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普光气田井筒解堵工艺技术改进方法

Oil Field Equipment(2013)

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Abstract
普光气田的H2S平均含量达到15%,在投产初期就出现井筒堵塞情况,严重影响天然气产量。分析原因是硫沉积、水合物、暂堵剂等附着在井壁,导致节流或堵塞。热水吞吐解堵工艺和连续油管冲洗解堵工艺都存在不足。采用无固相压井液压井、连续油管热水冲洗工艺,解决了普光气田井筒堵塞问题,并优化了放喷流程。为高酸气田的开发提供技术支持。
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Key words
well bore,technology,gas field,plug removal
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