SEA TECHNOLOGY:Successfull AUV operation Ormen Lange

Tuesday, January 28, 2003
Norsk Hydro ASA contracted Stolt Offshore to perform AUV seabed charting in the Storegga slide August/September 2002. NUI AS with the AUV NUI Explorer was subcontracted by Stolt Offshore to perform the AUV services. Pushing the exploration and production of oil and gas into ultra-deep water is facing a significant challenge of installing subsea production equipment and transport pipelines in rough and complex seabed terrain. The pipeline systems to bring the oil and gas ashore often have to cross steep escarpments leading to shallower continental shelves. As a result detailed knowledge about seabed conditions becomes a key factor affecting the engineering and construction activities. Identification of the most optimal site and pipeline route means significant lower construction cost. Based on this knowledge Norsk Hydro ASA contracted Stolt Offshore to perform AUV seabed charting in the Storegga slide August/September 2002. NUI AS with the AUV NUI Explorer was subcontracted by Stolt Offshore to perform the AUV services. Nearly 1,000 km of multibeam echo sounder and sub-bottom profiler data was successfully collected in water depths of 250-850 m in extremely difficult terrain. The data quality was very good and the operation efficient. Typical charting speed for the AUV was 3.7 knots. Enclosed data samples created by Marine Surveys, Norsk Hydro ASA, illustrates the data quality of the results.

The HUGIN AUV concept

The HUGIN AUV concept is a battery powered, free-swimming vehicle, operated primarily under acoustic supervision from a surface vessel, or in autonomous modus completely relying on the built-in control systems and intelligence. The AUV is capable of performing high-speed surveys of excellent quality down to an operating depth of 3000m.

The Ormen Lange project

The Ormen Lange field is the largest undeveloped gas field on the Norwegian Continental Shelf. The field is located 100 km north-west of the Møre and Romsdal coast (mid-Norway), at a water depth of some 3,300 ft. The estimated gas reserves are 375 billion Sm3 of dry gas and 22 MSm3 of condensate.

Maritime Reporter March 2014 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Technology

Rolls-Royce Wins Heyerdahl Award

Rolls-Royce has been awarded the maritime Heyerdahl Award 2014. The award was presented by His Majesty King Harald at the Norwegian Shipowners’ Associations Annual Conference in Oslo March 31.

Imtech Extends VSAT Coverage Above Europe

Imtech Marine expanded its Global Ku-band VSAT network with additional coverage above Europe. Next to the Telstar 12 satellite and the Intelsat 21, the Eutelsat

Fincantieri Offshore Chooses AVEVA Software

One of the world’s largest shipbuilders uses AVEVA software to design next-generation drillship. Fincantieri Offshore has signed a contract with AVEVA to implement

Legal

Italian Pleads Guilty to Marine-hose Price-fixing in US

A former executive of Parker ITR Srl pleaded guilty on Thursday to conspiring to rig bids for marine hose and was sentenced to two years in prison, the U.S. Justice Department said on Thursday.

Court: Japan's Mitsui Paid to Release Ship

China Supreme Court says Mitsui pays about $29 mln; Ship released about 0030 GMT Thursday. Ship was seized over dispute dating back to 1930s. Advisor to plaintiffs says will likely demand more money.

Lawyer: Korea Ferry Owners Accept Responsibilities

The family that has a major stake in companies that control the shipping operator whose ferry sank last week, likely to have killed hundreds, will take social and

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Maritime Security Maritime Standards Navigation Pipelines Pod Propulsion Salvage Ship Repair Sonar
rss | archive | history | articles | privacy | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1617 sec (6 req/sec)