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Winch Shutdown Control

• Monitors wireline tension from LineWise
• Software sends signal to control box if a sudden rise or fall in tension is detected
• Control box activates relay to disable winch until the problem is resolved
• Prevents loss of time, wireline, and downhole tools

Magnetic Mark Detector

• Recognizes magnetic marks applied to open hole wireline
• Sensor mounted to measuring head
• Processing module is connected to a LineWise frequency input
• LineWise software automatically correlates magnetic marks with measuring head encoder depth