Marcellus well backlog: How many are left and what does it mean?

The pace of Marcellus production growth remains one of the key uncertainties impacting the short-term North American gas supply outlook. Production from the play surpassed 11 bcfd this month and has grown almost 3 bcfd during the last year. Nonetheless, available pipeline capacity continues to constrain the pace of growth in the play. Those pipeline constraints, combined with a phenomenal increase in rig productivity and well performance, have led to a large build-up of drilled but...