Blackbrush O & G vs Marathon Oil Company

Side-by-side comparison of two oil and gas operators in TX and OK,TX. 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.

Blackbrush O & G

TX · 523 wells on file

Marathon Oil Company

OK,TX · 5,601 wells on file

Side-by-Side Statistics

MetricBlackbrush O & GMarathon Oil Company
Total wells5235,601
Wells producing (any time)4173,702
Permits filed (last 24 months)7129
Most recent permit date2026-02-022026-04-23
Most recent spud date2025-06-202026-04-17
Average lateral length (ft)3,0746,110
Top formationAustin ChalkAustin Chalk
Top countyFoardKarnes
States operating inTXOK,TX
Last-12mo oil production (BBL)16,9486,838,254
Last-12mo gas production (Mcf)1,181,64223,576,920

Shared Territory

Both operators have wells in these counties:

KarnesDe Witt

Both operators target these formations / plays:

Austin ChalkStuart City-EdwardsEagle FordOlmos

Per-Operator Top Counties & Formations

Blackbrush O & G

Counties: Foard (143) · Frio (110) · Bee (67) · Karnes (41) · De Witt (35)

Formations: Austin Chalk (147) · Wichita Falls (119) · Stuart City-Edwards (88) · Eagle Ford (53) · Olmos (49)

Marathon Oil Company

Counties: Karnes (2,129) · Atascosa (594) · Live Oak (367) · De Witt (296) · Gonzales (236)

Formations: Austin Chalk (1,605) · Eagle Ford (619) · Stuart City-Edwards (510) · Olmos (284) · Del Rio (187)

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