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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The soft sealing isolation technology is suitable for casing deformation well, corrosion control of commingled injection well and isolating injection water.

该软封具有施工简单、隔离性能好、有效期长和可用于套管变形井等特点，适用于合注井的防腐保护液与注入水隔离。

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Corrosion failure of casing in Zhongyuan oil field is a main factor that causes oil or water well abandoned.

在中原油田，套管腐蚀损坏是油水井报废的主要原因。

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And then they send down a very high-speed injection of water into the well casing, and of course that flows into the rock and it puts little - tiny little hairline cracks in the rock, opens it up.

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