42-135-32157
CARLINVILLE NATIONAL BANK
ECTOR County · District 8 · APACHE CORPORATION · YARBROUGH & ALLEN (ELLENBURGER)
Permits
1
Max Depth
8,920 ft
First Permit
1978-08-29
Latest Activity
1978-08-29
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: APACHE CORPORATION ≠ Production: FORMENTERA OPERATIONS LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: APACHE CORPORATION ≠ Permit: AMERADA HESS CORPORATION
Resolved via: production → FORMENTERA OPERATIONS LLC
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 2,823 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MISSISSIPPI (Mississippian) | 7,570 ft | -4,747 ft |
| FUSSELMAN | 8,765 ft | -5,942 ft |
| WADDELL | 10,075 ft | -7,252 ft |
| ELLENBURGER | 10,300 ft | -7,477 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 (4)
| Interval | Type |
|---|---|
| 8,135–8,170 ft | Perforated |
| 8,249–8,366 ft | Perforated |
| 8,397–8,444 ft | Perforated |
| 8,800–8,808 ft | Perforated |
Casing (7)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 40 ft | — |
| 13.375" | 657 ft | 750 sx |
| 13.375" | 704 ft | 750 sx |
| 9.625" | 3,414 ft | 1,220 sx |
| 2.875" | 8,097 ft | — |
| 5.5" | 10,454 ft | 1,500 sx |
| 2.875" | — | — |
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
- 12
- Max Depth
- 8,920 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- 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
- 9,680