The Singapore-based company may also take a fifth unit fromTransocean, all of which would be managed by Atlantic Marine, a broking sourcetold Upstream.

Ezion has already bought the Transocean Shelf Explorer, asource close to the development told Upstream. It is due to undergo conversionwork into an accommodation jack-up for work off Mexico, the source added.

Earlier this month Ezion revealed it had won a four-year, $80million contract from an unidentified oil major to provide a service rig on theSonda de Campeche field beginning in the fourth quarter.

One