Service on the Draupner gas platform in Norway

Order to overhaul Schuck Top-Entry ball valves that have been in operation for more than 20 years.


Pixaby License Approved

Requirements for work on gas and oil platforms

In order to obtain a work permit or approval on a platform, very high demands are made on the staff. Here are a few examples:

  • A health certificate for working on an oil rig.
  • Be in good physical condition.
  • There must be no serious illnesses and / or chronic ailments.
  • There must be no alcohol or drug problems.
  • A stable mental state is also a basic requirement.
  • And last but not least, the ability to work in a team must be given.

Such a job on an offshore platform poses great challenges every day. In addition to traveling to work by helicopter, there is also shift work lasting several weeks. The stay normally is 14 working days - with 12 hours’ work per day. In addition, there is hardly any privacy and only limited leisure opportunities.

Working on an oil rig is definitely not for people who want a regular "eight-to-five job".

Comprehensive safety instruction in theory and practical exercises are essential.


After a theoretical safety briefing, a written exam is taken. This is a basic requirement for the practical part, which must also be completed.


The pictures show the practical exercises in order to quickly exit the floors using the rescue chute in the event of a fire. This is followed by the evacuation exercise with a closed rescue ship, which is the only way to leave the platform in an emergency.


In seven rounds, the participants have to prove that they can get out of a helicopter underwater without any problems "upside down". Because of the helicopter's center of gravity, it tilts 180 degrees as soon as it is under water.

Really interesting, if not to say scary, is the theoretical and practical special exam on helicopter crashes. This simulates the accident on the open sea in which the helicopter falls into the water and tips over.

You learn that keeping calm is always the most important thing in extreme situations. And that is particularly important with this simulation. You learn to break the windows, loosen the seat belts, and only then get off the helicopter. Everything else is counterproductive because the helicopter can only be abandoned under water. And only if you keep calm, you still have the orientation to find the right way to the surface of the water.

Only after successfully completing all exams the way is free to fly to work in a helicopter.


Workflow of the revision work on Schuck Top-Entry ball valves

Workflow of the revision work on Schuck Top-Entry ball valves

The ball valve type Top-Entry (U-valve) offers the possibility that maintenance, repair or service work can be carried out directly on the platform on site without removing the valve.

For our customers, this means high system availability - one of the most important points for such valves.

You can find advantages and further information on the Schuck Top-Entry ball valve on our website.

Work steps of the service on a platform:

  • Checking the valve, determining the defects.
  • Bring special lifting tools into position.
  • Dismantling the drive taking all safety regulations into account.
  • Open all screws of the housing cover on the top entry fitting.
  • Dismantle the valve cover with special lifting tools.
  • Disassembly of the actuating pin.
  • Assessment and measurement of all valve components.
  • Exchange of all safety-relevant wear parts (seals, bearings, etc.).
  • Reassembly of the top entry housing cover with actuation pin.
  • Fasten the housing screws with the specified torque.
  • Execution of a valve tightness with prescribed parameters.
  • Handover of the revised Top-Entry fitting to the customer's company.
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Schuck Ball ValveType U


Disassembly of the housing cover


Schuck service staff on duty on the gas platform


Ball valve on the gallery, with difficult access


Difficult work due to respiratory protection


Dismantled valve


Measure the valve


Reassembly of the housing cover

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Our service team is trained regularly for assignments in Mexico, Norway or Poland. Practical applications for on-site maintenance and repairs are essential.

That is why our SCHUCK service team has decades of experience and outstanding expertise.

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