42-311-32602
Final CompletionHERRERA GREGORIA ET AL
MCMULLEN County · District 1 · AOP OPERATING CORPORATION · SAN MIGUEL CREEK (W-4 SEG. AA)
Permits
2
Max Depth
6,200 ft
First Permit
1987-10-29
Latest Activity
1997-04-16
Lifespan
9 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-12-05
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: AOP OPERATING CORPORATION ≠ Production: ATLAS OPERATING LLC (reported 2026-03)
Resolved via: production → ATLAS OPERATING 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 (1) Elevation 284 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WILCOX | 3,175 ft | -2,891 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 (5)
| Interval | Type |
|---|---|
| 5,241–5,248 ft | Perforated |
| 5,309–5,311 ft | Perforated |
| 5,342–5,345 ft | Perforated |
| 5,353–5,355 ft | Perforated |
| 5,506–5,522 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 606 ft | 225 sx |
| 7" | 5,650 ft | 800 sx |
Permit History (2)
Applications (2)
Records & Logs
9 completion filings on record · 4 with log images at RRC.
+3 more filings
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
- 6,200 ft
- Drill Type
- Vertical
- County
- MCMULLEN
- District
- 1
- Operator
- AOP OPERATING CORPORATION
- Completed
- 1987-12-05
Operator
- Name
- AOP OPER CORP
- Location
- DALLAS
- P-5 Status
- Inactive (filed 1998-04-27)
- Cum Oil (all leases)
- 454,509 bbl
- Cum Gas (all leases)
- — mcf
- Total Permits
- 83