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Drilling Productivity Report

Release Date:  January 12, 2015  |  Next Release: February 9, 2015  |  full report

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New-well oil production per rig
barrels/day
New-well gas production per rig
thousand cubic feet/day
Region January 2015 February 2015 change   January 2015 February 2015 change
Bakken 555 563 8   564 573 9
Eagle Ford 558 566 8   1,455 1,469 14
Haynesville 24 24 -   5,637 5,745 108
Marcellus 34 35 1  

8,002

8,046 44
Niobrara 416 424 8   1,831 1,858 27
Permian 194 198 4    390 396 6
Utica 208 217 9    4,348 4,480 132
Rig-weighted average 332 334 2   1,660 1,715 55
Oil production
thousand barrels/day
Gas production
million cubic feet/day
Region January 2015 February 2015 change   January 2015 February 2015 change
Bakken 1,282 1,306 24   1,510 1,537 27
Eagle Ford 1,691 1,716 25   7,430 7,527 97
Haynesville 58 58 -   6,903 6,972 69
Marcellus 55 56 1   16,319 16,550 231
Niobrara 387 395 8   4,695 4,736 41
Permian 1,888 1,929 41    6,188 6,262 74
Utica 52 56 4    1,782 1,856 74
Total 5,413 5,516 103   44,827 45,440 613


The Drilling Productivity Report uses recent data on the total number of drilling rigs in operation along with estimates of drilling productivity and estimated changes in production from existing oil and natural gas wells to provide estimated changes in oil and natural gas production for seven key regions. EIA's approach does not distinguish between oil-directed rigs and gas-directed rigs because once a well is completed it may produce both oil and gas; more than half of the wells produce both.

While shale resources and production are found in many U.S. regions, at this time EIA is focusing on the seven most prolific areas, which are located in the Lower 48 states. These seven regions accounted for 95% of domestic oil production growth and all domestic natural gas production growth during 2011-13.

key tight oil and shale gas regions