0001127602-15-024399 4 1 20150805 20150806 20150806 Bristow Group Inc 0000073887 4522 720679819 DE 0331 2103 CITY WEST BLVD. 4TH FLOOR HOUSTON TX 77042 7132677600 2103 CITY WEST BLVD. 4TH FLOOR HOUSTON TX 77042 OFFSHORE LOGISTICS INC 19920703 Knudson Thomas C 0001293755 4 34 001-31617 151034647 P.O. BOX 5-C LAFAYETTE LA 70505 4 1 form4.xml PRIMARY DOCUMENT