42-103-33211
Final CompletionBLOCK 31 UNIT
CRANE County · District 8 · OXY USA EOR LLC · BLOCK 31 (DEVONIAN)
Permits
1
Max Depth
9,175 ft
First Permit
1983-06-23
Latest Activity
1983-06-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1983-08-06
Shut-In
—
Plugged
2021-06-04
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: ARCO OIL & GAS CO.
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
4,000 mcf/d
Max Pressure
—
Injection Interval
8,680–8,888 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2021-06-01)
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 (4) Elevation 2,580 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 3,051 ft | -471 ft |
| PENN DETRITAL (Pennsylvanian) | 7,302 ft | -4,722 ft |
| BARNETT | 7,844 ft | -5,264 ft |
| DEVONIAN | 8,664 ft | -6,084 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 |
|---|---|
| 8,680–8,888 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,650 ft | 900 sx |
| 5.5" | 9,175 ft | 2,050 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- N6N
- Max Depth
- 9,175 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- OXY USA EOR LLC
- Completed
- 1983-08-06
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