42-181-01850
Final CompletionBIG MINERAL CREEK/STRAWN I/UNIT
GRAYSON County · District 9 · VENOCO INC. · BIG MINERAL CREEK (STRAWN)
Permits
1
Max Depth
5,381 ft
First Permit
1988-05-12
Latest Activity
1988-05-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-05-24
Shut-In
—
Plugged
2023-06-28
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
2,500 psi
Injection Interval
5,021–5,255 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 (2) Elevation 631 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN I (Strawn) | 3,460 ft | -2,829 ft |
| STRAWN II (Strawn) | 3,608 ft | -2,977 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 (10)
| Interval | Type |
|---|---|
| 3,461–3,473 ft | Perforated |
| 3,461–3,473 ft | Open hole |
| 3,479–3,538 ft | Open hole |
| 3,538–3,470 ft | Open hole |
| 3,538–3,479 ft | Open hole |
| 3,538–3,547 ft | Perforated |
| 3,575–3,579 ft | Open hole |
| 5,022–5,155 ft | Perforated |
| 5,022–5,233 ft | Perforated |
| 5,125–5,155 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 433 ft | 235 sx |
| 10.75" | 433 ft | — |
| 2.375" | 4,877 ft | — |
| 5.5" | 5,250 ft | 475 sx |
| 5.5" | 5,350 ft | 475 sx |
| 5.5" | 5,350 ft | — |
Permit History (1)
Applications (1)
Records & Logs
12 completion filings on record · 1 with log images at RRC.
+6 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
- 443
- Max Depth
- 5,381 ft
- Drill Type
- Vertical
- County
- GRAYSON
- District
- 9
- Operator
- VENOCO INC.
- Completed
- 1988-05-24
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