Mastering jacking systems inspection and maintenance for maximum uptime

Keeping offshore jack-up assets safely elevated and operating on day rate requires rigorous inspection and maintenance, deep technical expertise, and precise execution. When major corrective actions are required, asset managers need a partner who can handle everything from routine class inspections to large-scale remanufacturing projects. At RigQuip, our engineering and workshop teams bring extensive, hands-on experience managing complex jacking system maintenance across all major brands and models.

Understanding the core components of jacking system maintenance

Rack-and-pinion elevation systems endure massive physical loads, friction, and environmental wear. Ensuring structural and mechanical integrity means addressing several key subsystems:

• Drive and Gearbox Assemblies: Multi-stage planetary gearboxes and reduction gears require routine audits, oil sampling, and internal inspections to prevent catastrophic failure under load.
• Pinions and Racks: The climbing pinions and leg chords take the brunt of operational friction and require regular dimensional checks and wear analysis.
• Braking and Holding Systems: Fail-safe spring-applied brakes and electromechanical holding systems must be meticulously tested and overhauled to guarantee storm-load security.
• Guide Liners & Wear Plates: Custom-fabricated components (such as Hardox 500 liners) absorb lateral forces and keep leg chords properly aligned within hull guides.
• Structural & Foundation Audits: Outboard hub flange-to-case structures, fastener integrity, and hub chocks demand detailed non-destructive testing (NDT) and borescope evaluations.

The RigQuip approach to jacking systems: from inspection to overhaul

We support rig owners and operators through every phase of asset maintenance. Our capabilities include:

• On-site & workshop services: Comprehensive inspections, troubleshooting, and rapid-response repair teams deployed globally.
• Major remanufacturing: Complete overhauls of motors, brakes, pinions, and gearbox assemblies.
• Custom engineering support: Customised engineering procedures, precision fabrication of high-wear parts, and full technical documentation.
• Spare parts & consumables: Maintaining an extensive inventory to slash lead times and support rapid turnarounds.

Got critical drilling assets that need expert inspection or maintenance? Talk to our team today about how we can help your business achieve rapid turnaround times and competitive pricing.

Let’s talk.