casing patch造句

• Casing patch technique and diameter enlarging technique of casing damage wells
  大庆油田套损井打通道加固技术
• Connection and sealing device for new and old casings used when repairing the broken and damaged casing in well with large area , long length , as well as repairing the wrongly cut casing in well ? ? packer - type casing patch - connector
  修复面积大，长度长，破裂，损坏的井内套管，修复错断的井内套管时所用的新旧套管的连接密封装置?封隔器型套管补接器。
• [ english ] connection and sealing device for new and old casings used when repairing the broken and damaged casing in well with large area , long length , as well as repairing the wrongly cut casing in well ? ? packer - type casing patch - connector
  修复面积大，长度长，破裂，损坏的井内套管，修复错断的井内套管时所用的新旧套管的连接密封装置?封隔器型套管补接器。