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Over 4,000 drilled but uncompleted oil wells in US shale basins – EIA

rigequipment_4Drilling and completion declined since 2014, but completions experienced deeper decline than drilling in oil-dominant regions

EIA

Source: U.S. Energy Information Administration, Drilling Productivity Report, September 2016

Starting this month, EIA’s Drilling Productivity Report (DPR) includes monthly estimates of the number of drilled but uncompleted wells (DUCs) in the seven DPR regions, according to the US Energy Information Administration.

Estimates will go through the prior month; for instance, the Sept. DPR includes estimates through Aug.

Current EIA estimates show DUC counts as of the end of Aug. totaling 4,117 in the four oil-dominant regions (Bakken, Eagle Ford, Niobrara, and Permian) and 914 in the three natural gas-dominant regions (Haynesville, Marcellus, and Utica) that together account for nearly all US tight oil and shale gas production.

In the oil regions, the estimated DUC count increased during 2014 and 2015, but the count declined by about 400 over the past five months.

The DUC count in the gas regions has generally declined since Dec. 2013.

DUCs are wells that have been drilled by producers, but have not yet been made ready for production. The full completion process involves casing, cementing, perforating, hydraulic fracturing, and other procedures to make the well ready to begin producing oil or natural gas.

Following the large decline in oil prices since mid-2014, new drilling and completion activity slowed, and the number of DUCs in oil-dominant regions increased.

A high inventory of DUCs has implications for the size and timing of the domestic supply response to changes in oil prices, with or without significant changes in the number of active drilling rigs.

Although both drilling and completion activity have declined since late 2014, the completions have experienced a deeper decline than drilling in oil-dominant regions.

The differences in drilling and completion rates in these oil regions may be attributed to several factors.

For instance, some long-term contracts for drilling rigs and lease contracts may mandate drilling or producing in order to fulfill commitments made to the landowners and mineral-right owners.

Estimates of the number of DUCs have been available from other sources. These estimates often vary significantly because of differences in methodology and operational assumptions, or, in some cases, insufficient data.

EIA develops its estimates of DUCs for all seven regions in the Drilling Productivity Report using a consistent methodology and uniform assumptions.

Ph: 432-978-5096 Website: www.mapleleafmarketinginc.com

Ph: 432-978-5096 Website: www.mapleleafmarketinginc.com

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