metal surface,
and has a strong corrosion inhibition performance against a variety of
corrosion factors.
This
product has good compatibility with other downhole agents.
Technical indicators
Items
Index
appearance
Yellow to
reddish brown liquid
density（20℃，g/cm3）
≥0.90
pH
8.5-9.5
inhibition rate （％）
≥90
corrosion rate（g / (m2·h)）
≤0.076
Methods used
Ⅰ、 When
the product is first used, the film should be prefabricated. Continuous and
intermittent injection can be used. For sulfur-bearing production gas Wells
(without separators), it is suggested to refill by casing annulus and return
through tubing to form a certain circulation system. It is suggested to add oil
and casing respectively to the normally closed gas well.For oil and gas
collection and transportation pipelines can be directly injected.
Ⅱ、Calculation method of prefilm dosage:
1. Pre-film area: the sum of the internal and external area of gas well tubing, the surface area
of casing and the surface area of the pipeline to be protected;
2. Thickness of prefilm:
75 microns.
3. Gas
well recommended periodic intermittent filling, recommended dosing period of 30
days, added amount 80 ㎏ each time.
Continuous dosing is recommended for oil Wells. Recommended dosage:
calculated according to the output fluid, the recommended concentration is
200ppm.
Packing, Transportation 、Storage
Packing:
200L plastic drum, net weight 200kg.
ransportation: avoid sunburn and rain. Avoid mixed transportation with corrosive and sharp
articles.
Storage:
store in dry and ventilated warehouse, avoid mixing with corrosive materials,
with a shelf life of 1 year.
Safety & amp; protection
Skin to eye
contact: rinse immediately with plenty of water.
Ingestion:
drink enough warm water, induce vomiting, seek medical advice.
Peration
protection: wear PVC, PE or rubber gloves.
