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低渗透砂岩储层水平井井筒净化技术的改进研究

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摘要 随着近年来长庆油田水平井数量激增,水平井出砂现象日益严重,导致部分水平井因井筒砂埋产量降低,甚至沙埋关井,影响油井产能和开采成本。本文通过对出砂类型进行分析,判断井筒沉砂主要类型为压裂砂,同时介绍了目前常见的水平井冲砂技术的原理及优点,以及3种水平井冲砂工具的原理、结构和优缺点。最后指出针对低渗储层水平井,冲砂技术需要完善和改进之处。
出处 《进展》 2023年第17期95-97,共3页
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