• production screen - 引用次数：4

  Basing on the sand plugging problem occurs in the process of oil field’s using underground screen pipe to prevent sand and the principles of energy conversion;a roller-type underground down production screen pipe is developed.

  针对油田在用井下采油筛管防砂过程中出现的砂堵等问题,依据能量转换原理,研制出一种辗辊式井下采油筛管。

  参考来源 - 辗辊式井下采油筛管的研制及应用

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