CHEYENNE <CHYN.O> BUYS INTERESTS IN PROPERTIES Cheyenne Resources Inc said it purchased interests in four producing oil and gas properties for 2,240,000 shares of the company's restricted stock. The largest interest was 25 pct of an oil and gas well in Weld County, Colo, the company said. Cheyenne said it had five pct or less interest in the three other properties. Cheyenne said it should realized 10,000 dlrs net income monthly at the properties' current production levels.