a measure of volume for petroleum products in
the United States, One barrel is the equivalent of
42 US gallons.
liquid petroleum. It ranges in density
from very light to very heavy an
d in color from
yellow to black.
drilling for oil or gas in an ocean, gulf, or sea
a machine which creates holes (usually called
and/or shafts in the ground.
a lаrge structure used in
workers and machinery needed to drill wells in
the ocean bed
search for reservoirs of oil and gas, including
aerial and geophysical surveys, geological
studies, core testing, and drilling of wildcats.
a bureau in the
Department of the Interior
is the Federal agency that manages the nation's
natural gas, oil and other mineral resources on
outer continental shelf