3 Workers Injured in WV Gas Drilling Explosion Accidents | Antero Resources | Energy Companies | Harrison County | Industrywide Issues | West Virginia August 20, 2012August 20, 2012 Hall Drilling LLC was drilling Cottrill No. 3 well for Antero in north-central West Virginia early last Friday when a spark caused a fireball injuring three rig workers. Please Login to view this content. (Not a member? Join Today!) Related