These are the most frequently used words in this book.
2004
abqaiq
almost
amount
another
arab
arabia
arabian
aramco
area
barrels
berri
billion
capacity
challenges
company
complex
cost
data
day
decades
decline
development
discovery
drilling
early
effort
end
energy
even
exploration
far
fields
first
flow
formation
found
four
future
gas
ghawar
giant
great
high
horizontal
however
increase
injection
key
kingdom
last
million
natural
need
new
now
number
oil
oilfields
once
output
paper
part
peak
per
percent
petroleum
point
pressure
prices
problems
produce
produced
producing
production
program
proven
rates
recovery
report
reserves
reservoir
rock
saudi
soon
source
spe
still
supply
technical
technology
three
time
two
volumes
water
wells
world
years
zone