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a retractable platform in the upper part of
the derrick on which the derrick man
stands in order to align two sections of
pipe which are to be pined
Bunter
the lowest series of formations laid down
during the Triassic Period of geological
time, it includes sandstones that sometimes
contain hydrocarbon traps
Bar
unit of pressure One bar is equal to
0 987 standard atmospheric pressure or
14 50 pounds per square inch
Barrel
the unit of volume measurement used for
petroleum and its products, 1 barrel = 42
U S gallons, 35 Imperial gallons (approx),
or 159 liters (approx), 7 3 barrels = 1 ton
(approx), 6 29 barrels = 1 cubic meter
Barge
a non-self-propelled vessel used as a
base for drilling equipment, to carry
cranes, support facilities, accommodation
modules, etc, to lay underwater
pipelines or to transport crude oil or its
products over short distances
Bury barge
a barge used to dig a trench for an
underwater pipeline
Lay barge
a specially designed barge used to lay
an underwater pipeline, also called а ч
pipe laying barge
Barite
another name for barytes barium sulphate
- a heavy mineral added to drilling
mud in order to increase its specific gravity
(weight)
Barometer
an instrument for determining atmospheric
pressure
Scrubbing
purification of a gas or liquid by washing
it in a contact vessel
Anhydrous
a substance which contains no water
Anhydrous ammonia
"dry" ammonia, i e ammonia containing
no dissolved water, one of the most
important petroleum-derived raw materials
used in the chemical industry
Gasoline
see motor spirit
Benzene
an unsaturated ring compound with delocalized
electrons containing six carbon
atoms (C6H6), one of the most important
petroleum-derived raw materials used in
the chemical industry
Bentonite
clay added to drilling mud, also called
smectite or gel
Concrete platform
a production platform made of reinforced
concrete rather than steel
Bitumen
a mixture of extremely heavy hydrocarbons
obtained from the residue refining
process, used for road surfacing,
roofing, etc
Blanketing
to replace the air in or around process
equipment with an inert gas, such as
nitrogen, to reduce oxidation, explosion
or fire hazards
Blocks
the block and tackle system in a
derrick that is used to raise and lower the
drill string - see crown block and traveling
block
Farm in
where one company acquires an interest
in an exploration or production license by
paying some of the past or future costs of
another company which is relinquishing
part of its interest
Crew
see drilling crew
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