GSF Galaxy lIl Jack-Up Rig

GSF Galaxy III Jack-Up Rig

1: Solar Powered Light Station for GSF Galaxy III and GSF Monarch

Industry compliant system for Cold Stacked Rigs

Solar Powered Light Station for Galaxy III & Monarch

Monitor Systems were asked to provide the GSF Galaxy III and GSF Monarch Jack-up Rigs with a Solar Powered Light Station as part of its ‘cold stacking’ procedure.

Typically, a variety of steps can be taken to protect any ‘cold stacked’ rigs including the installation of monitoring systems that communicate rig status and critical systems information to locations onshore. Monitor Systems also provide a comprehensive marking and monitoring system that includes GPS Position Monitoring, Intruder Monitoring, Fire and Bilge Alarm Monitoring, Anchor Winch Tension Monitoring, Solar Power Supply and an Automatic Identification System.

Monitor System’s provided the rig owners with a state-of-the-art solar system. The ‘MSSL Solar Powered Light Station’ comprises a main solar powered lantern with white LED flasher producing >1400cd, set to Morse ‘U’ 15 seconds and includes an internal photocell. The industry compliant system is mounted on a hot dipped (BSEN 1461) galvanised pedestal. The light station includes an 80W solar module set at 30 degrees and in addition, a 200AH (at 12VDC) battery bank housed in the (base) fiberglass (UV protected) battery box was supplied to provide a minimum of 96 hours power back-up for the marine light. The battery box, solar module and lantern were preassembled onto a skid for easy ‘on-location’ installation.

 

 

2: RPD M1000 Rack Phase Differential Monitoring

Monitoring of Rack Phase Difference during Jacking Operations

Monitoring of rack phase difference during jacking operations can give an early indication of possible leg over-stresses. Taking continual manual rack phase measurements during jacking operations is both difficult and labour intensive. The Monitor Systems Engineering rack phase differential monitoring system provides an accurate electronic / mechanical system for measuring and recording the rack phase difference of each leg.

The rack pitch differential monitoring system is based around a Siemens PLC. The PLC provides high level control functions, programme structuring, networking and software integration.

The main user interface is via a 15” Industrial Panel PC running Windows XP Professional and WinCC Flexible Runtime Scada package. This interface will display all RPD information graphically and numerically as well as displaying all alarm information, historical trending data and maintenance procedures. Three 8” remote mobile hand held HMI’s are also provided. The mobile HMI’s can be connected to Connection Points at each leg chord to display RPD information to the operator whilst operating the legs from the Remote Jacking Control Stations.

RPD System Commissioning

As well as RPD information the RPD Monitoring System also tracks the position of each leg and in doing so can perform calculations to monitor such variables as Leg Penetration, Distance to Tag Bottom and Total Draft. These additional calculations will be based upon manually entered data such as Air Gap and Tidal Water Depth.

All RPD alarms are fully configurable and the alarm levels can be set by the operator. If any alarms are generated an internal buzzer / beacon located on the PLC Station will be triggered.

RPD System Commissioning

Safe, error free jack-up system for GSF Galaxy III

Our RPD system eliminates the high risk of serious damage and safety implications to legs, jack-house equipment, rack chords, surrounding braces, girder work etc.

Reverse Osmosis Watermaker Supply and Installation

Following on from the supply of our RPD system to the GSF Galaxy III Jack-up Rig earlier this year, Monitor Systems were asked to install and commission the system using experienced and trained engineers.

A team of project engineers, electricians and supervisors installed and commissioned the M1000 RPD on all three legs of the jack-up rig in the North Sea in approximately 36 days, start to finish. Commissioning of the system took 7 days at the start and end of the installation process, supervised by our project engineers.

Monitoring of rack phase difference during jacking operations can give an early indication of possible leg over-stresses. Taking continual manual rack phase measurements during jacking operations is both difficult and labour intensive. The Monitor Systems M1000 RPD rack phase differential monitoring system provides an accurate electronic / mechanical system for measuring and recording the rack phase difference of each leg.

In the last few years Monitor Systems have manufactured, installed and commissioned four M1000 RPD systems on Jack-up rigs, providing the operators with a safe, error free, automated jack-up control and management system. The ability to monitor critical leg movement data will eliminate the potential of serious structural damage to the legs and rig during future jacking operations.

 

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Monitor Systems Scotland Limited : Est. 1997