TY  - SER
AU  - Lledare,Omowumi O.
AU  - Pulsipher,Allan G.
AU  - Pulsipher,Allan G.
TI  - Trends in U.S. oil exploration, reserves warn of trouble: Since the late 1970s, the U.S. has pushed back the "reserve crunch" only marginally, and a continuous production decline appears inevitable. Too many incremental reserve additions come from existing field revisions, while exploratory drilling fails to keep pace
ER  -