42-103-33212
Final CompletionBLOCK 31 UNIT
CRANE County · District 8 · OXY USA EOR LLC · BLOCK 31 (DEVONIAN)
Permits
3
Max Depth
9,100 ft
First Permit
1983-06-23
Latest Activity
2019-04-05
Lifespan
36 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1983-09-21
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: OXY USA EOR LLC ≠ Production: OXY USA INC. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: OXY USA EOR LLC ≠ Permit: OXY USA INC.
Resolved via: production → OXY USA INC.
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
4,500 mcf/d
Max Pressure
—
Injection Interval
8,250–8,940 ft
Injected (12mo)
—
Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog
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 (4) Elevation 2,532 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GLORIETA | 4,132 ft | -1,600 ft |
| PENN (Pennsylvanian) | 7,074 ft | -4,542 ft |
| BLOCK 31 (ATOKA) | 7,518 ft | -4,986 ft |
| DEVONIAN | 8,206 ft | -5,674 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (11)
| Interval | Type |
|---|---|
| 7,518–7,524 ft | Perforated |
| 7,518–7,626 ft | Perforated |
| 7,527–7,530 ft | Perforated |
| 7,533–7,536 ft | Perforated |
| 7,555–7,558 ft | Perforated |
| 7,562–7,568 ft | Perforated |
| 7,572–7,585 ft | Perforated |
| 7,587–7,595 ft | Perforated |
| 7,614–7,626 ft | Perforated |
| 8,309–8,840 ft | Perforated |
| 8,582–8,840 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 3,638 ft | 1,500 sx |
| 8.625" | 3,638 ft | 1,500 sx |
| 2.375" | 8,112 ft | — |
| 5.5" | 9,100 ft | 1,600 sx |
| 5.5" | 9,100 ft | 1,600 sx |
Permit History (3)
Applications (3)
Records & Logs
5 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.
Well Details
- Well Number
- N 6
- Max Depth
- 9,100 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- OXY USA EOR LLC
- Completed
- 1983-09-21
Operator
- Name
- OXY USA EOR, LLC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-12-22)
- Cum Oil (all leases)
- — bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/G, OPRS/O