Through the analysis of oil pipe disabled, the main causes for disable oil pipe in Zhongyuan Oil Field has been determined as following: the inside wall of oil pipe damaged in notch by frictions, oil corrosion and the liquid washing out.

 
  • 通過(guò)油管失效形貌的分析研究,確定了抽油桿摩擦致使油管內壁形成溝槽式破壞并伴隨井內介質(zhì)綜合腐蝕和井內液體沖刷的共同作用,是中原油田油管失效的主要原因。
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