The Board of Directors for Rowan Companies, Inc. has approved the construction of three additional Tarzan class jack-up rigs. The Board of Directors for Rowan Companies, Inc. has approved the ...

Rowan Cos. Inc., Houston, is currently designing the first of its new Tarzan-class jack up rigs, which was unveiled during a conference call in July 2001. Rowan Cos. Inc., Houston, is currently ...