Pre-lay moorings involve the provision and installation of a complete additional drilling rig mooring spread before the drilling rig arrives on location.
In effect for a pre-lay campaign two mooring systems are provided, with the rig using one whilst the second is ‘leap-frogged’ to the next well and prepared. The rig can therefore move to the new location and hook up to the installed mooring without waiting.
Benefits of pre-laying the mooring system:
- Safety and integrity
- Provides additional local activities.
It is clear that the direct financial benefits of pre-lay are a key factor, but the enhanced safety and integrity are critical aspects for consideration. Pre-laying a mooring spread moves this activity off the rig’s critical path and reduces the substantive time (and cost) pressures that holding up a drilling programme entails.
InterMoor’s latest mooring connector, the Inter-M Release allows faster “leap-frogging” between systems thanks to a Teledyne enabled acoustic release system, that can disconnect at the push of a button.
Delivered by InterMoor
InterMoor designs, supplies and deploys technically advanced mooring systems and provides rig-move and back-of-the-boat installation services worldwide.
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