Why do USGS oil and gas resource assessments differ from other oil and gas assessments from other agencies or industry?
This question cannot be answered clearly because the methods used by those organizations to estimate oil and gas resource volumes are often not publicly available to compare step-by-step. One common reason different organizations get different results is based on what the assessments include. USGS estimates are for undiscovered, technically recoverable oil and gas resources. The USGS does not...