42-163-33836
PRODUCING HorizontalMARRS MCLEAN
FRIO County · District 1 · TRAILBLAZER ENERGY RESOURCES LLC · BRISCOE RANCH (EAGLEFORD)
Permits
1
Max Depth
7,500 ft
First Permit
2014-06-23
Latest Activity
2014-06-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-10-02
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: TRAILBLAZER ENERGY RESOURCES LLC ≠ Permit: VIRTEX OPERATING COMPANY, INC.
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
2013-09
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 (10) Elevation 572 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN CITY | 960 ft | -388 ft |
| NAVARRO | 3,170 ft | -2,598 ft |
| ESCONDIDO | 4,010 ft | -3,438 ft |
| OLMOS | 4,800 ft | -4,228 ft |
| ANACACHO | 5,169 ft | -4,597 ft |
| AUSTIN CHALK - H2S (Austin Chalk) | 5,580 ft | -5,008 ft |
| EAGLE FORD - H2S (Eagle Ford) | 6,128 ft | -5,556 ft |
| BUDA - H2S (Buda) | — | — |
| GEORGETOWN - H2S (Georgetown) | — | — |
| PEARSALL | — | — |
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 (1)
| Interval | Type |
|---|---|
| 6,300–12,353 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,665 ft | 624 sx |
| 5.5" | 13,420 ft | 2,340 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record · 1 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
- 8H
- Max Depth
- 7,500 ft
- Drill Type
- Horizontal
- County
- FRIO
- District
- 1
- Operator
- TRAILBLAZER ENERGY RESOURCES LLC
- Completed
- 2014-10-02
Operator
- Location
- TULSA
- P-5 Status
- Active (filed 2025-10-16)
- Cum Oil (all leases)
- 2,366,578 bbl
- Cum Gas (all leases)
- 3,279,529 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 29