Nordic-Calista

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Top Drive Inspection

Drilling Equipment Inspections

How often
Category I daily, Category II weekly, Category IV every 5 years (working days). Category II more often during continuous tripping at the Rig Manager's call. Visual inspection also as part of the derrick inspection.
Source: Nordic PM Plan 9.0 Table 1 (Top Drive) and note **; Nordic R4 Rig Start-Up 20.0 step 2; API RP 8B
📋 Inspection Information
📏 Readings
✅ Checklist

Answer every line. N/A means it does not apply today. Every Fail needs a note saying what is wrong.

Track and carriage
Track straight
Source: Nordic R4 Mast/Derrick Bi-Weekly Inspection (Top Drive 4)
Track bolt flanges, turnbuckle pins and safety clips secure
Source: Nordic R4 Mast/Derrick Bi-Weekly Inspection (Derrick Structure 4)
Locking slide on the track shimmed correctly
Source: Nordic R4 Mast/Derrick Bi-Weekly Inspection (Top Drive 1)
Service loop and power
Service loop safety chains and clamps
Source: Nordic R4 Mast/Derrick Bi-Weekly Inspection (Top Drive 2)
Hydraulic hose loop: no leaks, frays, kinks or damage
Source: Nordic R4 Mast/Derrick Bi-Weekly Inspection (Top Drive 3)
Electrical cord, strain reliefs and connections
Source: Nordic R4 Mast/Derrick Bi-Weekly Inspection (Top Drive 6)
All junction boxes closed
Source: Nordic R4 Rig Start-Up 20.0 step 3
Function and condition
All grease points greased
Source: Nordic R4 Rig Start-Up 20.0 step 4
Link tilt functions
Source: Nordic R4 Rig Start-Up 20.0 step 5
Grabber box up and down functions
Source: Nordic R4 Rig Start-Up 20.0 step 6
Quill rotates
Source: Nordic R4 Rig Start-Up 20.0 step 7
IBOP valves open and close; operating wrench for the manual valve on the floor
Source: API Std 53 (drill string safety valves)
NC-50 saver sub threads and shoulder in good condition
Source: Nordic R4 Rig Start-Up 26.0 item 20
No visible cracks, deformation, leaks or loose or missing parts
Source: Nordic PM Plan 9.0 (Category II)
Covers and bolted parts aloft have secondary retention
Source: API RP 54 (4th ed.) 7.1.13; DROPS Reliable Securing
📝 Findings & Actions
AnthroSafe™ Field Driven Safety
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