TY - RPRT TI - Variability of distributions of well-scale estimated ultimate recovery for continuous (unconventional) oil and gas resources in the United States AU - U.S. Geological Survey Oil and Gas Assessment Team PY - 2012 DO - 10.3133/ofr20121118 UR - https://pubs.usgs.gov/publication/ofr20121118 ID - ofr20121118 ER -