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B
Basin
Depression of the Earth’s crust where sedimentary rocks accumulate, which may contain oil and/or gas, whether associated or not.
Bbl/day
Barrels per day.
Oil barrel or bbl
A stock tank barrel, a standard measure of petroleum volume corresponding to about 159 liters.
Boe (barrel of oil equivalent)
Volume measure of gas converted to barrels of oil using a conversion factor (1,000 m³ of gas = 1 m³ of oil/condensate and 1 m³ of oil/condensate = 6.29 barrels).
Block(s)
Part(s) of a sedimentary basin, with a polygonal surface defined by the geographical coordinates of its vertices and undetermined depth, where exploration or production activities of petroleum and natural gas are developed.
Bbl/day
Barrels per day.
Bpd
Barrels per day.
Brent
Mixture of petroleum produced in the North Sea, originating from the Brent and Ninian petroleum systems, with an API degree of 39.4° and sulfur content of 0.34%.
BOP (Blowout Preventer)
Also known as a blowout preventer, it is a safety device used on oil platforms to prevent blowouts during the drilling or production of oil wells. It consists of a set of valves and mechanical devices that are automatically or manually activated in case of emergency, preventing subsurface content from reaching the sea.
Bunker
High-viscosity fuel, formulated from heavy (residual) fractions of petroleum with suitable diluents for combustion according to the Diesel cycle, used for fueling ships.