** Randall Keys appointed chief financial officer of Houston-based independent Transmeridian Exploration.
** Tim Lindsey joining The Houston Exploration Company in the newly created position of vice president of exploration.
** Robert Herlin and EJ DiPaolo named to the board of directors of Houston-based Boots & Coots International Well Control.
** Bradley Mallory appointed president of the engineering business segment of US operator Michael Baker.
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