3 workers killed in West Texas oil field rig explosion

An oil field rig has exploded in West Texas, killing three workers.

Investigator Dusty Kilgore of the Upton County Sheriff's Office said the accident happened Tuesday morning at a well site near Rankin, about 40 miles south of Midland.

Kilgore says one other person working at the well survived the blast and was not taken to a hospital.

He did not release the names of those killed.

The well is owned by Parsley Energy of Midland. Kilgore said a pulling unit crew was working at the site when the explosion happened, but he provided no other details.