In accordance with the current situation of increasing number of casing failure Wells in Liaohe oil province, study on casing patch workover is carried out.
针对辽河油区目前套管损坏井不断增多的现状，开展了套管补贴大修技术研究。
In accordance with the current situation of increasing number of casing failure Wells in Liaohe oil province, study on casing patch workover is carried out.
针对辽河油区目前套管损坏井不断增多的现状，开展了套管补贴大修技术研究。
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