Atlas Resource 1Q13: Record Marcellus Production Atlas Energy | Energy Companies May 9, 2013May 9, 2013 Marcellus Shale driller Atlas Resource Partners reports achieving record average net production of 133.0 Mmcfed for the first quarter 2013, a 21% increase over the fourth quarter 2012, in their 1Q13 report issued yesterday. From the report: Please Login to view this content. (Not a member? Join Today!) Related