Base on GCVs for:
Natural Gas : 9,500 Kcal/SM3 Coal : 6,880 Kcal/Kg Oil : 10,660 Kcal/Kg
1 BCM (Billion Cubic Metre/year of gas
(consumption of production) 1 TCF
(Trillion Cubic Feet) of Gas Reserve
= 2.8 MMSCMD
=4 MMSCMD
2.74 MMSCD (365 days/year)
= 3.88 MMSCMD (100% Recoverable for 20 years @ 365 days/annum)
Specific Gravity of gas
Density of gas
= 0.65
=0.75 kg/SCM