42-103-33439
PRODUCINGBLOCK 31 UNIT
CRANE County · District 8 · OXY USA EOR LLC · BLOCK 31 (DEVONIAN)
Permits
1
Max Depth
9,370 ft
First Permit
1984-03-23
Latest Activity
1984-03-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1984-05-30
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
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 2,569 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 2,920 ft | -351 ft |
| ATOKA | 7,664 ft | -5,095 ft |
| DEVONIAN | 8,153 ft | -5,584 ft |
| MIDDLE DEVONIAN (Devonian) | 8,662 ft | -6,093 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 |
|---|---|
| 8,190–8,839 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 3,610 ft | 2,200 sx |
| 5.034" | 9,170 ft | 1,500 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- Y10
- Max Depth
- 9,370 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- OXY USA EOR LLC
- Completed
- 1984-05-30
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