TY  - RPRT
TI  - USGS assessment shows 20% climb in oil reserves, 130% for NGL, 14% reduction for gas Offshore resources half of undiscovered potential
AU  - Thomas S. Ahlbrandt
PY  - 2001
UR  - https://pubs.usgs.gov/publication/70023430
ID  - 70023430
ER  -