Parker Drilling has appointed Jon-Al Duplantier as vice president and general counsel and Philip Schlom as principal accounting officer and corporate controller.

John Lorenz has been appointed president of the American Association of Petroleum Geologists.

Ernst&Young has appointed Dale Nijoka to lead its Global Oil&Gas practice.

Service provider Brunel International has appointed Rob van der Hoek as a board member.

IHC Engineering Business has promoted Scott Boyes as director of engineering and ? Ben Webster as sales manager.

US-based