Short answers, pulled from the story.
Paycom Center opened on the 8th of June, 2002, and was originally called the Ford Center. The name came from a naming rights deal with the Oklahoma Ford Dealers group, which represented the state's Ford dealerships rather than the Ford Motor Company itself.
Hurricane Katrina devastated New Orleans in 2005 and left New Orleans Arena unusable, so the NBA arranged for the Hornets to temporarily relocate to what was then the Ford Center in Oklahoma City. The team played there for the 2005-06 and 2006-07 seasons, during which time it was called the New Orleans/Oklahoma City Hornets.
Clay Bennett's Professional Basketball Club LLC purchased the Seattle SuperSonics in 2006 and relocated the franchise to Oklahoma City after NBA ownership approved the move on the 18th of April, 2008. The team announced its new name, the Oklahoma City Thunder, on the 2nd of September, 2008, and began playing at what was then the Ford Center.
Chesapeake Energy Corporation held a 12-year naming rights deal with the Thunder starting in 2011 at an initial annual cost of $3 million. After the company filed for Chapter 11 bankruptcy on the 28th of June, 2020, carrying $9 billion in debt, it terminated the naming rights agreement on the 20th of April, 2021, as part of its corporate restructuring.
Paycom Center seats 18,203 in the basketball configuration, 15,152 for hockey, and up to 16,591 for concerts. The facility can hold up to 19,711 people across three seating levels with a fourth level added during concerts.
On the 11th of March, 2020, a scheduled game between the Oklahoma City Thunder and the Utah Jazz at the arena was postponed after Jazz center Rudy Gobert tested positive for COVID-19. The NBA immediately suspended the remainder of the 2019-20 season, an announcement that preceded the suspension of sports events across North America.