42-163-33873
PRODUCING HorizontalHARLAN RK
FRIO County · District 1 · TRAILBLAZER ENERGY RESOURCES LLC · BRISCOE RANCH (EAGLEFORD)
Permits
1
Max Depth
7,500 ft
First Permit
2014-08-27
Latest Activity
2014-08-27
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-11-25
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
2014-11
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 548 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN CITY | 2,200 ft | -1,652 ft |
| NAVARRO | 3,170 ft | -2,622 ft |
| ESCONDIDO | 3,650 ft | -3,102 ft |
| OLMOS | 4,142 ft | -3,594 ft |
| ANACACHO | 5,078 ft | -4,530 ft |
| AUSTIN CHALK - H2S (Austin Chalk) | 5,483 ft | -4,935 ft |
| EAGLE FORD - H2S (Eagle Ford) | 5,930 ft | -5,382 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 |
|---|---|
| 6,208–12,723 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,698 ft | 619 sx |
| 5.5" | 12,812 ft | 2,561 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
- 4H
- Max Depth
- 7,500 ft
- Drill Type
- Horizontal
- County
- FRIO
- District
- 1
- Operator
- TRAILBLAZER ENERGY RESOURCES LLC
- Completed
- 2014-11-25
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