Darrell Ricketson, vice president and COO of Kinder Morgan EOR, will be a featured speaker next week during the annual CO2 Conference at the new Bush Convention Center in Midland. The conference Dec. 9-13 also will include a field trip to Kinder Morgan’s CO2 operations in Scurry County. Steve Melzer, conference director, told the Midland Reporter Telegram that other speakers at the 25th annual conference will include Montana Tech’s Todd Hoffman of the Society of Petroleum Engineers.