NEW : Halliburton says BP 's report has `` substantial omissions and inaccuracies '' Report lays much of the blame on contractors Halliburton and Transocean . The company said it is working with government officials to resolve these issues, but did not provide any further details about its plans for future business in Libya. Appearing before the investigative board , Gagliano said he told BP that the well design did not have enough centralizers -- devices used to position the cement casing around the well bore . Previous testimony pointed fingers at BP well design .
NEW : Halliburton says BP 's report has `` substantial omissions and inaccuracies '' Report lays much of the blame on contractors Halliburton and Transocean . The company said it is working with government officials to resolve these issues, but did not provide any further details about its plans for future business in Libya. Previous testimony pointed fingers at BP well design .