Wade Chris
Wagner Jean-Marie
Wagner Jean-Marie L.
Walch Marianne
Wardeberg Jorn
Wason, Jr. Charles P.
Watson Thomas C.
Weeden Richard J.
Weichart Helmut
Weinstein Stantn D.
Welton Patrick
Welton Patrick J.
Wentzler Paul Daniel
Werner William F.
Western Altas International Inc.
Western Geophysical Co of America
WesternGeco. L.L.C.
Westhall Jonathan James
White Ronald P.
Wilken Wilfried