The system of loading of a shuttle tanker directly from the production platform developed by Statoil and the Maritime Consulting Group.

A self-propelled craft capable of carrying personnel and/or passengers while operating underwater, submerging, surfacing and remaining afloat.

A submersible pump is a device which has a hermetically sealed motor close-coupled to the pump body.

Oil and gas fields reside beneath many inland waters and offshore areas around the world, and in the oil and gas industry the term subsea relates to the exploration, drilling and development of oil and gas fields in these underwater locations.

Built in China at Jin Ling shipyard, and outfitted in Spain at Factorias Vulcano shipyard, BOA DEEP C is believed to be the world largest construction vessel.

Subsea Production Systems are typical wells located on the seabed, shallow or deep water.

Subsidence is the sudden sinking or gradual downward settling of the ground's surface with little or no horizontal motion.

Substation automation refers to using data from Intelligent electronic devices (IED), control and automation capabilities within the substation, and control commands from remote users to control power-system devices.

Substitute natural gas, or synthetic natural gas, is a fuel gas (predominantly methane, CH4) that can be produced from fossil fuels.

Voltages below 110kV are considered to be subtransmission level voltages.

A sucker rod is a steel rod, typically between 25 and 30 feet (7 to 9 meters) in length, and threaded at both ends, used in the oil industry to join together the surface and downhole components of a reciprocating piston pump installed in an oil well.

A large hollow steel pipe forced into the seabed by means of a pump connected to the top of the pipe, creating a pressure difference.

The most luxurious and spacious of all shipboard accommodation.

Sulfur (or sulfuric acid), byproducts of sulfur removal from petroleum which may have up to a couple of percent sulfur as organic sulfur-containing compounds.

A waste gas from the combustion of fuels in engines.

Sulphur hexafluoride is an extremely potent and persistent greenhouse gas that is primarily utilized as an electrical insulator and arc suppressant.

A tanker designed to carry molten sulphur at high temperature, in independent, insulated tanks.

Built by McDermott’s Shipyards, USA, the sulphur tanker has four holds fitted with selfsupporting, insulated tanks, able to carry cargo at temperature between 127°C and 138°C.

The deepest waterline to which a merchant vessel is legally allowed to be loaded within certain specified geographical zones in the summer months, (ICLL).

The sun and planet gear is a method of converting reciprocating motion to rotary motion and was used in the first rotative beam engines.