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1·It has advantage on paraffin removal and broken down and decreasing liquid slippage losses as well as saving high pressure injecting-gas.

具有清蜡解堵、减少流体滑脱损失和节约高压注入气的优点。

2·The latest technologies in paraffin removal and control in foreign countries are briefly introduced, such as paraffin removal by oil well tubing fillup valve, negative pres…

简要介绍了国外最新应用的清蜡、防蜡方法，诸如油井油管注入阀清蜡、负压冲击清蜡、井下就地产热清蜡、油井直接电加热清蜡和使杆管表面亲水防蜡等。

3·Character: in the process of paraffin and oil removal, it doesn't corrode the applicable metal surface.

特点：除蜡除油过程中对所适用的金属表面无腐蚀。