Leave big inner diameter in borehole and it is easy to run in workover tools for downhole operation. Casing impairment leads to loss of pressure integrity, pinching of production tubing, even an inability to lower workover tools.

  • 膨胀管坐挂膨胀后留在井筒内的内径大,便于下入修井工具及井下作业。套管损坏会导致压力完整性破坏、生产油管磨损,甚至无法下入修井工具。

  • 互联网摘选 2025-01-20 12:45:19

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