1 Free heating degree day and cooling degree day data. 2  Reports and charts for degree days, average daily temperature, cooling degree days, heating degree days, and degree day forecast.  14,000 weather stations in the United States and Canada.
In 2011, the marginal cost of production for oil was $92.26 for the 50 largest listed oil and gas companies, according to the Wall Street Journal.This will climb to $100 a barrel in 2012.n 2011, the marginal cost of production for oil was $92.26 for the 50 largest listed oil and gas companies, according to the Wall Street Journal.
The production cost of extra heavy oil and oil from sand ranges from $6.6 to $13.1/GJ. Oil from oil shale is more costly and ranges from $8.2 to $19.7/GJ. As a comparison, the cost of conventional oil ranges typically between $1.6 to $6.6/GJ, with some exceptions.