10 recent activity records on file for Sem Operating Company LLC across TX — permits filed in the last 24 months, wells spudded in the last 90 days, wells turning to first production in the last 6 months, and drilled-uncompleted (DUC) inventory.
Refreshed monthly from TX RRC + OK OCC well-header records. Data current as of recent filings.
Where Sem Operating Company LLC is most active across all 4 activity datasets:
Crockett, TX — 6 activity records
Irion, TX — 4 activity records
Which formations / plays Sem Operating Company LLC is targeting:
Permian Basin — 4 activity records
Wells where Sem Operating Company LLC has started drilling in the last 90 days but production hasn't begun yet:
| Spud Date | Days Ago | Well | API | County | State | Formation | Lateral (ft) |
|---|---|---|---|---|---|---|---|
| 2026-07-20 | 12 | University 40 1507wc | 4210542575 |
Crockett | TX | — | 8,231 |
| 2026-07-19 | 13 | University 40 1509wc | 4210542576 |
Crockett | TX | — | 8,207 |
| 2026-07-18 | 14 | University 40 1511wc | 4210542577 |
Crockett | TX | — | 8,323 |
| 2026-05-19 | 74 | University 40 E 1803wc | 4223536766 |
Irion | TX | Permian Basin | — |
| 2026-05-18 | 75 | University 40 E 1803wb | 4223536765 |
Irion | TX | Permian Basin | — |
Wells Sem Operating Company LLC has spudded but not yet completed — near-term production upside as completion crews arrive:
| Spud Date | Days Waiting | Well | API | County | State | Formation | Lateral (ft) |
|---|---|---|---|---|---|---|---|
| 2026-07-20 | 12 | University 40 1507wc | 4210542575 |
Crockett | TX | — | 8,231 |
| 2026-07-19 | 13 | University 40 1509wc | 4210542576 |
Crockett | TX | — | 8,207 |
| 2026-07-18 | 14 | University 40 1511wc | 4210542577 |
Crockett | TX | — | 8,323 |
| 2026-05-19 | 74 | University 40 E 1803wc | 4223536766 |
Irion | TX | Permian Basin | — |
| 2026-05-18 | 75 | University 40 E 1803wb | 4223536765 |
Irion | TX | Permian Basin | — |
A new permit, fresh spud, or recently producing well on or near your tract can materially change what your interest is worth. Get a free written offer based on your specific minerals.
Get Your Free Mineral ValuationOperator: Sem Operating Company LLC
States active: TX
Total activity: 10
Permits 24mo: 0
Spuds 90d: 5
New producers: 0
DUC inventory: 5
Last refresh: —
Free written offers on mineral rights operated by Sem Operating Company LLC or any operator.
Get Your Free Offer