Oil Rig Explosion, Offshore Drilling | featured news

Halliburton and BP knew weeks before the blast on a rig in the Gulf of Mexico that the cement mixture they planned to use to seal the well was unstable, a commission found.

There is no sign of an oil spill after a rig caught fire in the Gulf of Mexico, a spokesman for rig operator Mariner Energy said.

An offshore oil rig has exploded in the Gulf of Mexico, west of the site of the April blast that caused a massive oil spill.

Administration wants investigations into a rig explosion in the Gulf of Mexico to be completed before any expansion of offshore oil drilling.