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Scale Remover

Scope of Application

The product applies oil and gas well, surface gathering and transmission system, industrial water treatment; it can effectively prevent the formation of sediment of calcium carbonate, magnesium carbonate and calcium sulfate etc.

Principles

The product is composed of multi-component and can generate stable chelate compound through reaction of scale cation and chelate agent, thus prevent it from contacting scale anion and avoid contact and cohesion between scale particles, which can greatly reduce the scaling possibility and realize the goals of scale prevention and removal.

Technical Indicators (Q/SH 0356-2010)

Item	Indicator
Appearance	Uniform liquid
PH value ≥	2.5
Freezing point, °C ≤	-10
Water solubility	Water-soluble and form uniform liquid
Scale removing rate (10mg/L)，%	Calcium carbonate ≥80
Scale removing rate (10mg/L)，%	Calcium sulfate ≥85
Note: Freezing point shall be checked when local temperature is below 0 °C in winter.

Technical Requirement for Common Scale Remover

Item	Indicator
Appearance	Uniform liquid
PH value ≥	7
Freezing point, °C ≤	-10
Water solubility	Water-soluble and form uniform liquid
Scale removing rate (5mg/L) ，% ≥	90
Note: Freezing point shall be checked when local temperature is below 0 °C in winter

Technical Requirement for Special Scale Remover against Calcium Sulfate

2.Performance Features

It can be widely applied and not influenced by ambient temperature; it can be used in corrosive medium.

Field Applications

The product has been applied to oil and gas gathering and transmission system of the Zhongyuan Oilfield and Puguang Gasfield, effectively preventing the system from scaling and plugging.