June 2018, Vol. 245, No. 6

TechNotes

Allseas Touches Down with Sonardyne Dual-GyroUSBL’s on Lorelay Stinger

Offshore pipeline installation and subsea construction company Allseas is taking advantage of the operational benefits available from Sonardyne International’s GyroUSBL acoustic positioning technology, following an order for two systems for its 236-meterlay vessel, Lorelay. Used in conjunction with a Ranger 2 ultra-short baseline (USBL) topside that also formed part of the order, the GyroUSBL transceivers will be installed on the end of the Lorelay’s stinger to acoustically track a remotely operated vehicle (ROV) deployed to ensure a pipe is accurately touching down in the permitted corridor. USBL transceivers are routinely deployed through the hul

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