Rocks & mirror
WÄRTSILÄ
Encyclopedia of Marine and Energy Technology

W

181 results

Welding operator

marine

One who operates adaptive control, automatic, mechanized, or robotic welding equipment.

Welding procedure

marine

The detailed method and practice involved in producing a specific weld.

Welding sequence

marine

The order of making the welds in a weldment.

Welding shrinkage

marine

Distortion of weldments created by localized heating of the metal being joined together.

Well

marine

Space in the bottom of a ship to which bilge water drains so it may be pumped overboard. Any area on the deck exposed to the weather, where water may be entrapped.

Well drilling

energy

Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring.

Well fluid properties

marine

The condition of a well or reservoir defined by depth, temperature, shut-in pressure, flow rate, well fluid composition, etc (ABS).

Well intervention

energy

A well intervention, or well work, is any operation carried out on an oil or gas well during, or at the end of, its productive life that alters the state of the well or well geometry, provides well diagnostics, or manages the production of the well.

Well intervention vessel

marine

A dynamically positioned (DP) ship-shaped offshore unit provided with equipment for well stimulation or maintenance (e.g. coil tubing).

Well logging

energy

Well logging, also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a borehole.

Well maintenance

marine

Worldwide there are more than 3000 subsea wells and, to increase the oil recovery from these wells, there is a demand for an efficient live well intervention service.

Well test (oil and gas)

energy

In the petroleum industry, a well test is the execution of a set of planned data acquisition activities.

Well Test Systems

marine

Facilities installed on vessels or mobile offshore drilling units (MODUs) for the purpose of evaluating the quality and/or quantity of well fluid to determine whether the well should be completed for production or plugged and abandoned.

Wellhead

energy

A wellhead is the component at the surface of an oil or gas well that provides the structural and pressure-containing interface for the drilling and production equipment.

Western Interconnection

energy

The Western Interconnection is one of the two major alternating current (AC) wide area synchronous power grids in the continental U.S. power transmission grid.

Wet bulb temperature

energy

The wet-bulb temperature is the temperature read by a thermometer covered in water-soaked cloth over which air is passed.

Wet cell battery

energy

A wet cell battery has a liquid electrolyte.

Wet gas

energy

A wet gas is any gas with a small amount of liquid present.

Wet scrubber

energy

A device that remove pollutants from a furnace flue gas or from other gas streams.

Wet Steam

energy

Water vapor that includes water droplets is described as wet steam.

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