Cellar deck centralizers
CELLAR DECK CENTRALIZERS ARE INSTALLED AT THE CELLAR DECK LEVEL TO PROTECT THE UPPERMOST SECTION OF THE CONDUCTOR AND REDUCE FLOWLINE MOVEMENT TOLERANCE.
Cellar deck centralizers consist of two halves that clamp to the guide or to the deck structure. The method of the interface depends on the conductor guide type. The design includes the use of adjuster shoes with a moulded polyurethane layer to ‘cushion’ the interface with the conductor and prevent wear. The clearance is adjusted to a minimum – some clearance is required for riser axial expansion and movement. These centralizers are typically suitable for standard lateral loads at the level of 2-7 tonnes, although we have supplied units capable of withstanding up to 30 tonnes of lateral load. Working to specific project requirements to provide a design that interfaces seamlessly with the rest of the components, the primary purpose of this type of centralizer is to prevent excessive flowline movement to avoid fatigue issues that would negatively affect the life of the well.
There are four main types of cellar deck centralizer, each requiring slightly different designs:
- Internal – The centralizer is fitted inside a guide can
- External – The centralizer is fitted around a guide can
- External Cone – The centralizer is fitted onto the cone of a guide
- Rectangular – The centralizer is fitted directly into an opening in the deck structure.
Delivered by Claxton
Claxton combines a fast-track design and project engineering service with a large rapid call-off inventory to deliver integrated end-to-end life of field solutions for customers' renewable and oil and gas energy projects all around the world.
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Acteon solutions can simplify the interface between Acteon and customers that need more than one of its strategic business segments and product and service line brands to address their marine energy and infrastructure challenges, whatever their scale and complexity. Each combination is packaged as a customer-specific integrated solution and delivered through a single Acteon point of contact under a single contract.
DRILLING AND DECOMMISSIONING SERVICES - REQUEST MORE INFORMATION
Acteon’s expertise in drilling and decommissioning spans decades and covers the full lifecycle of a project from the acquisition of subsea information and data, to bespoke drilling packages to onshore disposal and recycling.
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