Casing damage during blowout of water injection well is common in many oil fields of China.

注水井放喷过程中的套管损坏问题在中国许多油田十分普遍。

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Sand production is believed to be the main cause of casing damage based on well status survey in WZ oilfield in Dongpu depression.

以东濮凹陷WZ油田井况调查套管损坏资料为依据，分析说明地层出砂是引起套管损坏的主要原因。

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Oil and water well casing damage in oil fields is a very difficult technology problem during petroleum development.

油田油水井套管损坏是石油开发中遇到的一大技术难题。

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