42-181-01692
BIG MINERAL CREEK (UV SAND) UNIT
GRAYSON County · District 9 · FLINTLOCK EXPLORATION LLC · BIG MINERAL CREEK (UV SAND UNIT)
Permits
1
Max Depth
7,550 ft
First Permit
1981-03-03
Latest Activity
1981-03-03
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1983-05-03
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: FLINTLOCK EXPLORATION LLC ≠ Permit: SHELL OIL COMPANY
Resolved via: production → FLINTLOCK EXPLORATION, 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
Injection / Disposal
Permitted Volume
3,500 bbl/d
Max Pressure
2,381 psi
Injection Interval
6,497–7,355 ft
Injected (12mo)
13,465 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-09-01)
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 624 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN | 3,551 ft | -2,927 ft |
| BARNES | 5,235 ft | -4,611 ft |
| U SAND | 6,493 ft | -5,869 ft |
| V SAND | 6,965 ft | -6,341 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 (4)
| Interval | Type |
|---|---|
| 3,551–3,728 ft | Perforated |
| 6,497–7,355 ft | Perforated |
| 7,197–7,374 ft | Perforated |
| 7,289–7,355 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 408 ft | 350 sx |
| 10.75" | 408 ft | 350 sx |
| 5.5" | 7,456 ft | 1,000 sx |
Permit History (1)
Applications (1)
Records & Logs
9 completion filings on record.
+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
- 436
- Max Depth
- 7,550 ft
- Drill Type
- Vertical
- County
- GRAYSON
- District
- 9
- Operator
- FLINTLOCK EXPLORATION LLC
- Completed
- 1983-05-03
Operator
- Location
- FRISCO
- P-5 Status
- Active (filed 2026-03-25)
- Cum Oil (all leases)
- 58,350 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O