Well logging with downhole logging tool conveyed with electrical cable (wireline) with surface-powered downhole logging tool and real-time data communication between surface panel and downhole logging tool.
The important feature of wireline logging is that after RIH, field engineer can see all logging data in real-time and dispatch commands which tool can understand.
This type of conveyance is used in vertical or slightly deviated wells.
Usually conveyed with wire-line (for ) and e-line coil-tubing (in horizontal and severely inclined wells).