Units of Measurement

    
Gas

Mcf	thousand cubic feet
Mcfd	thousand cubic feet per day
MMcf	million cubic feet
MMBtu	million British thermal units
Bcf	billion cubic feet
Tcf	trillion cubic feet
cubic meter	35.3 cubic feet

Oil

Bbls	barrels
Bpd	barrels per day
Mbbls	thousand barrels
MBpd	thousand barrels per day
MMBbls	million barrels
MMBpd	million barrels per day

Equivalent

Bcfe	billion cubic feet of gas equivalent
Boe	barrel of oil equivalent
Six Mcf of gas is the energy equivalent of one barrel of oil.

Electricity

kW	kilowatt (1,000 watts)
MW	megawatt (1 million watts)
GW	gigawatt (1 billion watts)
TW	terawatt (1 trillion watts)
kWh	kilowatt hour (1,000 watt hours)
MWh	megawatt hour (1 million watt hours)
GWh	gigawatt hour (1 billion watt hours)
TWh	terawatt hour (1 trillion watt hours)