It has been a whirlwind year for the regional oil and gas industry. Watching the market intently from our perch, Oil & Gas Middle East has seen the slips, successes and surprises that have kept oil and gas companies on their toes this year. In our Power 50 list, we tally all of these up to rank those who have demonstrated leading behavior, leaving an impact on the regional market for the year, and for years to come.