Telescopic joint D&I: repair & re-certification
2019
Location: WA
Client: Oil State Industries
Sector: Energy
WPF were engaged by our client, Oil State Industries to repair and recertify a telescopic joint from a mobile offshore drilling unit (MODU). The telescopic joint, a crucial component in offshore drilling operations, required repairs and recertification to ensure its continued functionality and safety. Our role encompassed detailed inspection, repair, testing, and recertification of the joint to meet industry standards and client-specific requirements. The successful execution of this project will ensure the safe operation and extended life of the MODU’s critical equipment. Weighing in at over 34 tons, this 15,000 psi Telescopic Joint with a 60 ft stroke, was one of the largest received at WPF.
- Dismantle of the asset
- Inspection – including visual, NDT, PMI, dimensional and hardness testing.
- Reporting with findings & recommended dispositions
- Repairs
- Parts and seals replacement
- Replacement of damaged and re-coating of re-usable fasteners
- Manufacture of additional auxiliary line clamps.
- Replacement of all hydraulic tubing and fittings.
- Inner barrel changeout
- Reassembly in accordance with OEM procedures and with an additional two new auxiliary line clamps.
- Function & pressure testing of hydraulic circuits and packers.
- Manufacture of a special test tool to allow testing of the auxiliary lines either individually or in combination.
- Pressure testing of all auxiliary lines.
- Recoating of TJ to subsea paint specification.
- UHP washing and sealing of hydraulic lines
- Installation of new protectors onto all main tube and auxiliary line ends.
- A full DROPS compliance survey prior to load out.
- QA documentation and traceability report.





