When a top drive is down, the urgent question is usually simple: how quickly can the correct part reach the rig? The difficult part is the word “correct.” A familiar description or a similar-looking component does not always confirm fit, especially when equipment has been upgraded, repaired, or modi

See how a NOV TDS-11SA top drive overhaul moves from teardown and dimensional inspection to repair, reassembly, testing and delivery.

1. Why spare-parts planning should start before disassembly 2. Confirm the exact top drive and overhaul scope 3. Review five spare-parts groups 4. Sort parts by purchasing priority 5. Prepare an RFQ that can be checked quickly 6. Ask for useful inspection and shipping records 7. Avoid replacing a failed part in isolation 8. Connect the parts order with the overhaul plan 9. Common planning mistakes 10. FAQ and inquiry CTA

NOV TDS Top Drive Spare Parts Guide: How to Avoid Wrong Purchases and DowntimeWhen a top drive stops working on a drilling rig, the real cost is not only the damaged part. The bigger problem is often the downtime caused by slow identification, wrong spare parts, repeated communication, and delayed d

Guide to Identifying Iron Roughneck Spare PartsLearn how to identify iron roughneck parts by model, OEM number, function, and specs to avoid wrong orders, reduce downtime, and speed up rig maintenance. A wrong spare part can stop a rig fast. It may look right, yet fail in use. For iron roughneck par

A compact iron roughneck is designed to make up and break out drill pipe connections where space, weight, or installation clearance is limited. Unlike standard or high-capacity iron roughnecks, a compact model is optimized for smaller drill floors, mobile rigs, and retrofit projects, while maintaining safe and reliable operation.