0000912462-99-000085 SC 13G/A 1 19990208 3DX TECHNOLOGIES INC 0000915518 1311 760386601 DE 1231 SC 13G/A 34 005-49753 99524142 12012 WICKCHESTER SUITE 250 HOUSTON TX 77079 2815793398 12012 WICKCHESTER SUITE 250 HOUSTON TX 77079 NATIONSBANK CORP/FA 0000912462 0000 NC 1231 SC 13G/A NATIONSBANK PLAZA CHARLOTTE NC 28255 4046073731 SC 13G/A 1 000091246299000085-001-seq1-sc-13g-a.txt