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不压井腐蚀检测技术的应用与分析

Natural Gas and Oil(2015)

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Abstract
长庆靖边气田下古气藏腐蚀介质为CO2、H2S和高矿化度地层水,管柱腐蚀环境复杂,为了全面掌握管柱腐蚀状况,针对常规的井下挂片和起出油管实物分析的局限性,开展了多臂井径仪MIT、磁测厚仪MTT和电磁探伤测井仪MID-K不压井腐蚀检测技术研究与应用,通过61口/72井次大规模的腐蚀检测,明确了靖边气井管柱的腐蚀状况、分布规律和防腐重点,为后期的防腐措施调整、生产管理和修井作业提供了依据.
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