Halliburton previously operated the Houston Office (a.k.a. Oak Park Campus) on of land located in Chinatown and in the Westchase district. The complex included the Latin America division of Easywell, a division of Halliburton. The building first opened as a Brown and Root facility in 1979. In 2009 the Westchase campus had 1,700 employees; Halliburton plans to increase its workforce at Oak Park to 3,000 workers. At the Bellaire site Halliburton plans to build a 16-story tower, a two-story "life center," an additional parking garage, expanded child care facilities, auditoriums, and bridges to connect the many buildings. In 2009 Halliburton had about 1,000 employees worked in leased office space in Westchase. During that year Halliburton stated that it planned to vacate the leased space. The plans for the Oak Park office had been delayed by one year, and Halliburton expected completion in 2013. However Halliburton closed the facility in 2015, and in 2020 a planned demolition was revealed.