42-165-33746
PRODUCINGCENTRAL 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
1987-09-10
Latest Activity
1987-09-10
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1987-12-18
Shut-In
—
Plugged
—
P-5 Org Status: Active
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 WESTERN E&P INC.
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
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 (6) Elevation 3,315 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,748 ft | +1,567 ft |
| YATES | 2,827 ft | +488 ft |
| SEVEN RIVERS | 3,047 ft | +268 ft |
| SAN ANDRES | 4,377 ft | -1,062 ft |
| UPPER CLEARFORK (Clear Fork) | 6,322 ft | -3,007 ft |
| LOWER CLEARFORK (Clear Fork) | 7,081 ft | -3,766 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 (3)
| Interval | Type |
|---|---|
| 5,833–6,274 ft | Perforated |
| 6,382–6,694 ft | Perforated |
| 6,864–7,166 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 40 ft | — |
| 13.375" | 336 ft | 375 sx |
| 8.625" | 3,200 ft | 1,550 sx |
| 5.5" | 7,250 ft | 1,950 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 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
- 1128
- Max Depth
- 7,200 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN EOR LLC
- Completed
- 1987-12-18
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