Top Operators in the Olmos (Texas)

The operators with the most well counts targeting the Olmos formation in Texas:

#	Operator	Wells in Olmos
1	Lewis Petro Properties	2,551
2	Silverbow Resources Oper	641
3	Varas Energy Operating Company, LLC	615
4	Hilcorp Energy Company	534
5	Bpx Operating Company	421
6	Eog Resources	394
7	Petrovybe Opco LLC	319
8	Marathon Oil Company	284
9	Ineos USA Oil & Gas LLC	241
10	Killam Oil	232

Primary Texas Counties for the Olmos

The Texas counties with the most Olmos activity:

Webb, Mcmullen, La Salle, Live Oak, Duval

Recent Olmos Drilling Permits in Texas

The most recent 1 drilling permits filed for Olmos wells in Texas:

Permit Date	Well	API	County	Operator	Lateral (ft)
2026-01-27	Milestone Swd 2	`4231136918`	Mcmullen	Evx Operating LLC	303

About the Olmos Formation in Texas

The Olmos is one of Texas's active oil and gas plays, with 15,694 wells on file across 1,149 distinct operators of record. Operators have filed 92 drilling permits targeting the Olmos in the last 24 months — a measure of how active the play is right now versus its historical baseline.

For mineral owners with interests in Webb, Mcmullen, La Salle, Live Oak, Duval, knowing whether your tract sits within an active Olmos footprint is a foundational valuation question. Active formations with consistent permit flow command premium pricing; legacy formations with steady but declining production are valued differently.