42-507-32162
Final CompletionHOWETT
ZAVALA County · District 1 · ACORN OIL & GAS LLC · DOS ARROYOS (SAN MIGUEL)
Permits
1
Max Depth
5,300 ft
First Permit
1985-10-04
Latest Activity
1985-10-04
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-03-01
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ACORN OIL & GAS LLC ≠ Production: DOWNING WELL SERVICE, INC. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: ACORN OIL & GAS LLC ≠ Permit: ARENDALE & LOWE
Resolved via: production → DOWNING WELL SERVICE, INC.
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 690 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP OF CRETACEOUS | 3,050 ft | -2,360 ft |
| TOP OF OLMOS (Olmos) | 4,088 ft | -3,398 ft |
| TOP OF SAN MIGUEL (San Miguel) | 4,870 ft | -4,180 ft |
| TOP OF DOS ARROYOS SD. | 5,024 ft | -4,334 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 |
|---|---|
| 5,025–5,041 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,397 ft | 640 sx |
| 4.5" | 5,186 ft | 920 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record · 2 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
- 5,300 ft
- Drill Type
- Vertical
- County
- ZAVALA
- District
- 1
- Operator
- ACORN OIL & GAS LLC
- Completed
- 1986-03-01
Operator
- Name
- ACORN OIL & GAS, LLC
- Location
- IRAAN
- P-5 Status
- Active (filed 2025-12-17)
- Cum Oil (all leases)
- 39,128 bbl
- Cum Gas (all leases)
- 1,350 mcf
- Activities
- OPRS/O