42-165-31854
Final CompletionCENTRAL ROBERTSON CLEARFORK UNIT
GAINES County · District 8 · OCCIDENTAL PERMIAN EOR LLC · ROBERTSON N. (CLEAR FORK 7100)
Permits
1
Max Depth
7,200 ft
First Permit
1980-08-22
Latest Activity
1980-08-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1981-01-13
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
1,000 bbl/d
Max Pressure
2,000 psi
Injection Interval
5,816–7,200 ft
Injected (12mo)
45,597 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 (12) Elevation 3,317 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,758 ft | +1,559 ft |
| YATES | 2,825 ft | +492 ft |
| QUEEN | 3,345 ft | -28 ft |
| GRAYBURG | 4,083 ft | -766 ft |
| SAN ANDRES | 4,377 ft | -1,060 ft |
| GLORIETA | 5,782 ft | -2,465 ft |
| UPPER CLEARFORK (Clear Fork) | 6,341 ft | -3,024 ft |
| UPPER CLEARFORK (Clear Fork) | 6,358 ft | -3,041 ft |
| TUBB | 6,959 ft | -3,642 ft |
| TUBB | 6,984 ft | -3,667 ft |
| LOWER CLEARFORK (Clear Fork) | 7,070 ft | -3,753 ft |
| LOWER CLEARFORK (Clear Fork) | 7,071 ft | -3,754 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 |
|---|---|
| 5,816–7,162 ft | Perforated |
| 5,940–7,062 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 40 ft | 200 sx |
| 8.625" | 1,800 ft | 850 sx |
| 8.625" | 1,824 ft | 850 sx |
| 2.875" | 7,093 ft | — |
| 5.5" | 7,193 ft | 1,100 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
- 31
- Max Depth
- 7,200 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN EOR LLC
- Completed
- 1981-01-13
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