Cman
1 boe= approx 6000 cf of gas (figures vary depending on oil type but it is worked out roughly on a joule for joule basis)
From that 1 bcf roughly = 1pj = 166 000 boe
1 tcf = 1000pj= 166 million boe
Note I could have this wrong so definitely verify it before making any investment decisions.
Cheer
Hendrous
PES
pepper residential securities trust no. 21