Screw air compressor switch time setting

They are used to keep the pressure in a tank between a pre-set lower and upper pressure. When the tank pressure crosses the upper or lower limit, an electrical switch is operated. Normally Closed (NC) switch. [pdf]

Permian basin drilling rig count

Permian Region Rig Count is at a current level of 317, up from 315 last month and down from 356 one year ago. This is a change of 0.63% from last month and -10.96% from one year ago. View monthly updates and historical trends for Permian Region Rig Count (DISCONTINUED). [pdf]