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首頁 > 鋼管百科 > 如何保護油套管的陽極和陰極

如何保護油套管的陽極和陰極

日期:2020-03-06

隨著石油工業的快速發展,油田的地下管道,油井套管和儲油罐底板,特別是油井套管的嚴重腐蝕嚴重影響了油田的生產,開發和環境。油氣井套管內外壁均發生腐蝕,內部腐蝕嚴重。那么,如何保護油殼的陽極和陰極呢?讓我們簡要地了解一下:

如何保護油套管的陽極和陰極

1.為了處理油井套管內壁的腐蝕,通常在油井的環形空間中添加殺菌劑,腐蝕抑制劑,pH值調節,封閉的氧氣阻隔技能,以及在硫磺和天然氣領域選擇低強度油套管。

2.為應對油井套管外壁的腐蝕,一般采用陰極維護技術。現在,這已得到國內外防腐界的認可。為了避免地下鋼結構的土壤腐蝕,陰極維護是最經濟,合理和有用的維護措施。陰極維護是一種安全而先進的防腐技術。具有維修能力強,施工簡單,投資少的特點。此技能越來越多地用于石化以及石油和天然氣領域。

陰極維護技能不僅可以避免新建油井套管的腐蝕,而且對現有的舊油井套管也非常有用。它可以延長使用壽命并減少更換次數。經濟效益非常顯著。

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