0000354204-97-000245 SC 13G 1 19970212 NONE BASIN EXPLORATION INC 0000827795 1311 841143307 DE 1231 SC 13G 34 005-42629 97525356 370 SEVENTEENTH ST STE 1800 DENVER CO 80202 3036858000 370 SEVENTEENTH STREET SUITE 1800 DENVER CO 80202 DIMENSIONAL FUND ADVISORS INC 0000354204 0000 22370029 IL 1231 SC 13G 1299 OCEAN AVE 11TH FLOOR SANTA MONICA CA 90401 3103958005 1299 OCEAN AVENUE 11TH FLOOR SANTA MONICA CA 90401 SC 13G 1 000035420497000245-001-seq1-sc-13g.txt SCHEDULE 13G - 2/96 - BASIN EXPL INC