Technip completes 21 subsea jumper metrology operations using Sonardyne International's Lodestar GyroCompatts & saves 8 days working time. Using the latest Wideband Long BaseLine (LBL) acoustic positioning hardware by optimising its technique, Technip was able to complete each metrology operation in an average of 13 hours, with one such operation conducted in only 8 hours. Subsea metrology requires accurate, precise and robust acoustic measurements so that a spool or jumper can be successfully fabricated and installed. For a low-risk, multi-functional and cost-effective solution to the project, Sonardyne recommended Lodestar GyroCompatts, integrating the features of the company’s most advance LBL transponder with a Lodestar Attitude and Heading Reference System (AHRS) in a single ROV-deployable subsea housing. This integration provides high update rate wireless attitude, heading, heave, surge, sway, pressure, sound velocity (SV) and acoustic positioning of any subsea object. Edd Moller, Sonardyne’s Survey Support Group Manager explained, “One of the main challenges of acoustic metrology is to ensure that the measured wideband acoustic range can be translated accurately down from the transponder to the hub level. This is traditionally done using inclinometer Compatts which is then QC’d by rotating the Compatts in the hubs to determine misclosure in both the stab to hub mating and also inclinometer and alignment errors.
Ashtead Technology announce at the U.K.'s Ocean Business 2013 expo that it has purchased Sonardyne 6G acoustic positioning equipment value £1.3 million. This latest acquisition is the second significant order placed by the company for 6G in the last 12 months, further strengthening the Ashtead Technology fleet of Compatt 6 transponders, including various sound velocity, digiquartz and inclinometer sensors, GyroCompatts
Recognizing the benefits of Sixth Generation (6G) acoustic technology, Sonar Equipment Services has placed its first order with Sonardyne International Ltd. Based in Great Yarmouth, UK, Sonar Equipment is a leading supplier of high grade geophysical, oceanographic, ROV and hydrographic marine survey equipment to the offshore sector. The order for Sonardyne’s most advanced subsea navigation and data telemetry technology includes ROVNav 6 LBL transceivers and Compatt 6
Seattle-based Crowley Marine Services continues to support the U.S. Navy's Office of the Superintendent of Salvage (SUPSALV) as prime contractor for Phase II of its Ehime Maru recovery project. Phase II, which began in mid-October, involves support of the Navy's Mobile Diving and Salvage Unit One (MDSU) for recovery operations of the Japanese fishing vessel Ehime Maru, which sank in February after a U.S. submarine resurfaced beneath it off the coast of Honolulu.