bbl

Barrel= 42 gallon= 159 liter= 0,137 metric tons  10.000 bbld=1590 m3/d

bcf

billion cubic feet

bcpd

barrels of condensate per day

boe

barrels of oil equivalent (1 boe = 10mcf) ;m3gas×0,0062=1 boe

boe/d

barrels of oil equivalent per day

bopd

barrels of oil per day

mbbls/d

thousands of barrels per day

foot

sqf

0,304 meter

0,0924 sqm, 1 sqm=10,8sqf

mil

25,4 micrometer;  0,1 mm=4 mil

gallon US

3,785 liter

gallon UK

4,546 liter

cuft

0,0283 m3; 28,3 liter; 35,3 cuft=1 m3

mcf

thousand cubic feet=  28,3 m3

mcf/d

thousand cubic feet per day

mm

millions

mmbbls

million barrels 159 000 m3

mmboe

million barrels of oil equivalent

mmcf

million cubic feet

mmcf/d

million cubic feet per day =28000 m3/d

mmstb

millions of stock tank barrels of oil

lb

 0,453 kg

lb/bbl

2,8 gram/liter=2800 ppm=0,28%

lb/USgal

120 kg/m3

lb/cft

16 kg/m3

bbl/d

1,84 E-3 liter/sec

cft/sec

28 liter/sec

BTU

1,05 kJ 1cft water 1°F =0,251 kcal

BTU/lb

2,326 kJ/kg

BTU/cft

37,25 kJ/m3

BTU/lb°F

4,186 kJ/kg°C

BTU/lbmol°F

4,186 kJ/kmol°C

BTU/sec

1,05 kW

BTU/hr*ft2

3,156 W/m2 heat flux

BTU/hr*ft2*°F

5,68 W/m2°C

379 cft/lbmol

22,41 m3

-460 °F

-273 °C (212,32); 1,8 °F=1 °C Rankine=°R=°F+460

psi

 0,0689 bar

14,696 psi

1 atm=760 Hgmm 0°C=101.325 kPa=406,8 in WC=29,921 in Hg

14,51 psi

1 bar

Runiv

 8,3144 kJ/kmol°K=1545 lbf.ft/lbmol°R

standard gravity

9,81 m/sec2=32,174 ft/sec2

slug

mass unit for BG 1 slug weights 32,174 lb

lb/mmc f

0,453/28300 m3=16 gramm/em3, 16 kg/mill m3

USgal/lb

3,78 liter/0,453 kg=8,35 liter/kg

PTB

Pounds of salt/thousand barrels of oil=2,8 mg/liter