Endeavor Energy Resources vs River Rock Operating

Side-by-side comparison of two oil and gas operators in KS,KY,LA,MT,ND,NM,OK,PA,TX,WY and KS,OK. 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.

Endeavor Energy Resources

KS,KY,LA,MT,ND,NM,OK,PA,TX,WY · 3,609 wells on file

River Rock Operating

KS,OK · 2,496 wells on file

Side-by-Side Statistics

MetricEndeavor Energy ResourcesRiver Rock Operating
Total wells3,6092,496
Wells producing (any time)2,1272,386
Permits filed (last 24 months)820
Most recent permit date2026-03-272021-12-15
Most recent spud date2026-03-272020-11-04
Average lateral length (ft)4,966687
Top formationExcello-MulkyExcello-Mulky
Top countyNowataNeosho
States operating inKS,KY,LA,MT,ND,NM,OK,PA,TX,WYKS,OK
Last-12mo oil production (BBL)419,5333,908
Last-12mo gas production (Mcf)1,276,0313,263,377

Shared Territory

Both operators have wells in these counties:

Nowata

Both operators target these formations / plays:

Excello-MulkyChautauqua Platform

Per-Operator Top Counties & Formations

Endeavor Energy Resources

Counties: Nowata (515) · Martin (476) · Midland (476) · Washington (461) · Reagan (343)

Formations: Excello-Mulky (890) · Thirty-One Carbonate-Chert (551) · Spraberry (519) · Trend Area (249) · Chautauqua Platform (156)

River Rock Operating

Counties: Neosho (1,247) · Wilson (603) · Labette (431) · Nowata (145) · Craig (39)

Formations: Excello-Mulky (2,476) · Chautauqua Platform (11) · Mulky (4) · Various Commingled Formations (2) · Rowe (1)

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