Case studies

Service and inspection of mooring winch hydraulic system

Hydraulic system inspection and servicing are critical to ensure the technical integrity and reliability of this critical equipment.

 

Asset:

FPSO

Location:

Thailand

Date:

2015
 

 


 

Challenge/objectives

Hydraulic system inspection and servicing are critical to ensure the technical integrity and reliability of this critical equipment.

Our client in Thailand contracted us to perform the service and inspection of their mooring winch hydraulic system and provide operational support for six turret mooring wire rope change-outs which were ABS witnessed.

 


 

Solution applied

  • Conducted inspection on three winch gear boxes and assessed drive splines and brake packs
  • Assessed condition of winch braking system and adjusted brake pad tolerances as necessary
  • Inspected condition of complete hydraulic circuit, flow and pressure test pumps and motors, and upgraded un-serviceable components
  • Serviced main hydraulic power unit (HPU)
  • Supplied and replaced oil, filters and consumable components
  • Assessed electrical system and cabling and liaised with on-board electrician to advise replacement of damaged, deteriorated and un-serviceable components
  • Conducted hose integrity management inspection and compiled detailed hose register
  • Re-commissioned and tested complete winch hydraulic system in preparation for mooring wire change-out
  • Re-inspected hydraulic system and conducted full pressure and flow test
  • Load tested winches to ensure they are functioning within OEM technical parameters
  • Assisted with the installation of sheave assembly and wire deflector
  • Assisted crews in the recovery and replacement of six mooring wires from the turret to the sea-bed

 


 

Summary of services/equipment deployed

  • Hydraulic maintenance and repairs
  • Equipment operation and condition monitoring
  • Load testing and certification
  • NDT inspection
  • Technical support and commissioning
  • Portable flow meters and hydraulic test gear
  • Diagnostic equipment and specialised tooling

 


 

Outcome/benefits

The solution applied by the Sparrows Group provides a number of benefits:

  • Confidence in the integrity and reliability of their full hydraulic system
  • Full management of hydraulic system and winch operation during replacement
  • Successful mooring wire replacement due to reliable mooring winch system

 


 

Resources

 

pdf icon  Service and inspection of mooring winch hydraulic system

 

 

Layout Type

Presets Color