42-383-32914
Final CompletionHUGHES ZULETTE
REAGAN County · District 7 · COX JOHN L. · RED HOUSE (ELLENBURGER)
Permits
3
Max Depth
10,700 ft
First Permit
1984-01-10
Latest Activity
1990-10-12
Lifespan
7 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-04-25
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: COX JOHN L. ≠ Production: PIONEER NATURAL RES. USA, INC. (reported 2023-01)
EWA / Permit operator mismatch
Scheduling: COX JOHN L. ≠ Permit: EXXON CORP.
Resolved via: scheduling → COX JOHN L.
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
2026-05
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 (16) Elevation 2,551 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CRETACEOUS | 450 ft | +2,101 ft |
| UPPER SPRABERRY (Spraberry) | 5,700 ft | -3,149 ft |
| LOWER SPRABERRY (Spraberry) | 6,310 ft | -3,759 ft |
| DEAN | 7,130 ft | -4,579 ft |
| CISCO | 9,171 ft | -6,620 ft |
| CANYON | 9,244 ft | -6,693 ft |
| STRAWN | 9,369 ft | -6,818 ft |
| BEND | 9,496 ft | -6,945 ft |
| CHESTER | 9,600 ft | -7,049 ft |
| WOODFORD | 9,710 ft | -7,159 ft |
| DEVONIAN | 9,728 ft | -7,177 ft |
| SILURIAN (Silurian (undifferentiated)) | 9,994 ft | -7,443 ft |
| FUSSELMAN | 10,185 ft | -7,634 ft |
| SYLVAN | 10,283 ft | -7,732 ft |
| MONTOYA | 10,342 ft | -7,791 ft |
| ELLENBURGER | 10,356 ft | -7,805 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 (5)
| Interval | Type |
|---|---|
| 5,720–5,739 ft | Perforated |
| 6,323–6,699 ft | Perforated |
| 7,153–7,285 ft | Perforated |
| 10,342–10,523 ft | Perforated |
| 10,526–10,574 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 465 ft | 525 sx |
| 10.75" | 2,925 ft | 950 sx |
| 5.5" | 10,647 ft | 1,900 sx |
Permit History (3)
Applications (4)
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
- 9
- Max Depth
- 10,700 ft
- Drill Type
- Vertical
- County
- REAGAN
- District
- 7
- Operator
- COX JOHN L.
- Completed
- 1984-04-25
Operator
- Name
- COX, JOHN L
- Location
- MIDLAND
- P-5 Status
- Inactive (filed 2003-03-21)
- Cum Oil (all leases)
- 15,795,687 bbl
- Cum Gas (all leases)
- 2,577,420 mcf
- Total Permits
- 1,123