42-103-33993
PRODUCINGBLOCK 31 UNIT
CRANE County · District 8 · OXY USA EOR LLC · BLOCK 31 (DEVONIAN)
Permits
1
Max Depth
9,150 ft
First Permit
1989-10-24
Latest Activity
1989-10-24
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1990-09-12
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 2,530 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BARNETT SHALE (Barnett) | 7,395 ft | -4,865 ft |
| MISS LIME (Mississippian) | 7,790 ft | -5,260 ft |
| WOODFORD SHALE (Woodford) | 7,820 ft | -5,290 ft |
| DEVONIAN | 8,100 ft | -5,570 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 (8)
| Interval | Type |
|---|---|
| 8,488–8,620 ft | Perforated |
| 8,672–8,684 ft | Perforated |
| 8,688–8,715 ft | Perforated |
| 8,722–8,742 ft | Perforated |
| 8,757–8,762 ft | Perforated |
| 8,768–8,838 ft | Perforated |
| 8,893–8,903 ft | Perforated |
| 8,966–8,994 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 721 ft | 575 sx |
| 8.625" | 2,533 ft | 1,250 sx |
| 5.5" | 9,070 ft | 1,350 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- C 5C
- Max Depth
- 9,150 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- OXY USA EOR LLC
- Completed
- 1990-09-12
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