42-135-35566
SHUT IN DirectionalGIST -B-
ECTOR County · District 8 · AGHORN OPERATING INC. · FOSTER
Permits
1
Max Depth
4,500 ft
First Permit
1987-05-13
Latest Activity
1987-05-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1987-09-21
Shut-In
—
Plugged
—
P-5 Org Status: Delinquent
EWA / Permit operator mismatch
Scheduling: AGHORN OPERATING INC. ≠ Permit: KERR-MCGEE CORPORATION
Resolved via: production → AGHORN OPERATING, 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
Injection / Disposal
ECTOR County disposal market →Permitted Volume
1,000 bbl/d
Max Pressure
1,000 psi
Injection Interval
4,308–4,550 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2025-10-01)
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 (8) Elevation 2,948 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP ANHYDRITE | 1,747 ft | +1,201 ft |
| RSTLR | 1,764 ft | +1,184 ft |
| COWDEN ANHYDRITE | 2,641 ft | +307 ft |
| YATES | 2,912 ft | +36 ft |
| YATES | 2,916 ft | +32 ft |
| GRAYBURG | 4,205 ft | -1,257 ft |
| GRAYBURG | 4,234 ft | -1,286 ft |
| FOSTER PAY | 4,427 ft | -1,479 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 (3)
| Interval | Type |
|---|---|
| 4,456–4,476 ft | Perforated |
| 4,456–4,512 ft | Perforated |
| 4,486–4,512 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 351 ft | 210 sx |
| 5.5" | 4,550 ft | 1,275 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
- 521
- Max Depth
- 4,500 ft
- Drill Type
- Directional
- County
- ECTOR
- District
- 8
- Operator
- AGHORN OPERATING INC.
- Completed
- 1987-09-21
Operator
- Name
- AGHORN OPER, INC
- Location
- ODESSA
- P-5 Status
- Active (filed 2025-08-06)
- Cum Oil (all leases)
- 12,266,116 bbl
- Cum Gas (all leases)
- 558,201 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 5