explore something for oil

The rig count measures the number of rigs being used to explore for oil.

In 1933 an American company was permitted to explore for oil.

In spite of the declining reserves, some independent operators continue to explore for oil.

A. We long ago learned to explore for oil and gas in an environmentally responsible fashion.

At the same time, most of China has already been explored for oil, making it unlikely that significant new reserves remain to be found.

The well would be in the deepest water ever explored for oil.

The Government has allowed 10 foreign companies to explore for oil in the past year.

By comparison, 905 rigs were exploring for oil and gas a year ago.

But many are interested in exploring for oil and gas in China's western regions.

The President's proposals disappointed companies that explore for oil and natural gas.