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CONVERSION FACTOR
Conversion Factors Commonly Used in Oil & Gas Industry
   
Volume
1 Barrel
=
42 US Gallons
t
=
34.9726 Imperial Gallons
t
=
158.987 litres
t
=
5.6146 cu. ft.
t
=
0.159 cu. metres
t
=
9,702 cu.inch
t
t
t
1 cu. metres
=
1,000 litres
t
=
1,000,000 cu. cm (cc)
t
=
35.3147 cu. ft.
t
=
6.28976 Barrels
t
t
t
1 acre-foot
=
43,560 cu. ft.
t
t (rock volume) = 1,233.8 cu. metres
t
Length, Depth,Distance
1 mile
=
1.60934 kilometre (km)
t
=
1,760 yards = 5,280 ft.
1 nautical mile
=
1.852 kilometre (km)
1 metre
=
3.281 ft.
t
=
39.37 inches
t t t
Area t t
1 sq. km.
=
100 hectares
t
=
247.1 acres
t
=
0.386 sq. mile
1 sq. mile
=
640 acres
t
t
t
Pressure
1 Bar
=
14.503 psi
t
=
0.98692 atm
t
=
29.53 inch Hg.
t
=
100,000 Newton/m²
t
=
100 kilo Pascal (kPa)
t
t
t
1 atm
=
14.6959 psi
t
=
1.01325 Bar
t
=
760 mm. Hg. (torr)
t
=
29.9213 in. Hg.
t
=
101.325 kPa
t t t
Density
1 gm/cu.cm
(cc)
=
1 kg per litre
t
=
1000 kg per cu.metre
t
=
62.428 lb / cu.ft
t
=
0.4335 psi / ft
t
=
8.345 lb / US Gallons (ppg)
Power
1 kiloWatt
=
1.34 horsepower (HP)
t
=
3412 BTU/hour
t
=
0.8598 kilo Calorie/hours
t
=
1,000 Joules/second
t
Energy
1 kiloWatt hour
=
3.6 x 106 Joules
t
=
859.8 kiloCalories
t
=
3412 BTU
t
t
t
Rates of Production/Flow
1,000 Barrels per day
=
50,000 Tonnes per year
(100,000 B/D = 5 millions MT/Y)
100 million cubic feet per day
=
36.5 BCF per year (109)
t
t
1,000 million cu.metres per year
t t 365 million Therms per year
t
Gas, Oil and Coal Equivalent Fuel Values
(approximate only, actuals dependent on weight & density & heat value)
1 Barrel Crude Oil = 5,800 cu.ft. Natural Gas
t t 0.212 tonnes Coal
t
  1,700 kilowatt-hours Electricity
t   5.8 x 106 BTU
t   1.462 x 106 kiloCalories
t t t
1 million Standard Cubic Feet (MMSCF) of natural gas = 172 Barrels of Crude Oil (approx.)
1 cu.ft. Natural Gas = 1,000 BTU (100 cu.ft.
= 1 Therm)
= 252 kiloCalories
1 cu. metre Natural Gas = 35,315 BTU
t t t
Weight,Mass
1 metric ton
=
2,204.6 pounds (lb.)
t
t
1,000 kilograms (kg)
1 long ton
=
2,240 lbs.
1 short ton
=
2,000 lbs.
t t t
     
Crude Oil Gravity °API Barrels per Metric Tonne @ 60°F/15°C
t 45
40
35
30
25
20
15
7.9
7.6
7.4
7.2
7.0
6.8
6.5
An "average" value of 7.5 bbls/mt, equivalent to 37°API, is often used
Product fractions LPG Liquids
Gasoline (pool)
Middle Distillates
Fuel Oils
Marine Bunker Fuel Asphalt
10.9
8.5 }
7.5 }
6.8 }
6.3
6.1
Average often used.
(Kerosene 7.7 BBL/MT)
 
 
 
 
 
 
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