A U.S. district judge in New Orleans has accepted a $4 billion criminal guilty plea by BP plc over its role in the catastrophic 2010 oil spill that fouled the Gulf of Mexico…In November BP entered guilty pleas for felony counts of obstruction of Congress and for "seaman's manslaughter" for the death of 11 workers, and also pleaded guilty to two misdemeanor counts of negligent conduct under the Clean Water Act and the Migratory Bird Treaty Act…Tuesday's $4 billion deal comes on top of BP's estimated $7.8 million agreement with plaintiffs who suffered economic loss and injuries related to the spill...[refers to Transocean, Halliburton]