In one of Greenhouse 's claims , she said that military auditors caught Halliburton overcharging the Pentagon for fuel deliveries into Iraq . She also complained that Defense Secretary Donald Rumsfeld 's office took control of every aspect of Halliburton 's $ 7 billion Iraqi oil/infrastructure contract . Greenhouse was later demoted for poor performance in her position . Greenhouse 's attorney , Michael Kohn portrayed her performance reviews as punishment for criticizing the administrations , he stated in '' The New York Times '' that " she is being demoted because of her strict adherence to procurement requirements and the Army 's preference to sidestep them when it suits their needs . " On September 8 , 2010 , an internal report released by BP into the Deepwater Horizon explosion claimed that poor practices of Halliburton staff had contributed to the disaster . Investigations carried out by the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling found that Halliburton was jointly at fault along with BP and Transocean for the spill . The concrete that Halliburton used was an unstable mixture , and eventually caused hydrocarbons to leak into the well , causing the explosion that started the crisis
Deepwater Horizon explosion
Deepwater Horizon explosion
Halliburton