42-507-32473
PRODUCING HorizontalBUCHANAN JOHN F. -A-
ZAVALA County · District 1 · FLINT OAK ENERGY LLC · PEARSALL (AUSTIN CHALK)
Permits
2
Max Depth
9,482 ft
First Permit
1993-03-26
Latest Activity
1993-03-26
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1993-06-16
Shut-In
—
Plugged
—
P-5 Org Status: Active
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 (3) Elevation 579 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| 1ST LIME | 5,444 ft | -4,865 ft |
| ANACACHO | 5,595 ft | -5,016 ft |
| AUSTIN CHALK | 5,923 ft | -5,344 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 |
|---|---|
| 6,000–9,573 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 751 ft | 475 sx |
| 7" | 6,000 ft | 1,035 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
- 9,482 ft
- Drill Type
- Horizontal
- County
- ZAVALA
- District
- 1
- Operator
- FLINT OAK ENERGY LLC
- Completed
- 1993-06-16
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