42-371-35568
Final CompletionFORT STOCKTON UNIT
PECOS County · District 8 · CLIFFWOOD PRODUCTION CO. · FORT STOCKTON (YATES LOWER)
Permits
1
Max Depth
3,600 ft
First Permit
1985-07-29
Latest Activity
1985-07-29
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-10-17
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: CLIFFWOOD PRODUCTION CO. ≠ Production: DOUBLE BARREL OIL LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: CLIFFWOOD PRODUCTION CO. ≠ Permit: EXXON CORP.
Resolved via: production → DOUBLE BARREL OIL 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 (3) Elevation 2,828 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER YATES (Yates) | 2,812 ft | +16 ft |
| LOWER YATES (Yates) | 3,078 ft | -250 ft |
| CAPITAN REEF (Capitan) | 3,321 ft | -493 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 (1)
| Interval | Type |
|---|---|
| 3,081–3,320 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 548 ft | 325 sx |
| 4.5" | 3,578 ft | 1,130 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record · 2 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 311
- Max Depth
- 3,600 ft
- Drill Type
- Vertical
- County
- PECOS
- District
- 8
- Operator
- CLIFFWOOD PRODUCTION CO.
- Completed
- 1985-10-17
Operator
- Name
- CLIFFWOOD PROD CO
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2000-06-06)
- Cum Oil (all leases)
- 1,987,228 bbl
- Cum Gas (all leases)
- 12,311,014 mcf
- Total Permits
- 24