About 46 test wells had been drilled in the basin.

We put four test wells on the property to monitor the underground water.

Full shale gas production depends on successful results from 15 test wells.

We can drill some test wells in the next two or three months that will give us some indications.

Amounts in test wells near the building were higher than Federal safety standards.

But he said test wells should be considered.

The botanical garden financed the test wells with $50,000 in private money.

The company said it would spend $60 million to drill three test wells over the next three years.

Thirteen test wells were drilled offshore in the late 1970s and early 1980s.

Near the Sable development, three other companies are drilling 15 test wells this year.