We have 23 entries in our Glossary for this letter.
A device which ensures that the wearer has a continuously available supply of uncontaminated air through a face mask; helmet or mouthpiece.
Often referred to as a BA set.
British Approvals Service for Electrical Equipment in Flammable Atmospheres - UK based testing institute and Notified Body.
Best Available Techniques
Often refered with respect to pollution reduction. More onerous than ALARP.
The perimeter surrounding the processing area and included process equipment of a process plant.
Serial communications data transmission rate expressed in bits per second.
bbl - Barrel
A volumetric unit of measure for crude oil and petroleum products. Derived by the original use of spent whiskey barrels to hold oil in the 1800s.
One barrel equals 42 U.S. gallons, equivalent to 158.978 litres.
Bubbling Fluidised Bed
British Helicopter Advisory Board
Boiling Liquid Expanding Vapour Explosion
Uncontrolled flow of gas and/or oil or other well fluids from a well during drilling.
Basis of Design
BOD - BiologicaL Oxygen Demand
The amount of oxygen used for biochemical oxidation by a unit volume of water at a given temperature and for a given time.
Used as an index of the degree of organic pollution in water.
Chemical Oxygen Demand
BoE - Barrel of Oil Equivalent
A measure of gas. A BoE has similar energy content as a barrel of Oil. Approx 167 MMscf depending on calorific value of the gas.
BOM - Bill Of Materials
A listing of materials for a job. The result of a Material Take Off.
BOP - Blow Out Preventor
Hydraulically or mechanically actuated valve installed at the wellhead to control pressure within the well.
BOPD - Barrels of Oil per Day
Unit of measurement of crude oil produced by a well or a field. The volume of a barrel is equivalent to 42 US gallons (0.16 metres cubed).
Basic Offshore Induction and Emergency Training - mandatory course required prior to visiting UK offshore Oil & Gas installations.
Guide to Offshore Working
Barrels per Stream Day - A unit of flow measurement used on refineries.
BSI - British Standards Institution
Responsible for the preparation of UK National Standards prefixed BS *** and publication of harmonised standards in the UK prefixed BS EN ***.
BTU - British Thermal Unit
A unit of energy i.e. the amount of energy required to raise the temperature of 1 pound of water 1 degree Fahrenheit when the water is near 39.2 degrees Fahrenheit.
A conducting bar that carries heavy current to supply several electric circuits.
Eight related bits of data or an eight-bit binary number. Also denotes the amount of memory required to store one byte of data.
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