Two people were injured after an oil rig collapsed Monday afternoon. It happened at about 2 p.m. in a pumping unit area when the oil derrick collapsed and forced other material to fall on top of it.

Used to rotate the drill string during the drilling process, the top drive is a motor that is suspended from the derrick, or mast, of the rig. These power swivels boast at least 1,000 horsepower ...

It was contracted by formerly Trinmar to drill for oil and began operating ... causing the rig to lean on the starboard side. The derrick, which is on the rig floor, wasn’t designed to lean ...