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Fayetteville Shale Operations

The Fayetteville Shale is a Mississippian-age unconventional gas reservoir located on the Arkansas side of the Arkoma Basin, ranging in thickness from 50 to 550 feet and ranging in depth from 1,500 to 6,500 feet. Southwestern Energy Company discovered the economic viability of the Fayetteville Shale and was the first company to drill and successfully produce its natural gas.  At December 31, 2015, Southwestern, operating as SEECOTM, held leases for approximately 957,641 net acres in the Fayetteville Shale, and obtained its acreage at an average cost of approximately $335 per acre (average royalty interest of 15%).  Certain acreage previously reported as a component of our conventional Arkoma Basin has been included in the unconventional net acreage for Fayetteville at December 31, 2105, reflecting our current drilling focus.


As of December 31, 2015, Southwestern had spud a total of 4,737 wells in the Fayetteville Shale since its commencement in 2004, of which 4,157 were operated by Southwestern and 580 were outside-operated wells. Of these wells, 155 were spud in 2015, 468 in 2014 and 527 in 2013. Of the wells spud in 2015, all were designated as horizontal wells.

Over the past several years, Southwestern has seen significant improvement in its drilling practices in the Fayetteville Shale. In 2015, Southwestern’s operated wells had an average completed well cost of $2.8 million per well, average horizontal lateral length of 5,729 feet, and an average time to drill to total depth of 7.3 days from re-entry to re-entry.






Last Updated on 08/22/2016
 
Acreage: 
957,614 net acres (12/31/15)*
2015 Reserves:
3,281 Bcf (53% of total)
2015 Production:
465 Bcf (48% of total)
Geologic profile:
An unconventional gas reservoir that extends across northern Arkansas from the state's western edge throughout north central Arkansas. Ranging in thickness from 50 to 550 feet and varying in depth from 1,500 to 6,500 feet, this Mississippian-age shale is the geologic equivalent of the Barnett Shale currently producing in north Texas.

* Includes 202,156 net acres that have previously been reported as a component of our divested Arkoma acreage.