Compton Petroleum has sold $150 million worth of natural gas production, located mostly in west-central Alberta, in an effort to reduce its debt levels. Compton said the properties, which are located in the Niton and Gilby areas, produce around 3,100 barrels of oil equivalent (boe) per dayÔÇöaround 15 percent of the 19,800 boe per day it produced in the first quarter of this year. Together, they represent proven and probable reserves of around 9.4 million barrels.