The wells of Y, D and L groups are the only three pairs of hydrofracturing connective wells in the salt factory of Pingdingshan which played the main role to produce and supply brine to the factory.

• 井组是平顶山盐厂仅有的三对水力压裂连通井组，也是平顶山盐厂卤水的主要产供者，Y井组为设计水力压裂连通井组，D、L井组为改造连通井组，由原对流单井改造而成。