Petrobras PBR, the Brazilian state-owned energy company, has announced the extension of its existing contracts for two offshore drilling rigs owned by Constellation Oil Services. This news ...

A new Constellation sign is placed on the side of 750 E. Pratt St. Thursday. The company was acquired earlier this year by Exelon Corp. Expand to read more Exelon Corp. is starting to show its ...

Petrobras PBR, the Brazilian state-owned energy company, has announced the extension of its existing contracts for two offshore drilling rigs owned by Constellation Oil Services. This news coincides ...

LUXEMBOURG, July 22, 2019 /PRNewswire/ -- Constellation Oil Services Holding S.A. ("Constellation" or the "Company") announced today that three of the Company's ultra-deepwater (UDW) rigs, Alpha ...