42-181-30672
Final CompletionBIG MINERAL CREEK -S- SAND UNIT
GRAYSON County · District 9 · VENOCO INC. · BIG MINERAL CREEK (S SDSTN.)
Permits
3
Max Depth
6,108 ft
First Permit
1979-04-17
Latest Activity
1988-11-28
Lifespan
10 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1989-03-28
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
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 (10) Elevation 626 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN | 3,500 ft | -2,874 ft |
| BARNES SAND | 5,160 ft | -4,534 ft |
| BAKER SAND | — | — |
| BRUHLMEYER | — | — |
| CARRAWAY SAND | — | — |
| COVEY | — | — |
| DAVIS SAND | — | — |
| HANDY SAND | — | — |
| HUFF SAND | — | — |
| PALUXY | — | — |
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 (6)
| Interval | Type |
|---|---|
| 5,026–5,038 ft | Perforated |
| 5,026–5,940 ft | Perforated |
| 5,163–5,171 ft | Perforated |
| 5,506–5,543 ft | Perforated |
| 5,506–5,847 ft | Perforated |
| 5,829–5,848 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,611 ft | 800 sx |
| 8.625" | 1,611 ft | 800 sx |
| 2.875" | 5,212 ft | — |
| 2.875" | 5,920 ft | — |
| 5.5" | 6,100 ft | 860 sx |
| 5.5" | 6,100 ft | 860 sx |
Permit History (3)
Applications (3)
Records & Logs
6 completion filings on record · 2 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
- 341
- Max Depth
- 6,108 ft
- Drill Type
- Vertical
- County
- GRAYSON
- District
- 9
- Operator
- VENOCO INC.
- Completed
- 1989-03-28
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