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为了分析钻井液流动阻力与钻柱旋转对井筒温度的影响,文中基于能量守恒定律,考虑流动阻力产生的摩擦热能与钻柱旋转产生的旋转动能,建立了井筒瞬态传热新模型.该模型的计算值比Yang数值模型和Al-Saedi解析模型的计算值高,更接近井底实际温度.实例井计算结果表明:相比于流动阻力,钻柱旋转对井口温度和井底温度的影响较大;流动阻力与钻柱旋转对上部井段温度的影响不大,但随着井深的增加,影响逐渐加剧;随着钻柱转速与钻井液排量的增加,环空温度不断增大.
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断块油气田
ISSN: 1005-8907
Year: 2021
Issue: 1
Volume: 28
Page: 133-138
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 1
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