Halliburton pleaded guilty to a misdemeanor charge stemming from the deletion of data during a post-spill review of the cement job on BP's blown-out Macondo well.
The Houston-based company could have withdrawn its guilty plea if US District Judge Jane Triche Milazzo had rejected its deal with the Justice Department.
Milazzo said she believes the plea agreement is reasonable and agreed with prosecutors and the company that it "adequately reflects the seriousness of the offense."
The company was BP PLC's cement contractor on the drilling rig that exploded in the Gulf in April 2010, killing 11 workers.
Unlike BP and rig owner Transocean Ltd., Halliburton has not been charged with a crime related to the causes of the disaster. The charge to which it agreed to plead guilty a misdemeanor count of unauthorized destruction of evidence involved a post-spill review of the cement job on BP's blown-out Macondo well.
Halliburton won't face any other criminal charges in connection with the case, though individual employees could still be charged.
BP resolved a Justice Department criminal probe of its role in the Deepwater Horizon disaster when it pleaded guilty in January to manslaughter charges for the deaths of the rig workers and agreed to pay a record USD 4 billion in penalties.
In a court filing last week, Halliburton and prosecutors said their plea agreement imposes "fair, just, and appropriate corporate punishment" and reflects the company's "full, truthful and ongoing cooperation" with the government's spill probe.
