Ashland Oil & Refining vs Southwestern Energy Production Company

Side-by-side comparison of two oil and gas operators in AR,CO,IL,KY,LA,MI,MS,ND,NY,TX,WY and AL,AR,CA,CO,IL,KS,KY,LA,MI,MO,MS,MT,ND,NM,NY,OH,OK,PA,TX,UT,WV,WY. Drawn from public well data and state-regulator production filings.

Important — Public-Data Disclaimer. The information shown on this page is sourced exclusively from publicly available oil and gas regulatory records (Texas Railroad Commission, Oklahoma Corporation Commission, and aggregated public well data). Valor is presenting these public records side-by-side as an informational convenience only.

Ashland Oil & Refining

AR,CO,IL,KY,LA,MI,MS,ND,NY,TX,WY · 3,698 wells on file

Southwestern Energy Production Company

AL,AR,CA,CO,IL,KS,KY,LA,MI,MO,MS,MT,ND,NM,NY,OH,OK,PA,TX,UT,WV,WY · 1,815 wells on file

Side-by-Side Statistics

MetricAshland Oil & RefiningSouthwestern Energy Production Company
Total wells3,6981,815
Wells producing (any time)209292
Permits filed (last 24 months)034
Most recent permit date2016-05-062025-04-07
Most recent spud date1977-07-162026-03-13
Average lateral length (ft)1,5626,194
Top formationBerea-MurrysvilleMarcellus
Top countyJohnsonSusquehanna
States operating inAR,CO,IL,KY,LA,MI,MS,ND,NY,TX,WYAL,AR,CA,CO,IL,KS,KY,LA,MI,MO,MS,MT,ND,NM,NY,OH,OK,PA,TX,UT,WV,WY
Last-12mo oil production (BBL)0263,095
Last-12mo gas production (Mcf)023,589,069

Shared Territory

Both operators target these formations / plays:

Illinois Basin

Per-Operator Top Counties & Formations

Ashland Oil & Refining

Counties: Johnson (855) · Lawrence (490) · Lee (442) · Union (337) · Magoffin (291)

Formations: Berea-Murrysville (1,662) · Illinois Basin (682) · New Albany (582) · Corniferous (331) · Unknown Or Unassigned (56)

Southwestern Energy Production Company

Counties: Susquehanna (275) · Moffat (107) · Bradford (107) · Marion (85) · Converse (82)

Formations: Marcellus (640) · Chautauqua Platform (112) · Niobrara- Mowry (98) · Barnett (82) · Illinois Basin (68)

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