Top Drive & Travelling Block Dollies Refurbishment

Disassembly, inspection, refurbishment and reassembly of Top Drive and Travelling Block Dollies, with NDT inspection and a full protective coating system.

LOCATION
UAE
YEAR
2026

Complete disassembly, repair and reassembly of the Top Drive and Travelling Block Dollies for the Rowan Mississippi drilling rig, with the focus on mechanical reliability, structural integrity, and quality control at every stage.

Project details

A comprehensive mechanical refurbishment for JSA Loadmaster, delivered for the Rowan Mississippi drilling rig at Hamriyah Free Zone, Sharjah. From 09 January to 08 February 2026, the project covered the complete servicing of two dolly frames, including roller assemblies, bearings, pins, isolators and grease lines, all carried out to the client’s technical requirements and Drawing No. 07162.

Project type
Marine & Offshore
Client
JSA Loadmaster
Asset
Rowan Mississippi
Location
Hamriyah Free Zone, Sharjah, UAE
Project dates
09 Jan – 08 Feb 2026
Key focus
Refurbishment, NDT, coating
Top Drive & Travelling Block Dollies RefurbishmentTop Drive & Travelling Block Dollies Refurbishment

Scope of Work

A complete, stage-by-stage refurbishment

The work followed a clear sequence, from full disassembly and inspection through to final reassembly, with quality control and documentation built into every stage.

  • Full dismantling, tagging and inspection of dolly components.
  • Servicing of rollers, bearings, pins and bushings.
  • Installation of new rollers, bushings, seals and isolators.
  • Grease line installation and flow testing.
  • MPI inspection of structural welds to AWS D1.1.
  • Sa 2.5 blasting and a three-coat protective paint system.
  • Final reassembly, alignment and inspection.

The refurbishment was completed over one month (09 January – 08 February 2026), with all components serviced, structural welds verified by NDT, coatings checked for dry film thickness, and the assemblies delivered ready for service.

Project Overview

Rays Technical Services carried out the complete refurbishment of the Top Drive and Travelling Block Dollies, restoring critical moving components and protecting the structure with an industrial-grade coating system.

We handled the job from first disassembly to final inspection, keeping mechanical reliability and quality verification at the centre of every step.

What’s included

  • Top Drive and Travelling Block Dolly assemblies
  • Rollers, bearings, pins and bronze bushings
  • Isolators and grease lines
  • NDT inspection of structural weld joints
  • Blasting and three-coat paint system (RAL 1003 Yellow)

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