Antero Drilled and Completed 162 Wells In 2018

Marcellus Shale — Antero completed and placed on line 16 horizontal Marcellus wells during the first quarter of 2018 with an average lateral length of 9,100' and a 30-day rate of 19.8 MMcfe/d (with 25% ethane recovery) on choke.  Current average well costs are $0.85 million per 1,000' of lateral in the Marcellus assuming the 2018 average lateral length of 10,000' and 2,000 pounds of proppant per foot completion.  Antero plans to operate five drilling rigs and four completion crews in the Marcellus Shale play during 2018.

Ohio Utica Shale — Antero placed five horizontal Ohio Utica wells to sales during the first quarter of 2018 with an average lateral length of approximately 11,000 feet.  During the period, Antero drilled four wells with an average lateral length of 9,200 feet in 15.5 total days from spud to final rig release, which represents a 7% decrease in drilling days compared to 2016 where wells were drilled at a similar lateral length.

Second Quarter 2018

Marcellus Shale — Antero placed 25 horizontal Marcellus wells to sales during the second quarter of 2018 with an average lateral length of 9,500 feet and a 30-day gross average rate per well of 16.9 MMcfe/day on choke. The 30-day gross rate included 914 Bbl/d of liquids, representing oil, C3+ NGLs and 25% of the ethane that could be recovered ("25% ethane recovery").  Current average well costs are $0.86 million per 1,000 feet of lateral in the Marcellus assuming the 2018 average lateral length of 10,000 feet and 2,000 pounds of proppant per foot. 

Ohio Utica Shale — Antero placed five horizontal Ohio Utica wells to sales during the second quarter of 2018 with an average lateral length of approximately 15,900 feet and an average 30-day rate of 12.9 MMcfe/d per well on choke.

 

Third Quarter 2018

Marcellus Shale — Antero placed 58 horizontal Marcellus wells to sales during the third quarter of 2018 with an average lateral length of 9,100 feet and an average 30-day rate per well of 18.3 MMcfe/day on choke. The 30-day average rate per well included 1,073 Bbl/d of liquids, representing oil, C3+ NGLs and 25% ethane recovery. 

Ohio Utica Shale — Antero placed 15 horizontal Ohio Utica wells to sales during the third quarter of 2018 with an average lateral length of approximately 10,400 feet and an average 30-day rate per well of 17.7 MMcfe/d on choke. The Company does not plan to operate any drilling rigs or completion crews in the Ohio Utica Shale during the fourth quarter of 2018 as the development plan continues to focus on liquids-rich locations in the Marcellus. 

Fourth Quarter 2018

Marcellus Shale — Antero placed 39 horizontal Marcellus wells to sales during the fourth quarter of 2018 with an average lateral length of 10,600 feet and an average 30-day initial rate per well of 21.6 MMcfe/day on choke. The 30-day average rate per well included 1,268 Bbl/d of liquids, including oil, C3+ NGLs and 25% ethane recovery.