0000932384-98-000035 SC 13G 1 19980213 NASD BASIN EXPLORATION INC 0000827795 1311 841143307 DE 1231 SC 13G 34 005-42629 98537682 370 SEVENTEENTH ST STE 1800 DENVER CO 80202 3036858000 370 SEVENTEENTH STREET SUITE 1800 DENVER CO 80202 SMITH MICHAEL S 0000901470 SC 13G 370 17TH ST STE 3400 DENVER CO 80202 3036858015 370 17TH ST STE 3400 DENVER CO 80202 SC 13G 1 000093238498000035-001-seq1-sc-13g.txt SCHEDULE 13G