The most common type of discontinuities are: cracks, incomplete fusion, slag inclusions, porosity, undercut. Imperfections...
A preferential corrosion of the weld deposit due to an electrolytic action between the weld metal and base metal.
The capacity of a material to be welded under the imposed fabrication conditions into a specific, suitably designed...
One who performs a manual or semiautomatic welding operation.
A written certification that a welder has produced welds meeting a prescribed standard of the performance.
To ensure that a welder possesses the necessary skils to produce a sound weld he must complete a test piece which...
A joining process that produces coalescence of materials by heating them to the welding temperature, with or without...
The equipment used to perform the welding operation. For example: spot welding machine, arc welding machine, and...
One who operates adaptive control, automatic, mechanized, or robotic welding equipment.
The detailed method and practice involved in producing a specific weld.
The order of making the welds in a weldment.
Distortion of weldments created by localized heating of the metal being joined together.
Space in the bottom of a ship to which bilge water drains so it may be pumped overboard. Any area on the deck exposed...
The condition of a well or reservoir defined by depth, temperature, shut-in pressure, flow rate, well fluid composition...
A dynamically positioned (DP) ship-shaped offshore unit provided with equipment for well stimulation or maintenance...
Worldwide there are more than 3000 subsea wells and, to increase the oil recovery from these wells, there is a...
Facilities installed on vessels or mobile offshore drilling units (MODUs) for the purpose of evaluating the quality...
Equipment used to secure and seal the casings and production tubing and to provide a mounting place for the Christmas...
A new technology using a remotely-operated vehicle (ROV) for hull survey developed by Det Norske Veritas.
The NOx reduction technology developed by Wärtsilä. Pressurized water is added to the intake air after the turbocharger...