Winnipeg Free Press By: The Canadian Press Calgary producer Spartan Delta Corp. says it has agreed to buy private rival Inception Exploration Ltd. and two packages of oil and gas assets in northwestern Alberta for a total of $148 million in cash and shares. Calgary producer Spartan Delta Corp. says it has agreed to buy private rival Inception Exploration Ltd. and two packages of oil and gas assets in northwestern Alberta for a total of $148 million in cash and shares. The company, founded last spring through a recapitalization of Return Energy Inc. that put in place a new management team, says it has also arranged an $80-million equity financing through National Bank Financial.