48 Case Studies in Business Ethics and Corporate Governance
and improving the production effi ciencies of traditional energy supplies. As of 2001, production of
energy has been around 70 Quadrillion Btu (QB), whereas the consumption is recorded as 100 QB. For
the same period, exports had been around 5 QB and imports around 25 QB.
Natural Gas
Production
US natural gas production and consumption were close to balance through 1986. When consumption
started to outpace production, imports were increased to meet the requirements. Gas well productivity,
measured as gross withdrawals per day per well, peaked in 1971, and then fell until the mid-1980s.
Productivity remained steady after 1985.
Consumption
Net imports as a share of consumption registered ...