External Upset Connection

external upset ends - forging of ends on (API) tubing and drill pipe to provide additional thickness for strengthening connections

End Use Equipment

Expected Unserved Energy. Used to indicate reliability impacts in terms of incremental change of EUE. EUE is the amount of load that would have to disconnected (shed load) to avoid damage to the power delivery system. UE occurs when loads exceed the emergency ratings of equipment, and are generally evaluated under one or more contingency configurations.