Stuart City-Edwards 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: No stored records are available in this view; this does not establish zero activity. 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

No stored records are available in this view; this does not establish zero activity. 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

3,875

Recorded Operators

789

Total Lateral

1,428 miles

Permits (24mo)

Top Operators in the Stuart City-Edwards (Texas)

The operators with the most well counts targeting the Stuart City-Edwards formation in Texas:

#	Operator	Wells in Stuart City-Edwards
1	Marathon Oil Company	510
2	Repsol Oil & Gas Canada	277
3	Pioneer Natural Resources	168
4	Blackbrush O & G	88
5	Capital Star Oil & Gas	87
6	Burlington Resources Oil & Gas Company	82
7	Devon Energy Production Company	81
8	Bpx Operating Company	81
9	Trio Consulting & Managementllc	54
10	Rusk Energy Operating	52

Primary Texas Counties for the Stuart City-Edwards

The Texas counties with the most Stuart City-Edwards activity:

Karnes, De Witt, Lavaca, Colorado, Bee

About the Stuart City-Edwards Formation in Texas

The Stuart City-Edwards is a formation/play group recorded in Texas, with 3,875 wells on file across 789 distinct operators of record. Operators have filed 18 drilling permits targeting the Stuart City-Edwards 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 Stuart City-Edwards formation in Texas?

3,875 wells target the Stuart City-Edwards in Texas, worked by 789 recorded operators, per TX RRC well-header records. Summary: Stored source refresh: 2026-09-16. Permit list: No stored records are available in this view; this does not establish zero activity. 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 Stuart City-Edwards in Texas?

By well count, the operators with the most Stuart City-Edwards wells on record in Texas are Marathon Oil Company, Repsol Oil & Gas Canada, Pioneer Natural Resources, Blackbrush O & G and Capital Star Oil & Gas. The full ranking is in the table on this page. Summary: Stored source refresh: 2026-09-16. Permit list: No stored records are available in this view; this does not establish zero activity. 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 Stuart City-Edwards formation right now?

Operators filed 18 drilling permits targeting the Stuart City-Edwards in the 24-month window at source refresh, per TX RRC records. Summary: Stored source refresh: 2026-09-16. Permit list: No stored records are available in this view; this does not establish zero activity. 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 Stuart City-Edwards in Texas?

Operators filed 18 new drilling permits targeting the Stuart City-Edwards 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: No stored records are available in this view; this does not establish zero activity. 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 Stuart City-Edwards activity in Texas?

Stuart City-Edwards activity in Texas includes 3,875 wells on record and 789 recorded operators, led by Marathon Oil Company, Repsol Oil & Gas Canada, Pioneer Natural Resources, Blackbrush O & G and Capital Star Oil & Gas, with 18 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: No stored records are available in this view; this does not establish zero activity. 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 Stuart City-Edwards activity?

The primary counties recorded for Stuart City-Edwards in Texas are Karnes, De Witt, Lavaca, Colorado, Bee. Summary: Stored source refresh: 2026-09-16. Permit list: No stored records are available in this view; this does not establish zero activity. 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 Stuart City-Edwards 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: No stored records are available in this view; this does not establish zero activity. DUC list: No stored records are available in this view; this does not establish zero activity. The lists have separate coverage limits.