42-103-33550
Final CompletionBLOCK 31 UNIT
CRANE County · District 8 · OXY USA EOR LLC · BLOCK 31 (DEVONIAN)
Permits
2
Max Depth
9,200 ft
First Permit
1984-09-24
Latest Activity
1999-11-16
Lifespan
15 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2009-02-23
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: ARCO PERMIAN
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 (6) Elevation 2,573 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BARNETT | 7,683 ft | -5,110 ft |
| BARNETT | 7,685 ft | -5,112 ft |
| WOODFORD | 8,033 ft | -5,460 ft |
| WOODFORD | 8,039 ft | -5,466 ft |
| DEVONIAN 31 (Devonian) | 8,219 ft | -5,646 ft |
| DEVONIAN | 8,243 ft | -5,670 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 (12)
| Interval | Type |
|---|---|
| 8,278–8,376 ft | Perforated |
| 8,278–8,992 ft | Perforated |
| 8,278–9,033 ft | Perforated |
| 8,295–8,340 ft | Perforated |
| 8,575–8,712 ft | Perforated |
| 8,700–8,787 ft | Perforated |
| 8,800–8,934 ft | Perforated |
| 8,902–8,914 ft | Perforated |
| 8,945–8,965 ft | Perforated |
| 8,950–9,015 ft | Perforated |
| 8,990–8,992 ft | Perforated |
| 9,024–9,033 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 3,635 ft | 1,500 sx |
| 8.625" | 3,638 ft | 1,500 sx |
| 8.625" | 3,638 ft | 1,500 sx |
| 5.5" | 9,100 ft | 1,500 sx |
Permit History (2)
Applications (2)
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.
No GPS coordinates yet
Well Details
- Well Number
- A15 A
- Max Depth
- 9,200 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- OXY USA EOR LLC
- Completed
- 2009-02-23
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