Gregory Floerke, executive vice president and chief commercial officer of MarkWest Energy Partners, told members of the West Virginia Oil & Gas Association that his company is continuing to invest in the Marcellus and Utica shale formations. Seated, from left: Stan Chapman, executive vice president and chief commercial officer of Columbia Pipeline Group; Robert Orndorff, managing director of state and local government affairs at Dominion; and Steve Mueller, chairman and chief executive officer of Southwestern Energy Co.