Case Study # 3

Error Type:

Equipment Failure by design of end user

At an undisclosed workover rig, a Casing Tally being done by rig personal via hand strapping was observed 

It was noted that, the hands from that rig were using a stick tied to the start of the rig tape.

A zoomed in picture of how the heel of rig tape was attached to stick

Please note a 5-1/2” LTC Casing Collar is a standard length of: 0.67’