Five people remained missing after an explosion and fire on a drilling rig at a natural gas well in Pittsburg County, Okla., west of Quinton. The blast happened about 9 a.m. Jan. 22.
Red Mountain Energy of Oklahoma City operates the well and Patterson-UTI Energy Inc. of Houston owns the rig, emergency officials said.
The Pittsburg County sheriff said more than 20 people were working on the rig when it exploded. The derrick collapsed from the fire’s heat, responders said.
The cause of the explosion remaines under investigation. The Oklahoma Highway Patrol, the sheriff's office, and other first responders were on the scene.
