TULSA, OKLA. — Harbor Group International has acquired a $31.5 million tranche of debt from JPMorgan Chase Bank. The debt is secured by One and Two Warren Place, two office towers located in the Yale Corridor of Tulsa. One Warren Place is a 20-story tower than contains 469,907 rentable square feet, and is currently 85 percent occupied. Two Warren Place is a 19-story tower that contains 485,576 square feet, and is 94 percent occupied. Harbor Group International acquired the loans through its HGI Debt Opportunity Fund.