“…With the growth in the use of hydraulic fracturing and horizontal drilling technologies, market analysts, researchers and government agencies have noted the increase in the inventory of drilled but uncompleted wells (DUCs) in the U.S. (Hegarty, 2017;EIA, 2013;EIA, 2019b;Dunning, 2016;Srinivasan, Krishnamurthy and Kaufman, 2019;IHS, 2016;Piotrowski, 2016). However, little or no systematic information is available on the growth of DUC inventory and the implications for natural gas production.…”