The Wireline uses a 7/32" OD mono-conductor electrical armored cable which creates a pathway for electrical telemetry and communication between the surface and the equipment at the end of the cable.
The cable is operated by dedicated wireline units while the well Head Safety Equipment is the same as the Slickline one if not for the sides of the BOP's rams and stuffing box that in this case becomes a flow-tube as the hydraulic seal on the 'rough' surface of the armored cable is achieved by injecting special grease (sealing).
The electric-line is used in all those operations in which continuous monitoring is required like production logging, well pressure build up in SRO, video camera as well as of well intervention and pipe recovery operations.
Downhole Video camera
Real Time Read Out