The companies involved in the drilling process are blaming each other for the disaster . Alwin Landry 's supply vessel was alongside Deepwater Horizon at time of blast . Landry said first sign of trouble was when drilling ` ` mud '' began leaking onto his ship . He radioed rig 's bridge and was told he should move his ship away . rig sank August 22 , two days after explosion ; all crew dead ; oil still gushing into Gulf .
Alwin Landry 's supply vessel was alongside Deepwater Horizon at time of blast . Landry said first sign of trouble was when drilling ` ` mud '' began leaking onto his ship . He radioed rig 's bridge and was told he should move his ship away . rig sank August 22 , two days after explosion ; all crew dead ; oil still gushing into Gulf .