Corrosion News

Offshore installation contractor Allseas has made progress on the installation of the pipeline for Santos’ Barossa Gas Export Pipeline (GEP) project offshore Australia.Allseas’ Audacia pipelay vessel has installed her largest ever PLET in S-mode, concluding several years of in-house engineering, fabrication and testing, the Swiss-based contractor said.Due to the weight of the pipeline end termination structure, Allseas’ production crew had to install it separately to the connector head.Audacia vessels is being supported with four other vessels - Fortitude…

The efficacy of surface preparation and coating application in the new construction shipbuilding industry is fundamentally anchored in a well-coordinated, integrated approach. This intricate process, essential for achieving top-tier corrosion control, is methodically segmented into five crucial stages:Raw material entryPainting the modulesSmall partsPainting of erection joints at the module levelFinal paint and ship's completion. Each stage is crucial in its own right but achieves…

KR has released two digital platforms, KR-DAON (Digital Application Online Network) and Nexawave, alongside the launch of its enhanced fleet management system, KR e-Fleet V3.The KR e-Fleet V3, an upgraded version of the existing fleet management system, focuses on enhancing operational efficiency through increased speed and simplification. It features an integrated vessel status display with survey and audit information, a new Thickness Measurement (TM) menu for tracking hull corrosion, and PSC Guidance with VR technology (KR-Real360) to assist in customer responses.

ScoutDI has added an ultrasonic thickness measurements (UTM) payload, complete with in-flight A-scan, to the capabilities of its end-to-end inspection data solution for the Scout 137 drone.The product is suitable for offshore applications where drones are becoming common for visual inspection and steel plate thickness sampling must be done regularly to monitor e.g. the effects of corrosion over time.Adding the UTM payload enables the Scout 137 drone to collect location-tagged…

Thordon Bearings reports it has secured a second major Mexican Navy contract for the supply of its water-lubricated SXL wear rings for retrofit installation to the waterjet propulsion nozzles on 25 interceptor patrol vessels.The contract follows the success of extensive trials in which the SXL material replaced the use of other anti-corrosive coatings in waterjet impeller housings, resulting in increased resistance to cavitation induced corrosion.Rotary Parts, Thordon’s authorized distributor in Mexico, is supplying the housings for 25 Polaris and Polaris II fast patrol boats.

Seakeeper has launched two new gyrostabilizer models the Seakeeper 10.5 and the Seakeeper 14, designed for vessels ranging from 50 feet to 68 feet long.The Seakeeper 10.5, engineered for boats 50-62 feet, evolved from its two predecessors, the Seakeeper 9 and the inaugural M7000 and offers 17% more angular momentum in 23% less volume.The Seakeeper 14, suited for boats 55-68 feet, bridges a gap in the current lineup between the Seakeeper 9 and the Seakeeper 18. The new model is is 43% smaller and 33% lighter than the Seakeeper 18.

Technical inquiries to SRC Group ramped up after it received Approval in Principle (AIP) for a concept which ‘reinvented methanol fuel storage’ on board ships. Delivering the answers has seen technical talk converting into project discussions        ‘Green’ methanol has the ability to one day run vessels almost emission-free, and commercial shipping increasingly investigates. Derived today principally from natural gas, methanol is nonetheless available, relatively easy to handle and predictable.

Uncontrolled flooding through a hole in the plating beneath the engine room of a fishing vessel led to its sinking in the Gulf of Mexico, the National Transportation Safety Board (NTSB) said Thursday.The commercial fishing vessel Captain Alex was fishing offshore of Galveston, Texas on Nov. 25, 2022, when the vessel began flooding. The four crewmembers on board were unable to stem the flooding and evacuated to a responding U.S. Coast Guard boat. The sinking resulted in an oil sheen and debris field; a reported 17,000 gallons of diesel fuel were on board. There were no injuries.

MODEC and Toray Industries have jointly developed a carbon fiber-reinforced plastic (CFRP) patch technique for repairs on Floating Production, Storage and Offloading (FPSO), and Floating Storage and Offloading (FSO) systems.FPSO and FSO repair services provided by MODEC, a general contractor specializing in engineering, construction, operation, and maintenance services of offshore oil and gas vessels, will utilize this CFRP patch technique for pitting corrosion repair from 2024.The American Bureau of Shipping (ABS)…

Australian regulator NOPSEMA has begun assessment of Woodside Energy’s environment plans for Julimar Development Phase 3 Drilling and Subsea Installation.The Julimar field is located in Western Australian waters about 170km north-west of Dampier.Woodside’s Phase 3 development will involve drilling up to four wells in the Julimar field and one well in the Penfolds prospect, along with the associated subsea installation. The production system will have a design life of 25 years…

Undetected corrosion and wear led to an equipment failure on a cargo ship while offloading cargo last year in Houston, the National Transportation Safety Board (NTSB) said.On July 23, 2022, the cargo ship Thorco Basilisk was offloading a wind turbine component at the Greensport Terminal on the Houston Ship Channel when the hoisting wire rope on one of the ship’s cargo cranes failed, causing the component to drop onto the vessel’s cargo hold tween deck.No injuries were reported.

