42-165-31577
Final CompletionROBERTSON (SAN ANDRES) UNIT
GAINES County · District 8 · OCCIDENTAL PERMIAN EOR LLC · ROBERTSON N. (SAN ANDRES)
Permits
1
Max Depth
4,780 ft
First Permit
1979-03-07
Latest Activity
1979-03-07
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1979-04-24
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: OCCIDENTAL PERMIAN EOR LLC ≠ Production: OCCIDENTAL PERMIAN LTD. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: OCCIDENTAL PERMIAN EOR LLC ≠ Permit: SHELL OIL COMPANY
Resolved via: production → OCCIDENTAL PERMIAN LTD.
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
500 bbl/d
Max Pressure
1,650 psi
Injection Interval
4,500–4,800 ft
Injected (12mo)
47,142 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-10-01)
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 (7) Elevation 3,330 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,862 ft | +468 ft |
| YATES | 2,864 ft | +466 ft |
| SEVEN RIVERS | 3,096 ft | +234 ft |
| QUEEN | 3,393 ft | -63 ft |
| GRAYBURG | 4,122 ft | -792 ft |
| SAN ANDRES | 4,406 ft | -1,076 ft |
| SAN ANDRES | 4,410 ft | -1,080 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 (2)
| Interval | Type |
|---|---|
| 4,604–4,705 ft | Perforated |
| 4,606–4,705 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 45 ft | — |
| 8.625" | 1,835 ft | 900 sx |
| 2.875" | 4,652 ft | — |
| 5.5" | 4,785 ft | 1,655 sx |
| 5.5" | — | 980 sx |
Permit History (1)
Applications (1)
Records & Logs
6 completion filings on record.
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
- 27
- Max Depth
- 4,780 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN EOR LLC
- Completed
- 1979-04-24
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-01-21)
- Cum Oil (all leases)
- — bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/G, OPRS/O