An outage schedule management apparatus and a method are provided, wherein a topology change is executed in response to an outage schedule set up by a user input, and a validity determination is executed to system operation standard to approve an outage. A score is assigned to each affect term in the document. A valve assembly is disposed between an inlet port and an outlet port. The parallel well is filled with water and the studies are conducted within this parallel well, such information correlating to the conditions of the target oil well. The processing system is configured to determine path-losses between the apparatus and a plurality of wireless nodes, to group the plurality of wireless nodes into sets based on the determined path-losses, and to exchange data with at least one of the wireless nodes in one of the sets. Therefore, no interference noise occurs between two adjacent signal transmission lines.