Engineers are worried that CO2- laden brine, which is acidic, could find its way from an injection well to an abandoned well and thereupon corrode the cement plug and leak to the surface.

• 工程师担心充满二氧化碳而呈酸性的卤水，可能循著某种途径从注入井进入废弃油井，随后腐蚀水泥封盖而洩漏至地表。