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Electric ROV Systems Take on More Tooling
Not long ago, some people likened an ROV to simply a truck onto which kit was....
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Qualifying Lead-Acid Batteries For Use in Subsea Applications
The implementation of seafloor networks is increasing in many fields, including scientific...
Autonomous PowerBuoys Generate Power for Ocean Applications
Converting the energy from waves into electricity is certainly not a new...
Headlines
April 2012 Issue
OFFSHORE TECHNOLOGY
ALTERNATIVE ENERGY
& OCEAN ENGINEERING
COVER
The ENSCO 8501, an ultradeepwater semisubmersible rig operating in the U.S. Gulf of Mexico under a contract with Nexen Inc. (Calgary, Canada) and Noble Energy Inc. (Houston, Texas), can drill in 8,500 feet of water to a depth of 35,000 feet. (Photo courtesy of Ensco plc)
FEATURE ARTICLES
AUTONOMOUS POWERBUOYS GENERATE POWER FOR OCEAN APPLICATIONS
Dr. Philip Hart (Ocean Power Technologies Inc.) discusses the deployment of a wave energy converter device offshore New Jersey.
QUALIFYING LEAD-ACID BATTERIES FOR USE IN SUBSEA APPLICATIONS
Steven Pridie, Dr. Andreas Huster and Adrian Woodroffe (OceanWorks International) detail testing on an oil-compensated absorbed glass mat variant battery to supply power up to 3,000 meters deep.
HYDROKINETIC OSCILLATORS FOR UNDERSEA ENERGY SOURCES
Wayne Liu (Space and Naval Warfare Systems Center Pacific) shows how kinetic energy harvesters gather energy from flow-induced vibrations as a potential underwater renewable energy source.
OFFSHORE TECHNOLOGY CONFERENCE 2012
—Conference Preview
DEEPWATER OPERATIONS SHOW GROWTH IN US GULF, INTERNATIONAL REGIONS
Susanne S. Pagano reports on new oil rigs and discoveries in the offshore oil and gas market that have resulted from increased spending and improved technologies.
OCEANS'12 MTS/IEEE YEOSU
—Conference Preview
DEPLOYING GULP OIL SKIMMERS IN THE GULF OF MEXICO
Lance DeHart (Gulp Oil Skimmers LLC) recounts the work of Gulp vessels in the Deepwater Horizon oil spill cleanup.
CANADIAN HYDROGRAPHIC CONFERENCE
—Conference Preview
ELECTRIC ROV SYSTEMS TAKE ON MORE TOOLING
Jon Robertson (Saab Seaeye) characterizes how technical improvements in smaller, electric ROVs have enabled them to carry out tasks that usually require work-class ROVs.
DETERMINING TENSILE STRENGTHS OF LARGE-DIAMETER, SYNTHETIC FIBER ROPE
Michael C. Greenwood and Randy Longerich (Cortland Co. Inc.) discuss the testing of braided 12 by-12-strand rope constructions for heavy-lift applications.
ASSISTING MICRO-ROV OPERATORS DURING SURVEYS IN FRAGILE ENVIRONMENTS
David Scaradozzi, Giuseppe Conte (Universitá Politecnica delle Marche) and Laura Sorbi (Italian Institute of Technology) detail a guidance system that enables scientists with little to no training to conduct underwater surveys with ROVs.
USING SOCIAL NETWORKS, MOBILE APPS TO DISTRIBUTE TSUNAMI HAZARD WARNINGS
Dr. Jonathan Allan (Oregon Department of Geology and Mineral Industries), Dr. David L. Martin and Dr. Jan Newton (Applied Physics Laboratory) summarize the benefits of a Web platform, smartphone apps and social media in coordinating response efforts for the 2011 Tohoku earthquake.
DEPARTMENTS
NEXT MONTH:
Web-based scientific visualization software for geospatial displays and collaborative applications ... Exploratory analysis of ocean flow models on a 3D, multitouch interface ... Technical challenges in developing a high-frequency underwater acoustic communication system ... Upgrades to the East China Sea Seafloor Observatory ... UDT Europe 2012 conference preview ... EnergyOcean International conference preview ... Commercial Marine Expo conference preview.
