At a producing well site, active wells may be further categorised as:

The community is within the administrative boundaries of the oilfield, and active wells surround the town.

Kuwait produced an average of 1.8 million barrels a day in 1989 from 365 active wells.

The major source of potable water for the island is groundwater, obtained from 14 active wells.

In 2000 there were 36,000 active wells; now there are roughly 71,000, with an estimated 20,000 more planned.

By 1902, 285 active wells were operating on Spindletop Hill.

As of the beginning of 2009, there were 34 active wells on the field.

The purchase included not only 2,400 active wells on 600,000 acres, but a gas processing plant.

It had 9,183 active wells, the second highest in the state.

By the end of 1979 there were 1,571 active wells in the state.