The geology looked promising for a major oil find in Peru.

Placid and Penrod were the brothers' two major oil companies.

In 1950 the company headquarters moved to Dallas to be near the center of the nation's major oil and gas fields.

"From the time he recruited me and formed the cartel with other major oil companies' corporate executive officers."

Until now, no infrastructure is in place to contain a major oil, or chemical spill.

The oil workers union has reached contract agreements with all the major oil companies.

As a major oil and gas consumer, China is searching for more external supples.

The island, while desolate, is home to some major oil and gas sites.

He traveled nation wide, produced contract work for several major international oil and steel corporations.

Some or all of the islands are claimed by nations in the region, and clashes could quickly follow a major oil find.