Olmos Formation in Texas: Operators, Permits & Activity 2026

Formation data coverage

Formation summary: Stored source refresh: 2026-09-16. This formation/play summary uses recorded well and operator counts and permit dates in the preceding 24 months at summary refresh. Operator counts do not verify current operations. Summary counts and the separately refreshed permit and DUC lists may have different coverage. This is a capped directory of stored records, not a complete statewide count. Permit list: Stored source refresh: 2026-09-17. At most 50 displayed permit records match the formation name, ordered by permit date. This operator-linked list can differ from the summary permit count; a permit is not proof of drilling or production. This is a capped directory of stored records, not a complete statewide count. DUC list: No stored records are available in this view; this does not establish zero activity. At most 30 displayed records match the formation name, ordered by spud date. A spud date with no reported first production is a DUC proxy, not verified completion status. Elapsed days are computed at source refresh. This is a capped directory of stored records, not a complete statewide count.

Formation summary source

Stored source refresh: 2026-09-16. This formation/play summary uses recorded well and operator counts and permit dates in the preceding 24 months at summary refresh. Operator counts do not verify current operations. Summary counts and the separately refreshed permit and DUC lists may have different coverage. This is a capped directory of stored records, not a complete statewide count.

Compiled from Texas Railroad Commission records through a commercial well-data aggregator. Scheduled refreshes do not guarantee that new regulator filings are available. Use the source records to check a specific well.

Permit-list source

Stored source refresh: 2026-09-17. At most 50 displayed permit records match the formation name, ordered by permit date. This operator-linked list can differ from the summary permit count; a permit is not proof of drilling or production. This is a capped directory of stored records, not a complete statewide count.

DUC-list source

No stored records are available in this view; this does not establish zero activity. At most 30 displayed records match the formation name, ordered by spud date. A spud date with no reported first production is a DUC proxy, not verified completion status. Elapsed days are computed at source refresh. This is a capped directory of stored records, not a complete statewide count.

Total Wells

15,694

Recorded Operators

1,154

Total Lateral

6,032 miles

Permits (24mo)

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	Crescent Energy Operating, LLC	617
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	322
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 a formation/play group recorded in Texas, with 15,694 wells on file across 1,154 distinct operators of record. Operators have filed 84 drilling permits targeting the Olmos in the 24-month window at summary refresh. These are stored records, not a live measure of drilling.

Recorded formation activity provides regional context. It does not establish ownership, future production, royalty payments or a value for an individual tract. Consult qualified professionals about your specific interest.

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Frequently Asked Questions

How many wells target the Olmos formation in Texas?

15,694 wells target the Olmos in Texas, worked by 1,154 recorded operators, per TX RRC well-header records. Summary: Stored source refresh: 2026-09-16. Permit list: Stored source refresh: 2026-09-17. DUC list: No stored records are available in this view; this does not establish zero activity. The lists have separate coverage limits.

Who are the top operators in the Olmos in Texas?

By well count, the operators with the most Olmos wells on record in Texas are Lewis Petro Properties, Crescent Energy Operating, LLC, Varas Energy Operating Company, LLC, Hilcorp Energy Company and Bpx Operating Company. The full ranking is in the table on this page. Summary: Stored source refresh: 2026-09-16. Permit list: Stored source refresh: 2026-09-17. DUC list: No stored records are available in this view; this does not establish zero activity. The lists have separate coverage limits.

How active is the Olmos formation right now?

Operators filed 84 drilling permits targeting the Olmos in the 24-month window at source refresh, per TX RRC records. Summary: Stored source refresh: 2026-09-16. Permit list: Stored source refresh: 2026-09-17. DUC list: No stored records are available in this view; this does not establish zero activity. The lists have separate coverage limits.

Is there active drilling in the Olmos in Texas?

Operators filed 84 new drilling permits targeting the Olmos in Texas in the 24-month window at source refresh. New permits and spuds record reported activity stages; they do not establish ongoing drilling, per TX RRC records. Summary: Stored source refresh: 2026-09-16. Permit list: Stored source refresh: 2026-09-17. DUC list: No stored records are available in this view; this does not establish zero activity. The lists have separate coverage limits.

What is the current Olmos activity in Texas?

Olmos activity in Texas includes 15,694 wells on record and 1,154 recorded operators, led by Lewis Petro Properties, Crescent Energy Operating, LLC, Varas Energy Operating Company, LLC, Hilcorp Energy Company and Bpx Operating Company, with 84 drilling permits filed in the 24-month window at source refresh — from Texas Railroad Commission (RRC) well-header records. Summary: Stored source refresh: 2026-09-16. Permit list: Stored source refresh: 2026-09-17. DUC list: No stored records are available in this view; this does not establish zero activity. The lists have separate coverage limits.

Which Texas counties have the most Olmos activity?

The primary counties recorded for Olmos in Texas are Webb, McMullen, La Salle, Live Oak, Duval. Summary: Stored source refresh: 2026-09-16. Permit list: Stored source refresh: 2026-09-17. DUC list: No stored records are available in this view; this does not establish zero activity. The lists have separate coverage limits.

How do I find out what my Olmos mineral rights are worth?

Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. This page is informational only, not a valuation. Summary: Stored source refresh: 2026-09-16. Permit list: Stored source refresh: 2026-09-17. DUC list: No stored records are available in this view; this does not establish zero activity. The lists have separate coverage limits.