42-181-01819
Final CompletionBIG MINERAL CREEK/STRAWN I/UNIT
GRAYSON County · District 9 · VENOCO INC. · BIG MINERAL CREEK (STRAWN)
Permits
1
Max Depth
5,258 ft
First Permit
1988-09-13
Latest Activity
1988-09-13
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1992-11-13
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: VENOCO INC. ≠ Production: FLINTLOCK EXPLORATION, LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: VENOCO INC. ≠ Permit: SHELL WESTERN E&P INC.
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
1,000 bbl/d
Max Pressure
2,400 psi
Injection Interval
4,965–5,200 ft
Injected (12mo)
—
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 661 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN I (Strawn) | 3,410 ft | -2,749 ft |
| STRAWN II (Strawn) | 3,573 ft | -2,912 ft |
| BARNES | 4,951 ft | -4,290 ft |
| S SAND | 5,199 ft | -4,538 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 |
|---|---|
| 3,449–3,517 ft | Perforated |
| 4,806–4,810 ft | Perforated |
| 4,831–4,834 ft | Perforated |
| 4,838–4,846 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 402 ft | 200 sx |
| 5.5" | 5,250 ft | 725 sx |
Permit History (1)
Applications (1)
Records & Logs
6 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
- 446
- Max Depth
- 5,258 ft
- Drill Type
- Vertical
- County
- GRAYSON
- District
- 9
- Operator
- VENOCO INC.
- Completed
- 1992-11-13
Operator
- Name
- VENOCO, INC
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2009-09-03)
- Cum Oil (all leases)
- 2,250,265 bbl
- Cum Gas (all leases)
- 314,416 mcf
- Total Permits
- 15