中坝气田须二气藏排水采气效果分析

Drilling & Production Technology(2012)

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Abstract
须二气藏为一非均质性较强的边水气藏。边水气藏开发过程中,因井底压力和产气量低,气井携液能力变差,井筒积液不断增多,导致部分产水气井间歇生产甚至水淹停产,严重降低了气井产能及气藏的采收率。快速有效地排液生产是保障该类气藏持续、高效生产的关键。文中对中坝气田须二气藏的出水井现状及产水机理进行了分析,归纳总结了气藏采用的各种排水采气工艺措施,并对措施效果进行了比较和分析。
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Key words
liquid loading,drainage gas recovery,effect analysis,Xujiahe 2 gas reservoir
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