First, the use of products
With acid stimulation treatments, in the encounter with higher iron formations and rust, the more serious of the pipeline, acid tend to produce relatively large amounts of Fe3 + and Fe2 + and Fe3 + in the residual acid pH value greater than about 2.5, namely to colloidal Fe (OH) 3 precipitation, in the pH value reached 3.2 and dissolved Fe3 + basic precipitation. Colloidal precipitation of Fe (OH) 3 precipitate will plug the oil and gas permeable channels and produce new formation damage, resulting in decreased yield. Therefore, adding iron stabilizer in acid solution, can effectively prevent the formation damage caused by iron hydroxide precipitation. My company production of FW-20 ferric ion stabilizer, for control of acidizing and fracturing process of iron ions in precipitation has strong reducing ability and the chelating ability of organic compound composite of, multifunctional iron stabilizer. The agent has iron stable ability, heat resistance, acid resistance, compatibility and good deoxidizing effect, convenient use etc..

Two, technical requirements

Project	Index
Appearance	Homogeneous liquid
No peculiar smell	Soluble in water, acid, hydrochloric acid, solution to clarify
Stable iron ion capacity，mg/ml	≥60
Ability to maintain the stability of iron ions， %	≥80

Three, the use of methods
Can be used in the preparation of production wells. The conventional acidification and fracturing fluid preparation of the water injection well can be used together with other additives to add acid, and the pump can be used together.
The maximum content of Fe3+ in acid solution is not more than 5000mg/L acid, and the recommended dosage is 2 ~ 10Kg/m3..

Four, storage and transportation
1 store in a cool, ventilated warehouse. Away from the fire, heat, direct sunlight. Keep container seal.
2 transport and handling should be handled gently and prevent violent collision, extrusion, inversion, so as to avoid damage to packaging and containers, leakage.

Five, matters needing attention
1. The product contains reducing component, avoid light, should be stored in a cool dry place, avoid and containing gas, oxidation material contact to avoid failure.
2 product warranty period is generally not more than one year. Stored for a long time, a small amount of sediment may occur in the barrel, generally does not reduce the efficacy, if more than shelf life, should be tested before the use of qualified.
3. In the process of using, the staff shall wear labor protection supplies, to prevent products splashed into the eyes or contact to the skin, once the occurrence of the above phenomenon, immediately wash with plenty of water, in serious cases, timely medical treatment. Sprinkle on the ground should be as far as possible, for a small number of products with soil landfill, you can also use a large amount of water to wash, wash water into the waste water system.