42-163-32456
SHUT INBIG FOOT OLMOS B SAND UNIT
FRIO County · District 1 · MAVERICK ENERGY GROUP INC. · BIG FOOT
Permits
1
Max Depth
4,000 ft
First Permit
1985-11-25
Latest Activity
1985-11-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1985-12-10
Shut-In
—
Plugged
—
P-5 Org Status: Delinquent
EWA / Permit operator mismatch
Scheduling: MAVERICK ENERGY GROUP INC. ≠ Permit: SHELL WESTERN E&P INC.
Resolved via: scheduling → MAVERICK ENERGY GROUP 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 (5) Elevation 643 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WILCOX | 1,450 ft | -807 ft |
| MIDWAY | 2,340 ft | -1,697 ft |
| NAVARRO | 2,800 ft | -2,157 ft |
| OLMOS B (Olmos) | 3,452 ft | -2,809 ft |
| OLMOS C (Olmos) | 3,520 ft | -2,877 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 |
|---|---|
| 3,452–3,478 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 175 ft | 170 sx |
| 5.5" | 3,665 ft | 325 sx |
Permit History (1)
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
- 409A
- Max Depth
- 4,000 ft
- Drill Type
- Vertical
- County
- FRIO
- District
- 1
- Operator
- MAVERICK ENERGY GROUP INC.
- Completed
- 1985-12-10
Operator
- Location
- TULSA
- P-5 Status
- Delinquent (filed 2022-02-18)
- Cum Oil (all leases)
- 781,142 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 134