42-225-31258
Final CompletionEASTHAM STATE PRISON FARM
HOUSTON County · District 3 · SEM OPERATING COMPANY LLC · FORT TRINIDAD (GLEN ROSE UPPER)
Permits
1
Max Depth
12,500 ft
First Permit
2012-11-16
Latest Activity
2012-11-16
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2013-02-13
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: SEM OPERATING COMPANY LLC ≠ Production: TRAILBLAZER ENERGY RESOURCES,LLC (reported 2025-04)
EWA / Permit operator mismatch
Scheduling: SEM OPERATING COMPANY LLC ≠ Permit: NAVIDAD RESOURCES, LLC
Resolved via: scheduling → SEM OPERATING COMPANY LLC
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
2013-02
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (12) Elevation 169 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SUB-CLARKSVILLE | 9,016 ft | -8,847 ft |
| WOODBINE | 9,088 ft | -8,919 ft |
| WOODINE | 9,092 ft | -8,923 ft |
| BUDA | 9,976 ft | -9,807 ft |
| GEORGETOWN | 10,066 ft | -9,897 ft |
| KIAMICHI | 10,458 ft | -10,289 ft |
| EDWARDS | 10,667 ft | -10,498 ft |
| GLEN ROSE | 11,040 ft | -10,871 ft |
| GLENROSE (Glen Rose) | 11,040 ft | -10,871 ft |
| PETTET (Pettit) | — | — |
| RODESSA | — | — |
| TRAVIS PEAK | — | — |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (6)
| Interval | Type |
|---|---|
| 9,978–10,046 ft | Perforated |
| 9,978–10,092 ft | Perforated |
| 9,978–10,146 ft | Perforated |
| 10,069–10,092 ft | Perforated |
| 10,668–10,842 ft | Perforated |
| 11,042–11,604 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 1,019 ft | 445 sx |
| 8.625" | 6,358 ft | 1,360 sx |
| 5.5" | 11,782 ft | 500 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record · 2 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 0604
- Max Depth
- 12,500 ft
- Drill Type
- Vertical
- County
- HOUSTON
- District
- 3
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2013-02-13
Operator
- Name
- SEM OPER CO LLC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-06-10)
- Cum Oil (all leases)
- 46,291,690 bbl
- Cum Gas (all leases)
- 16,745,020 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 400