18 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:
Irion, TX — 16 activity records
Crockett, TX — 2 activity records
Which formations / plays Sem Operating Company LLC is targeting:
Permian Basin — 18 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) |
|---|---|---|---|---|---|---|---|
| 2026-05-19 | 24 | University 40 E 1803wc | 4223536766 |
Irion | TX | Permian Basin | — |
| 2026-05-18 | 25 | University 40 E 1803wb | 4223536765 |
Irion | TX | Permian Basin | — |
| 2026-04-10 | 63 | University 40 C 1803wc | 4210542568 |
Crockett | TX | Permian Basin | 8,460 |
| 2026-04-03 | 70 | University 40d 0701wc | 4223536747 |
Irion | TX | Permian Basin | — |
| 2026-03-27 | 77 | University 40d 0703wc | 4223536748 |
Irion | TX | Permian Basin | — |
| 2026-03-17 | 87 | University 40 1310wc | 4223536746 |
Irion | TX | Permian Basin | 9,224 |
| 2026-03-16 | 88 | University 40 1306wc | 4223536745 |
Irion | TX | Permian Basin | 9,035 |
| 2026-03-15 | 89 | University 40 1304wc | 4223536744 |
Irion | TX | Permian Basin | 8,989 |
| 2026-03-14 | 90 | University 40 1302wc | 4223536743 |
Irion | TX | Permian Basin | 9,142 |
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) |
|---|---|---|---|---|---|---|---|
| 2026-05-19 | 24 | University 40 E 1803wc | 4223536766 |
Irion | TX | Permian Basin | — |
| 2026-05-18 | 25 | University 40 E 1803wb | 4223536765 |
Irion | TX | Permian Basin | — |
| 2026-04-10 | 63 | University 40 C 1803wc | 4210542568 |
Crockett | TX | Permian Basin | 8,460 |
| 2026-04-03 | 70 | University 40d 0701wc | 4223536747 |
Irion | TX | Permian Basin | — |
| 2026-03-27 | 77 | University 40d 0703wc | 4223536748 |
Irion | TX | Permian Basin | — |
| 2026-03-17 | 87 | University 40 1310wc | 4223536746 |
Irion | TX | Permian Basin | 9,224 |
| 2026-03-16 | 88 | University 40 1306wc | 4223536745 |
Irion | TX | Permian Basin | 9,035 |
| 2026-03-15 | 89 | University 40 1304wc | 4223536744 |
Irion | TX | Permian Basin | 8,989 |
| 2026-03-14 | 90 | University 40 1302wc | 4223536743 |
Irion | TX | Permian Basin | 9,142 |
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: 18
Permits 24mo: 0
Spuds 90d: 9
New producers: 0
DUC inventory: 9
Last refresh: —
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