Southern Ports’ new pilot boat Wardan has arrived in Bunbury, Western Australia, for local testing and trials ahead of an official naming ceremony to be held early next year.The boat, built by Hart Marine, combines top-tier technology, safety and comfort in a lightweight structure that renders the vessel resistant to corrosion, guaranteeing longevity and resilience in the harshest of marine conditions.Southern Ports Chief Executive Officer Keith Wilks acknowledged the exciting milestone for the Port of Bunbury’s fleet.

In 2019, Oldendorff Carriers signed a research agreement with the Massachusetts Institute of Technology’s (MIT) Center for Bits and Atoms to investigate disruptive improvements in ship design, propulsion, and alternative energy sources to help achieve the enhanced decarbonization targets to 2050. As part of their agreement, Oldendorff Carriers asked MIT to conduct a study on the long-term stability and degradation of a B20 advanced biofuel blend.Biofuels offer a drop-in fuel option, reducing GHG emissions from a life-cycle perspective.

MAN Energy Solutions and Doen WaterJets (DOEN) have agreed to join forces to offer a fully integrated propulsion system solution to the Australian Army’s LAND 8710 Littoral Manoeuvre Vessel Phase 1A (LMV-M) program.The program aims to acquire a medium landing craft suitable for a range of missions in Australia’s northern waters and beyond.The cooperation spans the full product lifecycle including propulsion system design, integrated logistics support and commissioning, through…

A barge owner’s lack of inspection and maintenance led to the capsizing and sinking of a crane barge last year in the Gulf of Mexico, the National Transportation Safety Board (NTSB) said.The crane barge Ambition was being towed when it capsized and sank on June 15, 2022, releasing an estimated 1,980 gallons of oil. No injuries were reported. The Ambition, owned by Rigid Constructors, and its crane were a total loss estimated at $6.3 million.Due to the height of the crane, the Ambition was being towed offshore in the Gulf of Mexico to reach its destination.

Nippon Kaiji Kyokai (ClassNK) has joined the major classification societies to amend its rules relating to the inspection of seawater-lubricated propeller shaft systems.The amendment means that ships with open seawater-lubricated propeller shafts that are built to ClassNK rules are subject to the same 15-year shaft withdrawal inspection periods as oil-lubricated shafts and sterntubes, subject to monitoring criteria.The announcement brings ClassNK’s requirements in line with those of other large class societies…

Laser systems quickly remove corrosion and scale from metal surfaces with less preparation and mess than traditional techniques.In the maritime industry, corrosion and scale (where rust penetrates a metal surface) can quickly become an issue in an outdoor, salt sea spray laden environment. When sea spray evaporates, it leaves salt behind, leading to saltwater staining and accelerated corrosion.So, most shipbuilders as well as those responsible for maintenance and repair understand the value of treating metal surfaces to remove corrosion…

David Clark Company is best known within the marine market for its wireless and digital headset workboat crew communication systems – the Series 9900 Wireless Marine Headset System and the Series 9100 Digital Marine Headset System. The company has over 20 years of experience designing and manufacturing boat crew communication solutions for a variety of workboats, e.g., patrol boats, fire/rescue craft, and offshore service vessels.But you may not know that David Clark Company started…

China Classification Society (CCS) has issued a first Approval in Principle (AiP) certificate for the marine liquid hydrogen fuel supply system developed by Weishi Energy Technology Hebei.The system design includes a marine liquid hydrogen tank and cold box, supercooled hydrogen storage technology, heat exchange technology, regulated hydrogen supply technology and subcooled hydrogenation technology. Dual-boost functionality ensures rapid system startup, says CCS, and the system…

As alternative fuel engines start pushing into commercial sectors, the U.S. Department of Defense has taken notice, rationalizing that eventually, as alternative fuel grow in popularity, the diesel availability could drop while prices rise.To that end, Oak Ridge National Laboratory (ORNL) and Fairbanks Morse Defense (FMD) entered into a Memorandum of Understanding (MOU) to collaborate on the development and integration of alternative fuel technologies aimed at reducing the marine engine’s reliance on fossil fuels.

Corrosion and BlueStream launched ICCP-SAM, touted as sustainable corrosion protection of XX(X)L monopile foundations. ICCP-SAM is designed to remotely install ICCP anodes on monopile foundations of all sizes, anywhere on the foundation and even in the roughest ocean conditions.The ICCP-SAM (Subsea Assembly Method) is compact and can be transported and deployed with minimal resources from the topside of the offshore foundation. It is operated remotely and maneuvers the anode underwater into the designated foundation entry hole. The anode is then secured to the foundation using the same tool.

HamiltonJet has unveiled a new range of high-efficiency waterjets, starting with the LTX36 model. Optimized for medium- and low-speed operation, New Zealand-based manufacturer said it has produced the first waterjet to rival the energy efficiency and bollard pull of the best propeller-based systems between zero and 30 knots.Waterjets are among the most efficient propulsion options for going fast due to the absence of hull-appendages and their highly optimized pump geometry, but HamiltonJet CEO Ben Reed noted not everyone wants to go fast.“Our customers’ needs are changing…

More than remote witnessing, more than remote data analysis, remote survey techniques are now going to aid the shift to full vessel autonomy.The technology that enables a robot to safely navigate an environment it has no prior knowledge of is called Simultaneous Localization and Mapping (SLAM). “It is the key to autonomy for any aspiring can-do inspection robot.” That’s according to ScoutDI, a participant in the REDHUS project led by DNV which is developing a prototype inspection drone.SLAM is not a specific, copyrighted piece of technology.