42-313-30859
YFERGUSON PRISON UNIT
MADISON County · District 3 · SEM OPERATING COMPANY LLC · FORT TRINIDAD (GLEN ROSE UPPER)
Permits
2
Max Depth
13,000 ft
First Permit
2010-07-26
Latest Activity
2010-07-26
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-06-26
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: SEM OPERATING COMPANY LLC ≠ Production: TRAILBLAZER ENERGY RESOURCES,LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: SEM OPERATING COMPANY LLC ≠ Permit: NAVIDAD RESOURCES, LLC
Resolved via: production → TRAILBLAZER ENERGY RESOURCES,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
2011-06
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 (13) Elevation 176 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO | 5,120 ft | -4,944 ft |
| WILCOX | 5,600 ft | -5,424 ft |
| EAGLEFORD (Eagle Ford) | 9,270 ft | -9,094 ft |
| SUB-CLARKSVILLE | 9,276 ft | -9,100 ft |
| WOODBINE | 9,364 ft | -9,188 ft |
| WOODBINE | 9,370 ft | -9,194 ft |
| DEX BUDA | 9,770 ft | -9,594 ft |
| BUDA | 10,250 ft | -10,074 ft |
| BUDA | 10,272 ft | -10,096 ft |
| GEORGETOWN | 10,338 ft | -10,162 ft |
| GLEN ROSE | 11,329 ft | -11,153 ft |
| LEWISVILLE | — | — |
| RODESSA | — | — |
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 |
|---|---|
| 10,273–10,320 ft | Perforated |
| 10,354–10,459 ft | Perforated |
| 10,954–11,126 ft | Perforated |
| 11,428–11,539 ft | Perforated |
| 11,428–11,944 ft | Perforated |
| 11,604–11,944 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,083 ft | 1,025 sx |
| 5.5" | 12,200 ft | 822 sx |
Permit History (2)
Applications (2)
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
- 1
- Max Depth
- 13,000 ft
- Drill Type
- Vertical
- County
- MADISON
- District
- 3
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2011-06-26
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