42-181-30151
BIG MINERAL CREEK/STRAWN I/UNIT
GRAYSON County · District 9 · VENOCO INC. · BIG MINERAL CREEK (STRAWN)
Permits
2
Max Depth
5,300 ft
First Permit
1988-09-27
Latest Activity
1988-09-27
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-10-10
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
1,500 psi
Injection Interval
3,400–3,510 ft
Injected (12mo)
—
Permitted Volume
1,000 bbl/d
Max Pressure
2,400 psi
Injection Interval
4,945–5,100 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)
CSV| Formation | Top Depth (MD) |
|---|---|
| STRAWN I (Strawn) | 3,408 ft |
| STRAWN II (Strawn) | 3,572 ft |
| BARNES | 4,944 ft |
| S SAND | 5,170 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗
Perforations (6)
| Interval | Type |
|---|---|
| 3,412–3,496 ft | Perforated |
| 4,947–4,953 ft | Perforated |
| 4,947–5,095 ft | Perforated |
| 5,002–5,008 ft | Perforated |
| 5,080–5,095 ft | Perforated |
| 5,119–5,166 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 410 ft | 275 sx |
| 5.5" | 5,300 ft | 500 sx |
Permit History (2)
Applications (2)
Records & Logs
8 completion filings on record · 1 with log images at RRC.
+2 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
- 451W
- Max Depth
- 5,300 ft
- Drill Type
- Vertical
- County
- GRAYSON
- District
- 9
- Operator
- VENOCO INC.
- Completed
- 1988-10-10
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