42-105-36079
PRODUCINGMCDONALD 12
CROCKETT County · District 7 · EXTEX OPERATING COMPANY · OZONA NE. (CANYON SAND)
Permits
1
Max Depth
6,400 ft
First Permit
1992-05-01
Latest Activity
1992-05-01
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1992-07-23
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: PARKER & PARSLEY DEVELOPMENT CO.
Resolved via: production → EXTEX OPERATING COMPANY
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 (5) Elevation 2,282 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP OF CLEARFORK (Clear Fork) | 2,822 ft | -540 ft |
| TOP OF UPPER CANYON (Canyon) | 5,968 ft | -3,686 ft |
| BASE OF UPPER CANYON (Canyon) | 6,000 ft | -3,718 ft |
| TOP OF LOWER CANYON (Canyon) | 6,066 ft | -3,784 ft |
| BASE OF LOWER CANYON (Canyon) | 6,100 ft | -3,818 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 |
|---|---|
| 6,066–6,100 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,287 ft | 465 sx |
| 4.5" | 6,226 ft | 500 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 4
- Max Depth
- 6,400 ft
- Drill Type
- Vertical
- County
- CROCKETT
- District
- 7
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 1992-07-23
Operator
- Name
- EXTEX OPER CO
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-01-07)
- Cum Oil (all leases)
- 5,887,486 bbl
- Cum Gas (all leases)
- 10,031,045 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 117