42-507-32411
Final Completion HorizontalBUCHANAN JOHN F. -A-
ZAVALA County · District 1 · FLINT OAK ENERGY LLC · PEARSALL (AUSTIN CHALK)
Permits
1
Max Depth
10,500 ft
First Permit
1991-05-03
Latest Activity
1991-05-03
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-06-06
Shut-In
—
Plugged
1997-07-22
EWA / Permit operator mismatch
Scheduling: FLINT OAK ENERGY LLC ≠ Permit: ORYX ENERGY COMPANY
Resolved via: production → FLINT OAK ENERGY, 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
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 (4) Elevation 559 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIDWAY | 2,615 ft | -2,056 ft |
| SAN MIGUEL | 5,095 ft | -4,536 ft |
| ANACACHO | 5,730 ft | -5,171 ft |
| LOWER CHALK | 6,420 ft | -5,861 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 (1)
| Interval | Type |
|---|---|
| 6,150–9,983 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 860 ft | 565 sx |
| 9.625" | 6,150 ft | 930 sx |
Permit History (1)
Applications (1)
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
- 1
- Max Depth
- 10,500 ft
- Drill Type
- Horizontal
- County
- ZAVALA
- District
- 1
- Operator
- FLINT OAK ENERGY LLC
- Completed
- 1991-06-06
Operator
- Name
- FLINT OAK ENGY, LLC
- Location
- MONTGOMERY
- P-5 Status
- Active (filed 2026-04-15)
- Cum Oil (all leases)
- 675,155 bbl
- Cum Gas (all leases)
- 737,870 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 14