Trinidad Drilling rig 224 at sunrise Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Trinidad Drilling rig 224 at sunrise Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Trinidad Drilling rig 224 at sunrise Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Trinidad Drilling rig 224 at sunrise Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Trinidad Drilling rig 224 at sunrise is visible behind a Parsley Energy employee’s hardhat reading “Think Safety” on Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Floorhands Juan Franco, left, and Josh Latham, right, work to attach sections of pipe onboard Trinidad Drilling rig 224 Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Floorhands Juan Franco, left, and Josh Latham, right, work to attach sections of pipe onboard Trinidad Drilling rig 224 Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Thomas Summers, a Trinidad driller, monitors operations and works the crane onboard Trindad drilling rig 224 on Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Thomas Summers, a Trinidad driller, monitors operations and works the crane onboard Trindad drilling rig 224 on Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Trinidad Drilling rig 224 Tuesday, July 18, 2017 in Reagan County, Texas.. James Durbin for the Wall Street Journal
Employees with ProPetro Services monitor a coil tube fracturing operation on Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Employees with ProPetro Services monitor a coil tube fracturing operation on Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Employees with ProPetro Services monitor a coil tube fracturing operation on Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Coil tube fracturing operation photographed Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Coil tube fracturing operation photographed Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Coil tube fracturing operation photographed Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Sand silos used for a coil tube fracturing operation photographed Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Chemicals and sand silos utilized in a coil tube fracturing operation photographed Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
A water transfer employee monitors water tanks used for a coil tube fracturing operation Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Coil tube fracturing operation photographed Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Coil tube fracturing operation photographed Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Coil tube fracturing operation photographed Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Coil tube fracturing operation photographed Tuesday, July 18, 2017, in Reagan County, Texas. James Durbin for the Wall Street Journal
Casey Wallace, lease operator (left), and Morgan Martinez, compressor foreman (right), monitor a Parsley Energy oil well facility Tuesday, July 18, 2017, in Midland County. James Durbin for the Wall Street Journal
Steve Wilke, lease operator, monitors a Parsley Energy oil well facility Tuesday, July 18, 2017, in Midland County. James Durbin for the Wall Street Journal
Lease operators Casey Wallace, left, and Steve Wilke, right, monitor a Parsley Energy oil well facility Tuesday, July 18, 2017, in Midland County. James Durbin for the Wall Street Journal
Lee Reyes, flowback operator with Covenant Testing Technologies, monitors production at a Parsley Energy oil well facility Tuesday, July 18, 2017, in Midland County. James Durbin for the Wall Street Journal
Raw crude oil is visible inside a clear tube attached to a Parsley Energy oil well facility photographed Tuesday, July 18, 2017, in Midland County. James Durbin for the Wall Street Journal
A Parsley Energy oil well facility photographed Tuesday, July 18, 2017, in Midland County. James Durbin for the Wall Street Journal
Lease operators Steve Wilke, left, and Casey Wallace, right, monitor a Parsley Energy oil well facility Tuesday, July 18, 2017, in Midland County. James Durbin for the Wall Street Journal
Lease operators Steve Wilke, left, and Casey Wallace, right, monitor a Parsley Energy oil well facility Tuesday, July 18, 2017, in Midland County. James Durbin for the Wall Street Journal
Lease operator Casey Wallace crosses over pipes at a Parsley Energy oil well facility Tuesday, July 18, 2017, in Midland County. James Durbin for the Wall Street Journal