Satellite photo of Gulf oil spill (Getty Images)

Halliburton Co. has admitted that it skipped performing a critical test on the final formulation of cement used to seal the BP oil well that blew out in the Gulf of Mexico. The company, which was BP's cementing contractor, said that at the last minute, BP increased the amount of a critical ingredient in the cement mix. While an earlier test showed the cement was stable, the company never performed a stability test on the new blend. The cement's failure to prevent oil and gas from entering the well has been identified as one of the causes of the April 20 disaster. Had the cement done its job, it would "have prevented hydrocarbons from entering the well" and triggering the explosion. Halliburton is always in the mix, pun intended, and attached to some nonsense. No words, except busted and disgusted.

Read more at MSNBC.