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泥浆循环系统阴极保护技术

Cathodic Protection Technology for Mud Circulation System Equipment
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摘要 针对江汉油田泥浆循环系统设备,设计了牺牲阳极阴极保护防腐蚀方案。对无机盐水的电阻率进行筛选,选择铝阳极,并对铝阳极的规格、形状、安装位置、使用寿命、检测技术等进行了设计,阳极安装采用直接焊接或螺栓固定。该技术已实现现场应用。结果表明,被保护试片平均腐蚀速率小于0.2mm/a,保护率在80%左右,能够满足防腐蚀要求。 A sacrificial anode cathodic protection technology was desigred for the mud circulation system equipment in Jianghan oilfield. According to the resistance rate of salt water, aluminium anode was chosen as the feasible anode, and its specification, shape, installation position, service life and detecting techniques were investigated. By direct jointing or bolt fixation, field construction can be achieved. The results showed the average corrosion rate of the protected piece was less than 0. 2 mm/a and the protection efficiency was about 80%, which can meet the needs of corrosion prevention.
作者 梁文利
出处 《腐蚀与防护》 CAS 北大核心 2012年第11期1022-1024,共3页 Corrosion & Protection
关键词 无机盐钻井液 腐蚀 阴极保护技术 循环系统 salt water drilling fluid corrosion cathodic protection technology circulation system
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参考文献1

  • 1郑家燊.金属电化学和缓蚀剂保护技术[M].上海:上海科学技术出版社,1984:98-105.

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