EXHIBIT 4.4 AMENDING AGREEMENT WHEREAS Weatherford International, Inc., Weatherford Canada Ltd., Weatherford ER Acquireco Inc., Jamie E. Biluk, N. Scott A. Biluk, A. Lynn Biluk and Tracey L. Biluk executed an exchange rights agreement (the "Exchange...Amending Agreement • July 5th, 2002 • Weatherford International LTD • Drilling oil & gas wells • Alberta
