42-163-33143
HorizontalHILDEBRAND
FRIO County · District 1 · BLACKBRUSH O & G LLC · PEARSALL (AUSTIN CHALK)
Permits
2
Max Depth
7,300 ft
First Permit
1992-12-23
Latest Activity
1992-12-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1993-02-27
Shut-In
—
Plugged
2021-03-26
EWA / Permit operator mismatch
Scheduling: BLACKBRUSH O & G LLC ≠ Permit: GEMINI EXPLORATION COMPANY
Resolved via: scheduling → BLACKBRUSH O & G 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
1993-01
Last Production
2021-10
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 (3) Elevation 552 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE WILCOX (Wilcox) | 3,846 ft | -3,294 ft |
| OLMOS | 5,448 ft | -4,896 ft |
| ANACACHO | 6,764 ft | -6,212 ft |
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 (4)
| Interval | Type |
|---|---|
| 6,708–10,150 ft | Perforated |
| 6,787–12,840 ft | Perforated |
| 8,877–11,481 ft | Perforated |
| 9,692–10,544 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 814 ft | 355 sx |
| 7" | 6,755 ft | 160 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings 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
- 4
- Max Depth
- 7,300 ft
- Drill Type
- Horizontal
- County
- FRIO
- District
- 1
- Operator
- BLACKBRUSH O & G LLC
- Completed
- 1993-02-27
Operator
- Location
- SAN ANTONIO
- P-5 Status
- Active (filed 2025-09-16)
- Cum Oil (all leases)
- 14,940,812 bbl
- Cum Gas (all leases)
- 59,004,108 mcf
- Activities
- GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 339