42-383-00387
Final CompletionUNIVERSITY
REAGAN County · District 7 · APACHE CORPORATION · BIG LAKE (ELLENBURGER)
Permits
1
Max Depth
8,575 ft
First Permit
1990-05-04
Latest Activity
1990-05-04
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
1998-08-03
EWA / Permit operator mismatch
Scheduling: APACHE CORPORATION ≠ Permit: MARATHON OIL COMPANY
Resolved via: scheduling → APACHE CORPORATION
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
2025-03
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (7) Elevation 2,678 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SPRABERRY (Spraberry) | 5,462 ft | -2,784 ft |
| SPRABERRY "A" (Spraberry) | 5,967 ft | -3,289 ft |
| SPRABERRY A (Spraberry) | 5,967 ft | -3,289 ft |
| LOWER SPRABERRY (Spraberry) | 6,248 ft | -3,570 ft |
| DEAN | 6,702 ft | -4,024 ft |
| WOLFCAMP | 6,862 ft | -4,184 ft |
| ELLENBURGER | 8,520 ft | -5,842 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 |
|---|---|
| 8,531–8,575 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 22" | 60 ft | 100 sx |
| 10.75" | 2,844 ft | 2,000 sx |
| 7.625" | 8,296 ft | 1,200 sx |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 12C
- Max Depth
- 8,575 ft
- Drill Type
- Vertical
- County
- REAGAN
- District
- 7
- Operator
- APACHE CORPORATION
Operator
- Name
- APC OPER PARTNERSHIP
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-12-03)
- Cum Oil (all leases)
- 615,928,793 bbl
- Cum Gas (all leases)
- 2,702,742,169 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 9,664