浅层稠油井口下陷原因及整改方案
West-China Exploration Engineering（2011）
Abstract
通过分析井口下陷的原因,依据井口的下陷程度,通过调整井口管汇、增高套管头、增加法兰重新调整井口高度等对策改善井口状况,恢复油井正常生产,消除安全隐患.
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