The Expo Square Pavilion, is a 6,311-seat multi-purpose arena in Tulsa, Oklahoma. An arena is an enclosed area often circular or oval-shaped designed to showcase Theater, musical performances or sporting events It was built in 1937. Year 1937 ( MCMXXXVII) was a Common year starting on Friday (link will display the full calendar of the Gregorian calendar. It was home to the Tulsa Oilers Central Hockey League team. The Tulsa Oilers are a professional Ice hockey team in the Central Hockey League. The Central Hockey League (CHL is a mid-level Professional hockey league owned by Global Entertainment Corporation. It is now home to the Tulsa 66ers of the NBA Development League. The Tulsa 66ers are an NBA Development League team based in Tulsa, Oklahoma and the minor league affliate of the Oklahoma City Thunder The NBA Development League, or D-League, is the National Basketball Association 's officially sponsored and operated developmental Basketball organization