Federal officials said they will open a full investigation of the rig explosion that killed five workers in eastern Oklahoma last month as early indications show the failure of a critical piece of equipment may have contributed to the deadly blast. The Chemical Safety Board, an independent non-regulatory federal agency charged with investigating large industrial chemical accidents, said it sent two investigators to the rig explosion site near Quinton, Oklahoma on Jan. 24 to begin the probe. The rig, owned by Houston-based company Patterson-UTI, exploded about 9 a.m. on Jan. 22 when an uncontrolled release of natural gas from a
SOURCE: Righting Injustice › Deadly Oklahoma Rig Explosion Likely Caused By Blowout Preventer Failure
