Natural gas

Alaska and California each lost one rig.

The U.S. rig count peaked at 4,530 in 1981. It bottomed out in May of 2016 at 404.

The U.S. rig count peaked at 4,530 in 1981. It bottomed out in May of 2016 at 404.

The U.S. rig count peaked at 4,530 in 1981. It bottomed out in May of 2016 at 404.

Arkansas, Utah and West Virginia were unchanged.

Colorado and North Dakota each declined by two rigs while Ohio, Oklahoma and Pennsylvania dropped one apiece.

The rule required energy companies to capture methane gas instead of burning it or wasting it at drilling sites on public lands.

Kansas, New Mexico and West Virginia each lost one rig.

Among major oil- and gas-producing states, Oklahoma added five rigs.

The U.S. rig count peaked at 4,530 in 1981.