Diamond Offshore Drilling, Inc. (NYSE: DO) today announced it has entered into a drilling contract with an independent operator to utilize the Ocean BlackRhino for work offshore Guinea-Bissau. The Ocean BlackRhino was awarded a one-well contract with a minimum duration of 30 days representing $15.4 million of additional backlog, excluding mobilization. Work under the new contract is expected to commence in July 2024 in direct continuation of the rig's current contract.