Agence France-Presse: Close to 250 lawsuits or claims have been filed against Transocean, the company which owns the BP-leased offshore rig behind the huge Gulf of Mexico oil spill, a filing by the firm showed Thursday. “As of August 2, 2010, 249 legal actions or claims have been filed against Transocean entities, along with other unaffiliated defendants, in state and federal courts,” said the Swiss-based group. “Additionally, government agencies have initiated investigations into the Macondo well …